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kaszal
26-06-2010, 10:22 AM
links removed

kaszal
26-06-2010, 10:31 AM
Video coming soon...

Modifications
front gearbox screws replaced with 4 bolts
front belt adjuster removed and spacers inserted behind gearbox brackets
screws for rear wishbone brackets replaced with single bolt
undertray and belt cover sealed with draught-excluder tape
gearbox side plates have been satin chrome plated
diff washers sanded with 600 wet and dry
new disc springs used in )()()( arrangement (tip from Bormac)
thrust bearing sealed with foam gasket
aerial mounted mid-chassis

Special parts
Fibre-Lyte carbon-fibre chassis and custom battery tray (idea from Jeroen)
Bosscat slipper clutch and rear pro-diff
3mm ceramic diff balls
aluminium eccentric bearing housings
aluminium rear transmission housing
MMS machined nylon front diff
MMS nylon Z bracket
Core RC titanium screws
Lunsford titanium turnbuckles and ball studs
Bosscat rear hub carriers, wishbones and 1/8 hingepins
Bosscat H-bracket (sanded to fit)
rear anti-roll bar
crash-back o-rings 0.862 0.103
TRF 501X aeration dampers
JC Racing Products wheels and Traxxas Anaconda tyres
Blue Bird high speed servo
Novak GTB and Velociti 5.5 motor
6.6v 4000mAh Li-Fe 35C battery
Parma Cat bodyshell painted with Fastrax sapphire colour-change paint

bryn
26-06-2010, 09:30 PM
that is ace kaszal. looks brilliant.

peetbee
26-06-2010, 10:34 PM
:drool:

dodgydiy
26-06-2010, 10:57 PM
looks gorgeous, that should turn a few heads when it blows away the modern cars

ian h
29-06-2010, 06:13 PM
Love the rebuild, just picked up a procat and look forward to doing something with it once the summer racing season is over.

93works
29-06-2010, 11:32 PM
now thats a real schumacher vintage rebuild. should go like the clappers.

kaszal
30-06-2010, 08:27 AM
Thanks a lot fellas. I need help finding somewhere to race this thing. I was thinking of Stotfold because it's the closest to where I live in NW London. Any other suggestions? I'm going to stick with the 5.5 and Li-Fe for now because the Li-Fe 6.6v doesn't give the same punch as Li-Po 7.4v. It's been about 17 years since I raced at a club. I need help setting up the car too. I'm using Tamiya 501X shocks No 3 piston 45w oil front and No 4 piston 30w oil rear. Using the medium "yellow" springs. Does that sound about right? Any advice appreciated.

jeroen206
30-06-2010, 10:30 AM
Fantastic looking ProCat you got there Kaszal.

kaszal
05-07-2010, 08:16 PM
Cheers! Going to give it a try at Stotfold on Sunday.

Need to ask some more Procat advice from you Vintage Bods...

1. front one-way driveshafts or not?

2. original front hub carriers or Bosscat ones?

Northy
05-07-2010, 09:47 PM
Front 1 ways give stupid amounts of steering, fun indoors but not sure about at Stotfold!

Not a lot in the hubs, don't thing BC are any stronger, just lighter.

G

mattybucks
05-07-2010, 10:05 PM
I had some aluminum front hubs, however i'm not sure if you'd be able to get them anymore

kaszal
06-07-2010, 10:17 PM
I fitted the Bosscat hub carriers and changed the one way driveshafts. I checked and it makes the front end 21g lighter.

Ni-MH to Li-Fe battery - 140g reduction
Schumacher Aerodiscs to JC spokes - 13g reduction
Titanium screws, turnbuckles and studs - 26g reduction

Got to put some weight back on now to make it handle better.

kaszal
22-07-2010, 08:33 AM
I got a short video clip of my Procat at Stotfold.

http://www.youtube.com/watch?v=db9Tqg45ccE

isobarik
22-07-2010, 01:00 PM
Are you running restricted motors or are you holding back ???

is it hard to get the slipperclutch ????

I have 2 complete xls with little or no run time on them and i would like to have an slipper clutch on them obvious you got to have the drum diff in the rear but that is pretty easy to get ....

mvh Isobarik

kaszal
22-07-2010, 01:09 PM
No restrictions - I've got a Novak 5.5 in there. I'm holding back and also the Li-Fe 6.6v doesn't provide so much power. It's a Bosscat slipper and Bosscat rear pro-diff. Will you ever run your Cats? Any tips on set up?

DerbyDan
22-07-2010, 02:53 PM
Brilliant stuff Kaszal!

Stotfold MCC must be starting to get used to these old antiques turning up - I raced my Ali tubbed RC10 a couple of Wednesdays ago... its quite a 'ripply' surface which doesn't help our old cars with short wishbones etc.

I haven't raced off road for years so I was rather gingerly driving around.... but I did manage to scrape a win in the B final:) (there was only enough cars for an A & a B.... & there was only 5 cars in the B)

Hopefully at some point i'll get to see your car run :cool:

isobarik
23-07-2010, 07:53 PM
No restrictions - I've got a Novak 5.5 in there. I'm holding back and also the Li-Fe 6.6v doesn't provide so much power. It's a Bosscat slipper and Bosscat rear pro-diff. Will you ever run your Cats? Any tips on set up?

Nope i havent run my cats i got one in an trade and bought the other for 14
i hope i will run them in the future but then i will got to have 1 a slipper or 2 an layshaft not the original stuff with the diff in the spurgear or what the heck it is.

I havent run either one of my cat i did tested an procat with an 27 turn stock with a pinion for an 12 turn motor it was NOT fast ... back in the days ha ha ha ...

mvh Isobarik

kaszal
27-07-2010, 05:09 PM
Having run the Procat for 3 meetings, I've made a few more modifications...

moved out front shocks (had to remove roll bar)
Bosscat front hub carriers
standard driveshafts up front (no one-ways)
BRP orange drive belt plus extra spacers
longer rear suspension link
turned off drag brakes on ESC
Wasp ballraced steering and 3mm carbon fibre link

dirt shields from I&Q Tuning (less rebuilding shocks!)
Losi springs and cups
front oil 40w, piston 3, silver springs
rear oil 30w, piston 4, yellow springs

new HPI wing
sealed belt cover and undertray better
applied sponge tape to cushion undertray and shell
moved tray up by 2mm to hold battery more securely
strapped down capacitor properly

photos to follow...

kaszal
27-07-2010, 05:22 PM
links removed

kaszal
29-08-2010, 07:10 PM
The white draught excluder tape is useless at keeping the water out. I believe it's "open cell" foam. The water goes right through like a sponge. Anyone know what I could use that's thin and will seal out the water better? Thanks.

AndyG
29-08-2010, 08:26 PM
Lurvely pics. THING OF BEAUTY that.

Takes me right back! eee them were the days.

kaszal
30-08-2010, 04:10 PM
Thanks Andy! Glad you like my "custom" Procat.

Won my last round at Stotfold the other day... bit flukey.

Poured with rain... wet astro turf is lots of fun!

Here's the new shell by RCS...

http://i103.photobucket.com/albums/m134/kaszal/IMG_9720.jpg

DerbyDan
31-08-2010, 12:19 PM
Hey Kazsal - good to see you & the CAT on Sunday.... have you cleaned the car yet? It sure is a piece of art, looks lovely.... don't listen to Alex!:D

Was cool that you won your final.... I was rather pleased with second in 2wd!

kaszal
31-08-2010, 01:31 PM
Thanks Dan. Glad you like my "custom" Procat.

Well done in your 2wd final. I didn't win the final just the last/third round but the set up's definitely getting better.

The car's dried and cleaned but I need to make the undertray watertight. Got some irregular gaps to plug. Anyone tried silicone sealant?

SHY
31-08-2010, 02:26 PM
Amazing!!! :thumbsup:

kaszal
23-09-2010, 09:18 PM
I sealed the undertray and belt cover with single sided black foam tape, which is better than the white draft excluder. A belt hole punch is ideal for putting little holes in the tape for the screws to go through. I also cut out a u-shaped plastic washer so I could clamp the front gearbox tightly without worrying about the plastic belt cover splitting.

RW Racing made some stainless threaded bolts for me at a reasonable cost. I emailed some engineering companies and they wanted silly money e.g. 18 per bolt if I ordered 10 wtf! Neil at RW did a great job (thanks for the idea Chris)

Fibrelyte made some CSC strips that I designed. These clamp the undertray, again spreading the force so the plastic doesn't split. I'm always impressed with their flexibility and service. This part would be excellent for any vintage CAT runner. Contact Stephen at Fibrelyte if you want a set.

http://i103.photobucket.com/albums/m134/kaszal/IMG_0096.jpg

http://i103.photobucket.com/albums/m134/kaszal/IMG_0100.jpg

http://i103.photobucket.com/albums/m134/kaszal/IMG_0084.jpg

http://i103.photobucket.com/albums/m134/kaszal/IMG_0086.jpg

http://i103.photobucket.com/albums/m134/kaszal/IMG_0082.jpg

http://i103.photobucket.com/albums/m134/kaszal/IMG_0089.jpg

Carlos69
23-09-2010, 09:30 PM
Looks amazing Luke !.... :drool:
YGPM

BORMAC
24-09-2010, 10:21 AM
Luke you have seriously been doing your homework with this car and thought up many great idea's. I like them all!
Thankyou for sharing and taking the Procat up another notch. :thumbsup::thumbsup::thumbsup::thumbsup::thumbsup:

kaszal
24-09-2010, 02:51 PM
Thanks Jason :cool:

Can't wait to race it again.

Chris (Uzzi) suggested a couple adjustments...

http://i103.photobucket.com/albums/m134/kaszal/IMG_0103.jpg

kaszal
25-09-2010, 09:11 PM
My mate treated me to a new Orion Li-Fe battery. Nominal voltage is still 6.6v but it's 60C instead of 35C.

http://i103.photobucket.com/albums/m134/kaszal/IMG_9421.jpg

http://i103.photobucket.com/albums/m134/kaszal/IMG_9424.jpg

isobarik
22-10-2010, 01:51 PM
I just had a look at my other schumacher cat

http://proxy1.pixbox.se/arkivet/synligt_36/30650000-30659999/640x480/30659041.jpg?0

You maybe clearly see that its an LWB
XL is that when it doesent have the diff in front ??? since it hasent.
And what front susp is that ?? its wider then the rear and have an upperlink instead of the moulded upper wishbone.

mvh Isobarik

peetbee
22-10-2010, 03:51 PM
It just gets better and better!
I love your attention to detail
:thumbsup:

kaszal
28-10-2010, 09:37 AM
I'm racing the Procat and having a couple problems: the rear end bottoms out after jumps and the rear wishbone carrier bolt keeps getting bent. I don't want to raise the ride height too much so is it just a case of using smaller pistons and thicker oil? I'm racing on astro with jumps.

Also I compared the chassis flex to my mate's DB01-R... the Procat is very twisty. Just wondered if anyone had some tips to get these old cars handling better. Cheers.

kaszal
13-01-2011, 08:54 PM
Paint by Jon at RCS Graphic Worx.

Repro shell by Team Bluegroove.

http://i103.photobucket.com/albums/m134/kaszal/IMG_0117.jpg

brian s
13-01-2011, 11:05 PM
hi kazal, what belts are you running on the cat and who supplied them?.

kaszal
14-01-2011, 08:20 AM
Standard hi-torque belts in the rear (still available from Schumacher I think) and BRP (Bud's Racing Products) orange long belt (which I was lucky to get off eBay last year)

Luke

isobarik
14-01-2011, 11:09 AM
Luke do you have some more belts left ??? What pitch is it on the hi torque belts ?? And do you have some more ????

More alu stuff ???

mvh Isobarik

kaszal
14-01-2011, 11:36 AM
I don't think I have any aluminium parts left but I might have some belts. I beleive the pitch is MXL

Try buying here...

http://www.racing-cars.com/sp/category/Old_Cars_and_Parts/subcategory/Bosscat/templateid/12/searchbox7/Transmission.html

Gayo
14-01-2011, 04:07 PM
Paint by Jon at RCS Graphic Worx.

Repro shell by Team Bluegroove.

http://i103.photobucket.com/albums/m134/kaszal/IMG_0117.jpg
Fantastic!! :thumbsup::thumbsup::thumbsup::woot::woot:

isobarik
13-02-2011, 07:06 PM
Luke in the front where you use 4 bolts instead of the 8 screws that sits there normally are those 3mm bolts ???

finnaly i picked up he alu parts should be looking nice thanks for the stickers.
shall come in handy.

What do you use to stretch the belt ?? instead of the front bracket with 2 screws in it. Tried to move the gearbox around and shim it but it was really tight maybe i will dremel it.

let me know.


mvh Isobarik

kaszal
13-02-2011, 07:41 PM
Hi Henrik

Yes, they are M3 countersunk bolts (off eBay)

I use plastic spacers made from polycarbonate or bits of old chassis.

Look forward to seeing your CAT finished!

Arnefles
13-02-2011, 10:55 PM
Hello.

Where do you get the red/orange belt, is it for a Bosscat or another car?

Very nice car, I love it!

I have one I'd like to get "hot" ;-)

isobarik
14-02-2011, 09:18 AM
Shall get some bolts and plastic what i remember for an friend i shimmed the gearbox by turning it around and put plastic behind it where the upperdeck and the gearbox meet. but hey youre idea works too.

Shall get some nice titanium bolts.

Luke use the force...ha ha h couldnt resist
did you have some gearboxsides left ???? what about belts ???

mvh isobarik

kaszal
14-02-2011, 12:29 PM
I got the orange belt off eBay last year. It's made by Buds Racing Products. I think if you use an MMS front diff and the tensioning method shown the normal belt works fine. Just think twice before you put 7.4v and a 5.5T in it! I limit mine with a 6.4v pack.

Good luck with your rebuilds... may the force be with you

http://www.oople.com/forums/images/icons/icon6.gif

isobarik
14-02-2011, 03:38 PM
I got the orange belt off eBay last year. It's made by Buds Racing Products. I think if you use an MMS front diff and the tensioning method shown the normal belt works fine. Just think twice before you put 7.4v and a 5.5T in it! I limit mine with a 6.4v pack.

Good luck with your rebuilds... may the force be with you

http://www.oople.com/forums/images/icons/icon6.gif

5.5t i think the fastest i got is 16 brushed and an old nicad
how long are the bolts in front ??? i am at work and havent got the measurments with me.

mvh Isobarik

QuackingPlums
14-02-2011, 05:09 PM
how long are the bolts in front ??? i am at work and havent got the measurments with me.

mvh Isobarik

M3x40 fits nicely - I got mine from model fixings along with a shedload of UNC 4/40 hex button heads to replace the flat head self tappers that are used just about everywhere on old Schueys.

I have a spare set of side plates if Luke has run out and you're desperate - in original, original 'speed secrets' black and Luke's new copies. I went a bit crazy on them last year and probably won't need them all... :blush:

QuackingPlums
14-02-2011, 05:11 PM
Incidentally, didn't MMS also make an orange belt? I had one in my old ProCat BITD but dont remember having the Bud's Racing Products brand - I'm convinced it was MMS as I got it with my diffs!

Arnefles
14-02-2011, 10:04 PM
I got the orange belt off eBay last year. It's made by Buds Racing Products. I think if you use an MMS front diff and the tensioning method shown the normal belt works fine. Just think twice before you put 7.4v and a 5.5T in it! I limit mine with a 6.4v pack.

Good luck with your rebuilds... may the force be with you

http://www.oople.com/forums/images/icons/icon6.gif
Never heard of Buds racing and MMS, any idea where to get it? Only ebay, maby hard to find?

Thanks man, will be great to run the Procat again! First I will try retro with an 12t brushed motor and maby later a brushless one;-) Ho ho.

I have a Yokomo YZ-10 works-95 I'd like to drive with brusless also:-)

Belsten
14-02-2011, 10:46 PM
yup it was wasp orange belts I think another company also did an organge belt, MMS did loads of diffferent bits for the cats, diffs, layshaft, ballraced steering, shock tower, L bracket etc
The diffs and layshaft were must haves IMO

Arnefles
15-02-2011, 09:52 AM
yup it was wasp orange belts I think another company also did an organge belt, MMS did loads of diffferent bits for the cats, diffs, layshaft, ballraced steering, shock tower, L bracket etc
The diffs and layshaft were must haves IMO

"Imo"-Don't understand?

Are the chassis you use the same length as the orginal procat-chassis and have you made the chassis yourself or bought it?

And are the rear diff the orginal or the same as you are using in the front?

Thanks! :-)

QuackingPlums
15-02-2011, 11:03 AM
IMO == In My Opinion

I agree that the MMS parts were must-haves for racing - though the one thing I remember is that if the belt tensions weren't correct or if a front-on shunt moved the front gearbox backward then the 'fences' on the diffs could chew up a belt in a matter of seconds!

I ended up running an overdrive diff in the front of mine with the thin Cougar wheels up front.

kaszal
15-02-2011, 11:56 AM
The tensioning method I use should prevent the front gearbox getting shunted back. I use a Bosscat sealed pro-diff in the rear, the one with alloy washer carriers, and a slipper which protects the drive train.

My chassis (what's the plural?) are made by FibreLyte. The top deck is thicker than standard and I've also got custom strips underneath, which I think is a great invention :thumbsup:

http://i103.photobucket.com/albums/m134/kaszal/IMG_0089.jpg

Can't wait to get it back on the track, hopefully later this month!

Yay! No more hearse shell, got repro one from TBG...

http://i103.photobucket.com/albums/m134/kaszal/IMG_0117.jpg

isobarik
15-02-2011, 01:37 PM
Luke do you have any of the countersunk bolts left 3*40mm left?? cant find them, atleast not where i get my screws.

mvh Isobarik

kaszal
15-02-2011, 03:49 PM
Loads on eBay...

http://cgi.ebay.co.uk/M3-x-45-STAINLESS-COUNTERSUNK-SLOTTED-MACHINE-SCREWS-/350132152289?pt=UK_DIY_Material_Nails_Fixing_MJ&hash=item518580a7e1

http://cgi.ebay.co.uk/M3-x-40-STAINLESS-COUNTERSUNK-ALLEN-BOLTS-20Pk-FREEPOST-/150380389566?pt=UK_DIY_Material_Nails_Fixing_MJ&hash=item23035ea4be

kaszal
21-02-2011, 06:58 PM
How did you get on with the bolts, Henrik? Got some here if you need.

Almost got the dampers right. Have a look at my other thread...

http://www.oople.com/forums/showthread.php?t=56513&page=2

kaszal
22-02-2011, 09:37 AM
These Zeppin chassis weights are handy too. Three of them weigh about 45g

The left-right balance is better now.

http://i103.photobucket.com/albums/m134/kaszal/IMG_0341.jpg

http://i103.photobucket.com/albums/m134/kaszal/IMG_0339.jpg

Daryl
22-02-2011, 10:04 AM
Stunning car mate!

Had a Bosscat and a CAT2000 EC my self, hope to see you at Stotfold some time soon :thumbsup:

kaszal
26-02-2011, 10:24 PM
Thanks Daryl!

I was wondering is the castor on a Procat greater compared to modern buggies? It's built according to the manual but with Bosscat hub carriers, which don't affect the castor. I read that the lower wishbones could be swapped over to change the castor. Less castor gives more steering on power, is that right? btw I'm running normal front driveshafts instead of the one-ways.

http://i103.photobucket.com/albums/m134/kaszal/IMG_0613.jpg

http://i103.photobucket.com/albums/m134/kaszal/IMG_0616.jpg

bish
27-02-2011, 10:32 AM
Great work, looks fantastic! Have you considered dropping the lower chassis Luke? I did it on my old Procat by using spacers. It brings the belt along the inside of the lower chassis and allows you to run a flat undertray (Bosscat style) The only snag would be the battery pack, unless you went to saddles!?

kaszal
27-02-2011, 10:54 AM
Thanks for the suggestion bish.

I measured the castor angle and it's about 19 degrees.

http://i103.photobucket.com/albums/m134/kaszal/Procatcastor.jpg

simonl
28-02-2011, 03:05 PM
Amazing Procat Kaszal.

Simon Longman here - you may remember me ? :)

You got me into racing R/C buggies at school, and I've just dug out my old Procat (last raced in mid 90's) and decided to get it going again, and stumbled into this forum as I need some advice.

I have a few broken parts that annoyingly I can't find on Ebay, and guess I'll need new belts etc and have no idea how to tackle the electrics - still have oriignal radio gear, motors & speedo etc.

Any advice much appreciated!

Simon

Gayo
28-02-2011, 04:04 PM
I was wondering is the castor on a Procat greater compared to modern buggies?

Current FS2 setups call for 16 total caster degrees (9 kickup + 7 caster block), some run 17.5 degrees, so that's not too far.

kaszal
01-03-2011, 08:30 AM
Amazing Procat Kaszal.

You got me into racing R/C buggies at school, and I've just dug out my old Procat (last raced in mid 90's) and decided to get it going again, and stumbled into this forum as I need some advice.

I have a few broken parts that annoyingly I can't find on Ebay, and guess I'll need new belts etc and have no idea how to tackle the electrics - still have orignal radio gear, motors & speedo etc.

Any advice much appreciated!

Simon

Hi Simon, I didn't know you were into RC cars! Good luck with the restoration. Best advice is to keep an eye on the forums and eBay. If you plan to race competively it's probably best to buy something modern. I've stuck with my old car because that's just me and I'm not a very good driver. It would be cool to see some photos so maybe start a new thread and show us the old wreck :thumbsup:

isobarik
05-03-2011, 11:39 AM
Luke that layshaft U1214 for the slipper clutch is it mm or imperial....

mvh Isobarik

kaszal
05-03-2011, 03:39 PM
I think it's imperial 1/8" (3.1mm) because only one of the thrust washer plates fits. Did you manage to find one?

RogerM
05-03-2011, 05:08 PM
Current FS2 setups call for 16 total caster degrees (9 kickup + 7 caster block), some run 17.5 degrees, so that's not too far.

Personally I am normally in the 19-20.5 region for castor

isobarik
05-03-2011, 06:32 PM
I think it's imperial 1/8" (3.1mm) because only one of the thrust washer plates fits. Did you manage to find one?

yeah i found 2 slipper layshaft and i was thinking of fitting an asociated slipper i think it would be ok since its also imperial so thats what im working on for now.

mvh isobarik

kaszal
09-03-2011, 09:34 PM
I measured various components and found the following...

At the rear: alloy inner transmission housing, alloy eccentric bearing housings and alloy z-bracket weigh 22.5g more than the plastic parts. Plus the brushless motor and Bosscat pro-diff (has alloy carriers and extra bearings) add more weight at the back.

In the middle: Li-Fe cells are about 140g lighter than the old Ni-mh.

At the front: swapping the XLS bumper for a Procat one, front one-ways for regular driveshafts and Bosscat hub carriers loses 24g.

I've put 45g under the cells, mainly to balance the BL motor on the other side. I've also put 55g nearer the front under the servo and steering. It was going nose up so hopefully this should help. Lots of modified bits and pieces in there. I'll measure the distribution when I've put the shocks and wheels back on.

http://i103.photobucket.com/albums/m134/kaszal/IMG_0631.jpg

http://i103.photobucket.com/albums/m134/kaszal/IMG_0635.jpg

BORMAC
09-03-2011, 09:47 PM
I really like your Ball raced steering levers Luke. Who makes them?

kaszal
10-03-2011, 08:28 AM
Wasp Racing. I was lucky to get them off a guy on Oople last year (flyingscotsman?) It all fits in there sweet and is very free. I must replace the servo saver though.

I've bought some Yokomo square adaptors. You've got some Yoke wheels on you cats havn't you, Jason? Have you tried the ones from JC Racing?

BORMAC
10-03-2011, 08:35 AM
Hi Luke.
I have been running JC racing 5 spoke rims on all my Schueys for years. Love them to death :thumbsup::thumbsup::thumbsup::thumbsup::thumbsup:

As for the ball raced steering levers your are swee-eeeet!!!

I had the Schumacher alloy versions drawn up on C.A.D by a friend of mine. If only I had somewhere that could machine them for me ;)

kaszal
10-03-2011, 09:32 PM
I've just realised I left out a piece all along - the spacers for the steering joints. I think this is why the toe in went wrong at full droop. According to the manual, these should be on both the Procat and Bosscat hubs.

http://i103.photobucket.com/albums/m134/kaszal/spacers.jpg

Daryl
10-03-2011, 09:43 PM
Promise me you will never sell you procat!

:thumbsup:

isobarik
11-03-2011, 08:12 AM
Wasp Racing. I was lucky to get them off a guy on Oople last year (flyingscotsman?) It all fits in there sweet and is very free. I must replace the servo saver though.

I've bought some Yokomo square adaptors. You've got some Yoke wheels on you cats havn't you, Jason? Have you tried the ones from JC Racing?

yes he had some yoko adapters ......again had ..:D

mvh Isobarik

kaszal
11-03-2011, 09:43 PM
Promise me you will never sell you procat!

:thumbsup:

OK I promise I won't sell it :cool:

kaszal
15-03-2011, 09:58 PM
The ball joint spacers are essential. After I fitted them no more toe in at full droop.

Also weighed the car... total 1730g and rear : front = 57 : 43

How does this compare to other 4wd?

kaszal
17-03-2011, 11:53 AM
Someone's giving me dangerous ideas... longitudinally mounted cells... Henrik! :wtf:

http://i103.photobucket.com/albums/m134/kaszal/alternativebatterylayout.jpg

isobarik
17-03-2011, 03:15 PM
Luke bassicly like that yes. i have thought about doing it for my daughters xls dont think she need it but should turn heads.

maybe trying to get saddles lipo instead lepacks mounted transverse inline ( saddle pack style turned 90 degrees ) i did that on my ultima back in the days and i was winning so everyboand have the sadddy in the club that ran ultimas started copying my setup.

mvh isobarik

andyroooo
27-03-2011, 08:50 AM
I have a big box of assorted old Schumacher Spares knocking about. Drop me a pm if anyone needs any bits........ preferably with part numbers if possible which will make my life easier!!!!! ;)

kaszal
27-03-2011, 08:59 AM
Cheers Andy, I'm after some Procat front hub carriers (pm sent)

kaszal
02-04-2011, 08:02 PM
I'm going to try some of these Yokomo dish wheels from JC Racing.

Luckily I got a set of RW Racing adaptors too.

Does anyone have experience of using these on vintage Schueys?

http://i103.photobucket.com/albums/m134/kaszal/IMG_0702.jpg

http://i103.photobucket.com/albums/m134/kaszal/IMG_0699.jpg

kaszal
03-04-2011, 01:06 PM
In case you've been following this thread, I'm selling my old shell.

kaszal
05-04-2011, 10:39 PM
I think this effect causes bump steer. It was also made worse because the steering link on the ballraced steering sits lower than the stock steering :rolleyes:

I've just realised I left out a piece all along - the spacers for the steering joints. I think this is why the toe in went wrong at full droop. According to the manual, these should be on both the Procat and Bosscat hubs.

http://i103.photobucket.com/albums/m134/kaszal/spacers.jpg

kaszal
12-04-2011, 03:01 PM
It's amazing what a dremel and some brasso can do for some old Schumacher balljoints (Before on the right and after on the left)

http://i103.photobucket.com/albums/m134/kaszal/IMG_0800.jpg

http://i103.photobucket.com/albums/m134/kaszal/IMG_0798.jpg

However I didn't get a photo of what happened to my study when the wadding snagged on the dremel and flew off in pieces everywhere :lol:

kaszal
15-04-2011, 10:06 PM
I used some M3 hexagon head bolts to mount the new Yokomo wheels.

I cut the thread down to about 22mm

http://i103.photobucket.com/albums/m134/kaszal/IMG_0841.jpg

http://i103.photobucket.com/albums/m134/kaszal/IMG_0886.jpg

kaszal
15-04-2011, 10:19 PM
These diff outdrives are ace - deep enough for the thrust bearing and 4 large disc springs so the dust cap can fit. The other side is basically one long plastic lock nut - very secure. No problem fitting them to the Procat. Thanks to Eduardo in Spain for the part number :thumbsup:

http://i103.photobucket.com/albums/m134/kaszal/IMG_0836.jpg

http://i103.photobucket.com/albums/m134/kaszal/IMG_0839.jpg

http://i103.photobucket.com/albums/m134/kaszal/IMG_0874.jpg

http://i103.photobucket.com/albums/m134/kaszal/IMG_0880.jpg

kaszal
15-04-2011, 10:25 PM
http://i103.photobucket.com/albums/m134/kaszal/IMG_0889.jpg

kaszal
16-04-2011, 08:47 PM
Latest video clip of the Procat in action...

http://youtu.be/a_9GoO_OGMg

kaszal
17-04-2011, 11:22 AM
Broke the rear wishbone practising. Does anyone have U1128 in new or mint condition? PayPal or trade. Thanks

http://i103.photobucket.com/albums/m134/kaszal/IMG_0898.jpg

http://i103.photobucket.com/albums/m134/kaszal/IMG_0901.jpg

PLINIO
18-04-2011, 07:21 PM
I'm glad that you do well, I'll ask some more parts.
I have problems with orgura the end of which fits the wheel bearing, you know where to shop.
thanks and greetings from Spain

kaszal
18-04-2011, 07:32 PM
Welcome to Oople!

I've ordered these wishbones, which are listed in the Bosscat manual (I hope they fit)

U1133 Rear Wishbone - Big 6 (pr)

Did you mean the hub carriers? They are both available from Schumacher:

U1279 Front Hub Carrier - BOSSCAT pair

U2327 Rear Hub Carrier - Big 6 (pr)

Drive shafts and hubs are more difficult to come by I think.

PLINIO
18-04-2011, 08:42 PM
I need this
http://i103.photobucket.com/albums/m134/kaszal/IMG_0841.jpg

if you use the rear differential bosscat 7mm belts kevlar go great
U1295H/Duty Drive Belt -7mm (pr) B/C+N4x4

kaszal
20-04-2011, 04:42 PM
Broke the rear shock mount too :(

http://i103.photobucket.com/albums/m134/kaszal/IMG_0902.jpg

4mm should be harder to break (thank you Fibre-Lyte)

http://i103.photobucket.com/albums/m134/kaszal/IMG_0972.jpg

http://i103.photobucket.com/albums/m134/kaszal/IMG_0976.jpg

kaszal
22-04-2011, 08:41 AM
The new outdrives are a good upgrade but rub the front uprights. I've since dremeled the inside to allow the crashback to pivot without obstruction.

http://i103.photobucket.com/albums/m134/kaszal/IMG_0991.jpg

http://i103.photobucket.com/albums/m134/kaszal/IMG_0983.jpg

kaszal
22-04-2011, 08:43 AM
Here's the list of everything I've changed... not much left of the original :woot:

Fibre-Lyte carbon fibre parts:
- PROCAT 01 and BOSS 04
- PROCAT 02 in 3mm carbon (stiffens chassis)
- BOSS 03 in 4mm carbon (extra durability)
- custom battery trays and straps
- custom under-chassis strips (add stiffness and prevent screws splitting undertray)
U858B Bosscat 23mm pro-diff with alloy washer carriers:
- U1631 23mm diff output yokes (need to dremel inside of front uprights T156)
- U857 diff screw, springs, locknut and cover tip: arrange springs )()(
- high tensile M3 45 cap head diff screw
- 3mm ceramic diff balls
MMS machined nylon front diff
U194 hi torque drive belts - 5mm
Buds Racing Products #6510 ultra drive belt
Bosscat slipper clutch, RW Racing 90T Supalite spur 90T and 19T pinion
custom laser cut red anodized gearbox side-plates
alloy eccentric bearing housings, inner transmission housing and Z bracket
Wasp Racing ballraced steering and PK Racing alloy track rod
rear anti-roll bar
Lunsford titanium turnbuckles (3 pairs), ball studs and motor screws
Bosscat rear hub carriers and 1/8 pin wishbones
Bosscat H-bracket (sanded to fit)
crash-back o-rings from eBay 0.862 0.103
54028 TRF buggy aeration oil filled dampers
- Front: drilled pistons 2 1.1mm, 40wt oil, AE blue springs 4.2 rate
- Rear: pistons 2 1.3mm, 35wt oil, Losi pink springs 2.3 rate, 5mm downstop spacers, dirt shields
RW Racing #575 Yokomo wheel adaptors and JC Racing YZ10 dish wheels
U1042 aerial mount universal
socket head screws mostly from http://www.modelfixings.co.uk
BMS-621MG and Kimbrough servo saver
Novak GTB and Velociti 5.5 motor
6.6v 3800mAh 60C Orion Li-Fe battery
Team Bluegroove Procat shell and undertray (paint by RCS Graphic Worx)
HPI #61524 EU wing set
U3298 Schumacher wing mount - off road

Other modifications and tips...

vulnerable areas of undertray and shell cushioned with sponge tape
undertray and belt cover sealed with foam tape to keep dirt out of transmission
diff washers sanded with 600 wet and dry
front gearbox screws replaced with four M3 40 countersunk bolts
front belt tensioner removed and spacers inserted behind gearbox brackets
screws for rear wishbone brackets replaced with single threaded bolt (RW Racing)
front anti-roll bar mounted underneath top deck so does not rub belt or cover
front one-way drive shafts replaced with normal drive shafts
grub screw secures hinge-pin in front top wishbone
extra weight added under servo and steering
front hub ball-joints spun in Dremel tool and polished with Brasso
extra spacers inserted under hub ball-joint to reduce bump-steer
wishbones shimmed to reduce slop

kaszal
25-04-2011, 08:28 AM
Here are some close ups of the modified uprights and also the spacers that move the gearbox back to keep the belt tight.

http://i103.photobucket.com/albums/m134/kaszal/IMG_1028.jpg

http://i103.photobucket.com/albums/m134/kaszal/IMG_1025.jpg

kaszal
26-04-2011, 01:34 PM
Can anyone help me find an electronic version of the Bosscat Works manual?

Cheers

Chris Ward
26-04-2011, 04:11 PM
http://rc-racing.110mb.com/Schumacher%20BossCat%20Manual.pdf

and another link good for old manuals:

http://www.retromodelisme.com/liste_manuel.html

kaszal
26-04-2011, 04:29 PM
Thanks Chris but that seems to be the manual for the standard Bosscat, which I already downloaded. It doesn't show any of the WORKS parts. Do you know is there a separate manual for the Bosscat Works? Cheers

Moozo
26-04-2011, 04:40 PM
What you after Luke? Which parts?

kaszal
26-04-2011, 04:44 PM
Rear suspension in particular

(two forums at once :lol:)

Moozo
26-04-2011, 04:48 PM
Keeping you on your toes lmao:p

Would a photo of a bosscat works be better?

kaszal
26-04-2011, 04:50 PM
Madness... I've got 10 tabs open on my browser :bored:

Actually, I've got some Works rear suspension parts in the post (big surprise) so I thought good to get ahead and get the manual.

Moozo
26-04-2011, 05:05 PM
The rear hubs from a bosscat works

kaszal
26-04-2011, 05:08 PM
How quick was that!

The bearings look flanged? Do you know the advantage of that?

Moozo
26-04-2011, 05:23 PM
To be quite honest i dont... and until you pointed it out didnt know they were but i'm sure someone will know........

kaszal
26-04-2011, 05:39 PM
Maybe the axles will be less 'wobbly' :confused:

Moozo
26-04-2011, 06:01 PM
that makes sense mate.....

pm me your address and i'll get that manual off to you asap:thumbsup:

bish
26-04-2011, 10:01 PM
Flanged on the rear hub carriers only, no idea why!

PLINIO
27-04-2011, 08:23 PM
that these numbers are rear hub carrier
thanks

kaszal
27-04-2011, 08:35 PM
Also saying bye bye to this alloy layshaft :cry:

http://www.oople.com/forums/showthread.php?t=69161&referrerid=7282

kaszal
28-04-2011, 09:40 PM
Just swapped my BlueBird BMS-631MG (6.2 kgcm and 0.08 sec 60 deg) for an Align DS610 (same speed but 12 kgcm)

I read this is equivalent to a Savox SC-1258, which is nearly 20 more.

Bought it here http://www.align-trex.co.uk/ds610-digital-servo-k10425a-hsd61001-p-575.html

http://i103.photobucket.com/albums/m134/kaszal/IMG_1057.jpg

http://i103.photobucket.com/albums/m134/kaszal/IMG_1060.jpg

kaszal
01-05-2011, 09:31 PM
Here's some photos of the new Works hubs and wishbones for my Procat. The bearings seem well hidden from dirt within the hubs. I reckon the longer wishbones will improve the rear end suspension. The wishbones and hubs needed a bit of sanding for free movement.

http://i103.photobucket.com/albums/m134/kaszal/IMG_1072.jpg

http://i103.photobucket.com/albums/m134/kaszal/IMG_1078.jpg

http://i103.photobucket.com/albums/m134/kaszal/IMG_1088.jpg

http://i103.photobucket.com/albums/m134/kaszal/IMG_1090.jpg

PLINIO
01-05-2011, 10:41 PM
its advantage work hub and wishbones?

kaszal
02-05-2011, 10:38 AM
Selling my spare MMS front diff.

kaszal
02-05-2011, 08:32 PM
In case you're interested, these 8x16x5 bearings will fit the axles and rear gearbox on the Cat XLS, Procat and Bosscat...

http://cgi.ebay.co.uk/Bearing-688-2RSC-8X16X5-mm-CERAMIC-RUBBER-SEALS-ABEC-5-/160470025637?pt=LH_DefaultDomain_0&hash=item255cc245a5

I'm only getting 4 for the rear gearbox and the price seems OK - ceramic balls, Abec 5 tolerance and free postage.

Ndarby
02-05-2011, 09:05 PM
Thats a great looking procat, Hope it handles as good as it looks!
Neil

isobarik
04-05-2011, 12:57 PM
Luke have you seen this ???

http://cgi.ebay.com/Schumacher-Aluminum-Bearing-Housing-CAT-XL-T082-T083-/250812826275?pt=Radio_Control_Parts_Accessories&hash=item3a659c02a3

mvh Isobarik

kaszal
05-05-2011, 08:02 AM
This store has some old parts still in stock. I bought some Works wishbones and hub carriers from them...

http://www.roundabouttoys.com/store/category/16/115/Spares-Schumacher/

kaszal
10-05-2011, 07:50 PM
I was setting the EPA (end point adjustment) for the steering servo on my Procat and I noticed that before it reaches full lock the front hubs vibrate violently, especially at lower speeds. Is this inevitable with the old driveshaft joints? Should I set the EPA so it doesn't reach this point? How much steering do you get on your Procat or Bosscat before this shaking occurs e.g. 45/50 degrees? Thanks!

bigchris
10-05-2011, 08:04 PM
yeah i remember the rattle in the shafts , but IMHO dont worry as the bosscat/procat has much more lock than youll ever need

PLINIO
10-05-2011, 08:11 PM
same thing happened to me, the problem was rodamiemtos, new bearings and hub carries, and fixed.
anyway http://www.racing-cars.com/pp/New_Cars_and_Parts/Riot/U3183.html

kaszal
10-05-2011, 10:04 PM
yeah i remember the rattle in the shafts , but IMHO dont worry as the bosscat/procat has much more lock than youll ever need

Thanks Chris, had a bit of problem with understeer at one stage (especially without the one-way driveshafts) but since got some fresh tyres, new servo and added weight up front.

Now what do you think - servo saver or not? :confused:

kaszal
10-05-2011, 10:12 PM
same thing happened to me, the problem was rodamiemtos, new bearings and hub carries, and fixed.
anyway http://www.racing-cars.com/pp/New_Cars_and_Parts/Riot/U3183.html

Hi Plinio

Rodamiemtos are bearing right? I can use Google translate :D

Are you just using the shafts and the hub? How are they better? The hubs have a 10mm diameter don't they? Is that fitting your Bosscat wheels ok?

Hasta la vista :lol:

PLINIO
12-05-2011, 03:57 PM
yes, I use the google translator, my English writing is very low :D
I'm thinking how to change the type of bearings, to use hexagons.

kaszal
12-05-2011, 05:14 PM
I had some of these but never used them (I sold them earlier this year)

http://www.neweramodels.com/item.cgi?part_id=3270

...but why use hexes when JC Racing do wheels?

kaszal
16-05-2011, 10:47 PM
These rare transmission goodies can be yours... I use the same in my Procat racer :thumbsup:

BORMAC
16-05-2011, 10:54 PM
How much for the slipper sir? ;)
Cheers-Jason :D

kaszal
21-05-2011, 01:36 PM
Slipper's gone but the diff is still available. This is a seriously good diff and is one of the best ways to upgrade your transmission. Fits all early Cats e.g. XLS, Procat and Bosscat. I've no more once it's gone!

Keep watching for posts on my latest upgrades i.e. Works rear suspension, alloy front gearbox brackets, Abec 5 rubber sealed ceramic bearings, alloy layshaft bearing housings and Procat belt cover.

BORMAC
21-05-2011, 01:40 PM
Luke there's a guy here in Australia that bought my previous Procat. His name is MAD RACER (Mark) and he'd be well keen for this diff for that car.
I'll let him know about it for you.
Cheers-Jason

kaszal
21-05-2011, 01:44 PM
Thanks dude :thumbsup: got to fund all the other goodies!

Got enough spares now I'm looking forward to racing it into the ground this season.

kaszal
23-05-2011, 08:31 AM
Can someone help me with the rear camber link? Seems the manual setting is quite short. I'm sure modern buggies have a longer link. Which number should I use for bumpy astro turf track e.g. Stotfold, Watford? I'm not an expert on suspension tuning so any advice appreciated.

http://i103.photobucket.com/albums/m134/kaszal/IMG_1214edited.jpg

kaszal
28-05-2011, 10:10 PM
Just fitted these alloy brackets. I used some cheap M3 threaded PCB mounts for the posts. I also also fitted a new belt cover and drilled countersinks in the top deck.

http://i103.photobucket.com/albums/m134/kaszal/IMG_1254.jpg

http://i103.photobucket.com/albums/m134/kaszal/IMG_1273.jpg

http://i103.photobucket.com/albums/m134/kaszal/IMG_1276.jpg

http://i103.photobucket.com/albums/m134/kaszal/IMG_1300.jpg

http://i103.photobucket.com/albums/m134/kaszal/IMG_1288.jpg

http://i103.photobucket.com/albums/m134/kaszal/IMG_1286.jpg

http://i103.photobucket.com/albums/m134/kaszal/IMG_1289.jpg

http://i103.photobucket.com/albums/m134/kaszal/IMG_1293.jpg

http://i103.photobucket.com/albums/m134/kaszal/IMG_1295.jpg

Dazzler
28-05-2011, 10:17 PM
Nice alloy bits there Kaszal, who made those?

kaszal
28-05-2011, 10:39 PM
Thanks. GPM I think. I got them off a guy on RC10Talk. They should make the front end stronger and give a more precise hinge for the crashback.

Moozo
29-05-2011, 08:50 AM
So it was you who beat me to them eh Luke:cry:
oh well at least they went to a great home cat looking better everytime i see it:drool:

Mick

kaszal
29-05-2011, 08:55 AM
Thanks Mick. Sorry about that :blush:

Someone beat me to the alloy deck brace but these are better.

Still struggling with the suspension setup but learning lots in the process.

Should be down Stotfold today.

Moozo
29-05-2011, 09:02 AM
Dont be sorry like i said glad they went to a great home!!:)

Get some pics of your beauty in action;)

You've made me want to start on one of my cats now
do you think a 3.5t would be ok :woot::woot::woot:

Mick

kaszal
29-05-2011, 09:29 PM
Voila! Video of practice today at Stotfold...

http://www.youtube.com/watch?v=8I98zJp3-WU

Dazzler
29-05-2011, 09:40 PM
Looking good.... What motor are you running in it now kaszal? Have you had any reliability issues running it?

kaszal
29-05-2011, 09:50 PM
Novak Velociti 5.5T with a 6.6v Li-Fe battery

Diffs and belts have been reliable so far... but they were built very, very well :yawn:

kaszal
31-05-2011, 10:13 AM
These bits are spare so let me know if your interested (on eBay but discount for Ooplers)

Moozo
31-05-2011, 12:58 PM
How much discount?????:D

kaszal
31-05-2011, 01:22 PM
You got PM (if you just want the housings I'll sell them alone)

kaszal
01-06-2011, 01:08 PM
Current set up for next race at Stotfold...
Front: pistons - 2 holes 1.1mm dia., 45wt oil, Schumacher Black springs 4.5
Rear: pistons - 2 holes 1.3mm dia., 30wt oil, Losi Red springs 2.5
Schumacher yellow spikes with outside rows cut off.
Gearing 20T pinion and 90T spur

Front and rear roll bars fitted but may remove front and move out shocks. They were uneven and looked a bit shabby so I polished them up and refit the joints.

http://i103.photobucket.com/albums/m134/kaszal/IMG_1327.jpg

http://i103.photobucket.com/albums/m134/kaszal/IMG_1334.jpg

http://i103.photobucket.com/albums/m134/kaszal/IMG_1328.jpg

kaszal
23-06-2011, 10:22 PM
I'm selling these in case anyone is interested...

http://www.oople.com/forums/showthread.php?t=73754&referrerid=7282

kaszal
09-07-2011, 04:09 PM
Put some nice Bosscat wheels on. The "hubcap" design gives a hidden place in which to fix the balancing weight (white tac). Schumacher tubby inserts fill up the wheels well.

I moved out the front shocks to get more roll stiffness without the roll bar. One hole makes a big difference so pistons need changing! Will keep the rear anti roll bar on.

Hope it goes well at Stotfold tomorrow.

http://i103.photobucket.com/albums/m134/kaszal/IMG_1431.jpg

http://i103.photobucket.com/albums/m134/kaszal/IMG_1436.jpg

http://i103.photobucket.com/albums/m134/kaszal/IMG_1438.jpg

gainsy
09-07-2011, 05:17 PM
Looking good Luke
:thumbsup:
Good luck at Stotfold

kaszal
09-07-2011, 09:35 PM
With the front shocks moved out the set up is as follows...

Front: No. 2 pistons (2 x 1.2mm dia. holes), 35wt oil, Schumacher black springs 4.5

Rear: No. 3 pistons (2 x 1.3mm dia. holes), 30wt oil, Losi red springs 2.5

Feels a bit too "springy" up front now but I'll see how it is on the track (can always change to AE blue spring 4 rate)

Any comments welcome.

kaszal
11-07-2011, 10:20 PM
Nice run yesterday, lots of fun in rain too!

Slight changes to setup are to try slightly heavier oil in front 40wt and weights under the batteries. Final lap times were mostly under 30 seconds so not too shabby for a 17 year old car :thumbsup:

But gotta move on sooner or later... 502, FS2 or wait and see what Losi do?

kaszal
12-07-2011, 04:12 PM
Looking at the wobbly axles I realised there were never any crush tubes :eh?: which means the tighter you do up the wheel the more the bearings bind.

I found this more noticeable in the Works rear hubs. I plan to fix this with a few bits...

http://i103.photobucket.com/albums/m134/kaszal/nocrushtubes.jpg

8x14x4mm bearings (2 pieces) from RCbearings.co.uk (remove the inner race and use as a crush spacer in the rear Works hubs. This might push the bearings clear of the hub a little but a 12mm shim thickness 0.1mm or 0.2mm should fix that)

I'll make a crush spacer for the front with 1.2mm worth of 8mm shims (e.g. 2 x 0.5 + 0.2)

I'll check the fit by disconnecting the driveshafts and spinning the wheels with the bolts done up tight.

Now all I need are some nice alloy roller driveshafts :drool:

Dazzler
12-07-2011, 04:22 PM
Do you fancy trying the internal belt conversion kaszal, before you move on from your procat? I'm sure the extra ground clearance without effectively raising ride height would make a massive improvement. When I look at mine in comparison to a more modern car, it sure is a big down side. Droop is fairly limited, and with the belt cover under the chassis, integral with the under tray, you must loose 8mm clearance at a guess.

I've seen pics over on the rc10 forum, looks pretty straight forward.

I think you should give it a try :thumbsup:

kaszal
12-07-2011, 04:42 PM
Thanks for the suggestion. Sounds a great idea that would improve the performance. I'd have to convert to saddle packs and redesign the trays. I'd also have to change the undertray in order to get the increased ground clearance. The Bosscat undertray should fit... but then I might as well convert the front end and shell to Bosscat and that's a big project.

I wish I'd started with a Bosscat in the first place for the very reason you stated. The car has other limitations e.g. telescopic driveshafts bind more than dogbones, fine pitch belts weren't designed for brushless, and hardly any tuning options for the front suspension and shocks.

Do you have the link to the thread on RC10talk?

kaszal
13-07-2011, 01:30 PM
http://i103.photobucket.com/albums/m134/kaszal/IMG_1441.jpg

http://i103.photobucket.com/albums/m134/kaszal/IMG_1446.jpg

http://i103.photobucket.com/albums/m134/kaszal/IMG_1449.jpg

kaszal
14-07-2011, 11:45 AM
Rear crush tubes work great. Did the screw up tight and the bearings run very free. A little less axle wobble too. The parts needed for the Works hubs are the inner races of two 8x14x4mm bearings (70p each from RCbearings.co.uk) and two 12x15x0.1mm shims (Kyosho ones are available from JE Spares)

http://i103.photobucket.com/albums/m134/kaszal/IMG_1452.jpg

http://i103.photobucket.com/albums/m134/kaszal/IMG_1457.jpg

http://i103.photobucket.com/albums/m134/kaszal/IMG_1454.jpg

kaszal
15-07-2011, 07:43 AM
The Wasp ballraced steering didn't have crush tubes either. I found tensioning the bolts quite fiddly to get right: too tight and the bearings bind, too loose and there's more play. I got busy with the calipers and found that the inner race of a 3x7x3 bearing should fit. Need 4 at 70p each from RCbearings.co.uk

These are the original instructions (with red annotations by me)

http://i103.photobucket.com/albums/m134/kaszal/Waspsteering2annotated.jpg

kaszal
15-07-2011, 06:31 PM
Please join in my Procat paint scheme survey...

http://www.oople.com/forums/showthread.php?t=75460&referrerid=7282

kaszal
15-07-2011, 08:10 PM
Can anyone help me out with two of these in new or good condition?

http://i103.photobucket.com/albums/m134/kaszal/frontuprightsannotated.jpg

kaszal
16-07-2011, 07:23 PM
btw I'm after the stronger "remould" of this part, which is solid with no webbing.

http://i103.photobucket.com/albums/m134/kaszal/IMG_0612.jpg

kaszal
18-07-2011, 08:46 AM
Turned around the battery pack. This makes the battery wires as short as possible. Had to dremel the battery strap (carbon fibre conducts!)

It's also better for balance as the lighter end of the battery is on the motor side of the chassis. I measured some Lipo and Life packs and one end was 14g heavier.

http://i103.photobucket.com/albums/m134/kaszal/IMG_1467.jpg

kaszal
18-07-2011, 04:00 PM
Ivan helped me out with some parts recently and I wanted to post up something he is looking for. As you can see, it's the old steering turnbuckles without the turny hexagon bit. Please let me know if you have these spare. Thanks.

http://i103.photobucket.com/albums/m134/kaszal/tierodnohexagon.jpg

PLINIO
18-07-2011, 09:51 PM
I have of those in my bosscat.
I can change It

kaszal
19-07-2011, 04:44 PM
Forgot to post photos of the front crush spacers

2 x 0.5 + 0.2 = 1.2mm

http://i103.photobucket.com/albums/m134/kaszal/IMG_1474.jpg

http://i103.photobucket.com/albums/m134/kaszal/IMG_1475.jpg

gainsy
19-07-2011, 05:42 PM
Nice idea Luke, looks like it will work nicely :thumbsup:

kaszal
19-07-2011, 05:52 PM
Thanks Stu. I've got Abec 5 ceramic bearings in the front, which seem harder to crush than the smaller bearings in the Works rear hubs. The benefit was more noticable from the rear crush spacers. I reckon with Lipo, brushless and fine pitch belts we need the least resistance possible.

I've also found balancing the wheels really helps minimise vibration and smooths out the ride.

I'm going to try Daz's front suspension mod at some time plus I really fancy the tiger/zebra shell!

Moozo
19-07-2011, 10:27 PM
btw I'm after the stronger "remould" of this part, which is solid with no webbing.

http://i103.photobucket.com/albums/m134/kaszal/IMG_0612.jpg

Luke back in the day i had some of these that were flexible....think they were called sjp they did the rear wishbones aswell....wonder if you could get some of these....

Mick

kaszal
20-07-2011, 10:01 PM
Thanks Mick. I was actually thinking of trying Dazzler's mod...

http://www.oople.com/forums/showpost.php?p=526195&postcount=30

isobarik
21-07-2011, 07:59 AM
Ill take it if its not like 100 for it.


mvh Isobarik

kaszal
21-07-2011, 08:15 AM
It is over 100... if you're paying in Danish Krone :p

It's on fleabay in the usual place :)

isobarik
21-07-2011, 08:47 AM
oki doki

mvh Isobarik

kaszal
21-07-2011, 08:53 AM
I'm putting a Novak Velociti Light 5.5L in my Procat and was wondering what gear ratio should I be using? I have been racing a 5.5R with 6.4v Li-Fe cells using a 20T pinion and 90T spur. I'm using Bosscat wheels so looked up the final drive ratio in the Bosscat manual page 21...

FDR = 90 / 20 * 2.428 = 10.9 (to 1 decimal place)

The motor is fine after 5 mins (hardly warm) and this seems to follow Novak's recommendations for a 4wd buggy...

http://www.teamnovak.com/tech_info/brushless/br_gearing.html

I'm going to try the 5.5L with some Lipo cells and will use this ratio...

88 / 21 * 2.428 = 10.2

It seems to me that if the transmission is free, these new brushless motor don't seem to mind gearing up. They just seem to get smoother!

kaszal
22-07-2011, 11:57 AM
These going as well in case anyone interested...

http://www.ebay.co.uk/itm/Vintage-Schumacher-Cat-roll-bar-and-z-bracket-NIP-/270786581135?pt=UK_ToysGames_RadioControlled_JN&hash=item3f0c23528f

kaszal
23-07-2011, 07:08 PM
http://i103.photobucket.com/albums/m134/kaszal/IMG_1551.jpg

kaszal
26-07-2011, 05:11 PM
These bearings are top notch. I got them off "roulement-passion" on eBay.

They have metric and imperial sizes, metal or rubber shields, ceramic hybrids and Abec 5 ratings.... and nice blue shields :thumbsup:

Better than metal shields in the dirt, quite free running and not packed with too much grease that spews everywhere.

http://i103.photobucket.com/albums/m134/kaszal/IMG_1454.jpg

http://i103.photobucket.com/albums/m134/kaszal/IMG_1474.jpg

Dazzler
26-07-2011, 05:56 PM
How did your runs at Stotfold go, having carried out the front tower mods?

kaszal
26-07-2011, 07:35 PM
The mod worked well, thanks. I felt I had to use a lighter oil in front from 40 to 35wt. I also used No 4 pistons in the rear for less pack. Seems to take the bumps better now. Came 2nd or 3rd in most my rounds.

I used Lipo for the first time and the Novak 5.5L got hot :o I'm using a 20T pinion and 88T spur, giving an FDR of 10.7. What do you think?

Got plans for this too...

http://www.ebay.co.uk/itm/Brass-Flat-Bar-1-1-2-x-1-8-x-12-long-CZ121-/280683906595?pt=UK_BOI_Metalworking_Milling_Weldin g_Metalworking_Supplies_ET&hash=item415a108623

Yellow mini-spikes are worn down perfect now, so they should be just right for about, oh, half a meeting :lol:

gainsy
26-07-2011, 08:20 PM
I was using a 20t pinion on a 84t spur also with a 5.5t motor, motor & esc were both warm but not hot after the races, but then you were going faster than me :D got to wear them spikes down this week, spent most of my time on the roof due to way to much grip even after removing the 2 outer & inner spikes front & rear

kaszal
26-07-2011, 08:44 PM
Interesting. I think the internal ratios are similar (B44 is 2.5 and Bosscat is 2.43)

10 minutes on Tarmac will scrub them yellows down nicely :lol:

kaszal
27-07-2011, 03:37 PM
I got some brass flat bar off eBay for 12

http://www.ebay.co.uk/itm/Brass-Flat-Bar-1-1-2-x-1-8-x-12-long-CZ121-/280683906595?pt=UK_BOI_Metalworking_Milling_Weldin g_Metalworking_Supplies_ET&hash=item415a108623

They cut it for you and it arrived the next day! I used two pieces 1 1/2" x 1/8" x 2 1/2" weighing a total of 130g

They fit underneath the chassis to lower the centre of gravity. As someone told me long ago, I'm noticing the missing weight - a LiPo pack can be as much as 185g less than Ni-mh! I will sell the old Zeppin weights if anyone's interested.

http://i103.photobucket.com/albums/m134/kaszal/IMG_1562.jpg

http://i103.photobucket.com/albums/m134/kaszal/IMG_1563.jpg

http://i103.photobucket.com/albums/m134/kaszal/IMG_1565.jpg

kaszal
02-08-2011, 01:16 PM
I'm getting some bump steer i.e. the front wheels TOE IN when the suspension is COMPRESSED. Please can someone confirm that to remedy this you raise the joint at the hub and/or lower the joint on the steering rod. Thanks.

kaszal
04-08-2011, 09:26 AM
I recently ordered some vintage Schumacher parts from this website...

http://topspeed-rc.be/

Very helpful plus they also accept PayPal.

kaszal
06-08-2011, 01:51 PM
I got these strips in brass including the drilling and countersinks by

www.maidstone-engineering.co.uk/ (http://www.maidstone-engineering.co.uk/)

1/8" x 1/4" x 200mm weight 65g approx

http://i103.photobucket.com/albums/m134/kaszal/IMG_1614.jpg

http://i103.photobucket.com/albums/m134/kaszal/IMG_1615.jpg

http://i103.photobucket.com/albums/m134/kaszal/IMG_1621.jpg

QuackingPlums
06-08-2011, 04:26 PM
Wow they look nice Luke! How much did they cost?

kaszal
06-08-2011, 04:29 PM
16.30 including drilling, countersinks and postage.

I then polished them, took off the sharp edges and fitted the foam tape.

btw got some bits on fleabay e.g. belts, pulleys etc.

gainsy
06-08-2011, 08:39 PM
Nice Luke :thumbsup:
Your cat just gets better & better :)

QuackingPlums
06-08-2011, 09:54 PM
btw got some bits on fleabay e.g. belts, pulleys etc.

I saw! Will try not to miss it this time!

kaszal
07-08-2011, 09:29 PM
Nice Luke :thumbsup:
Your cat just gets better & better :)

Thanks Stu, I hope it handles better. I also put heavier oil in the front, replaced the broken wishbone and cracked wheels, plus sorted out the bumpsteer :D

Did you run your B44 in the open class yesterday?

gainsy
07-08-2011, 10:37 PM
Didn't get to run, still haven't sorted the receiver out yet, my fault as my phone went a bit wonky & i missed a message from dms last week :(
I am going to go to the herts track in ware on saturday to practice as they are starting racing on a saturday next month :) it looks a excellent track, will be at stotfold on sunday so will let you know how it went, will just stick the old 27mhz stuff in the car if the 2.4 gear isn't fixed, starting to get withdrawal symptons not driving the car :lol:
Forgot to say last time that i have a set of rear b44ft shocks that you are welcome to try on the cat if you want, they do have a nice action on them

kaszal
08-08-2011, 09:55 PM
Race ready, the Procat weighs a bit under 1750g, which is about 160g over the BRCA 4wd minimum (1588g)

How does that sound to you for a 4wd?

kaszal
13-08-2011, 10:54 AM
Hi, I still need a couple of these (broke some recently, don't ask http://www.rc10talk.com/images/smilies/icon_sad.gif )

I don't mind what version or condition. Thanks.


Can anyone help me out with two of these?

http://i103.photobucket.com/albums/m134/kaszal/frontuprightsannotated.jpg

kaszal
14-08-2011, 08:16 AM
http://www.oople.com/forums/showthread.php?t=77790&referrerid=7282

kaszal
15-08-2011, 03:13 PM
Got these going too...

kaszal
16-08-2011, 03:27 PM
Got some good results at Stotfold on Sunday. The rounds were very close but I won all three. Racing against modern buggies like Durango, Kyosho and Associated so I was quite happy. Unfortunately lost my concentration in the final and crashed out badly.

Anyway, still wicked fun (hello to Stu, Richard and Andrew)

gainsy
16-08-2011, 05:36 PM
Luke you deserved to make the A final mate as your laps were far better than us, you were also the most consistent in the heats by a country mile, so pat on the back buddy, it was harsh on you to break a rear hub in the final
We will have to see what we can do about reeling you in this weekend :woot: i was thinking maybe a bungie cord on the back of your cat might slow it down a bit :D

kaszal
17-08-2011, 08:15 PM
Thanks a lot, Stu :thumbsup:

I think I can get it running better still. As you could could see, the rear wheel lifts up (almost off the ground) when it turns into a sharp corner. I was thinking of using stiffer front springs and/or take out the chassis brace to let it flex slightly more. Could also move out the mounts for the rear anti-roll bar. What do you think?

Will you have all your electrics sorted by Sunday?

gainsy
17-08-2011, 08:59 PM
I guess only giving it a go will see if it can go faster, just change 1 thing at a time & if it don't improve it change back & try something else, i think you have the potential for a 25sec lap out of it, maybe more, are you going to try the rear anti roll bar?
As for the electrics hmmmmm i will reserve judgement on that until friday, if my tranny comes back from cml before then i should be ok to run 2.4, if not then it may have to be the 27mhz again

Dazzler
17-08-2011, 11:57 PM
Thanks a lot, Stu :thumbsup:

I think I can get it running better still. As you could could see, the rear wheel lifts up (almost off the ground) when it turns into a sharp corner. I was thinking of using stiffer front springs and/or take out the chassis brace to let it flex slightly more. Could also move out the mounts for the rear anti-roll bar. What do you think?

Will you have all your electrics sorted by Sunday?

You could try thicker front oil, and thinner rear oil. Also drop the shocks off to check all the suspension is moving freely.

And when you get sorted Luke, post your setup again:thumbsup:

Skye
18-08-2011, 09:27 AM
Well done for Sunday mate, you dominated the heats with some smooth driving whilst the rest of us were getting in a tangle trying to keep tabs on you! The A final was always going to be a tall order but just to have made it is an achievement and something I could only dream of at the moment... Well done buddy! :thumbsup:

isobarik
18-08-2011, 09:48 AM
Thanks a lot, Stu :thumbsup:

I think I can get it running better still. As you could could see, the rear wheel lifts up (almost off the ground) when it turns into a sharp corner. I was thinking of using stiffer front springs and/or take out the chassis brace to let it flex slightly more. Could also move out the mounts for the rear anti-roll bar. What do you think?

Will you have all your electrics sorted by Sunday?

Are you running the front Stabilitzer ????

mvh Isobarik

kaszal
18-08-2011, 09:51 AM
No, I took it off so I could move the shocks out further. I'm using 4.5 rate springs to get the roll stiffness but I might even try 6 rate.

I thought it would handle better on the bumpy track if the roll stiffness comes from the springs rather than the roll bar, which is best used as a fine tuning aid. Like the Bosscat, which didn't have the front roll bar as standard.

kaszal
18-08-2011, 01:56 PM
Planning something new...

http://i103.photobucket.com/albums/m134/kaszal/drawing50.jpg

DWG file drawn with free CAD software from DraftSight...

http://www.3ds.com/products/draftsight/free-cad-software/

isobarik
18-08-2011, 02:21 PM
Steering ????

mvh Isobarik

gainsy
18-08-2011, 05:14 PM
I know our cars are very different but since i put the rollbar on front & back it has transformed my car & now it feels totally planted, can't wait for sunday now as i have turned the motor back up & changed the gearing to 81t/20t for more acceleration :)
Did you race last night?

kaszal
20-08-2011, 12:03 PM
Well done for Sunday mate, you dominated the heats with some smooth driving whilst the rest of us were getting in a tangle trying to keep tabs on you! The A final was always going to be a tall order but just to have made it is an achievement and something I could only dream of at the moment... Well done buddy!

Thanks mate, appeciate it! Forecast looks OK so far so will see you tomorrow.

I'm a bit limited with my car so you'll be passing me in no time :thumbsup:

kaszal
20-08-2011, 12:06 PM
Made these up on PowerPoint recently and thinking of having decals made...

http://i103.photobucket.com/albums/m134/kaszal/version350.jpg

Anyone interested? Note: these are just rough mock ups, not professional proofs.

CAT3K
20-08-2011, 12:17 PM
Haha, great minds think alike Kaszal. I'm currently trying to work out some custom decals for my Pro-Cat project. :lol:

Paul.

kaszal
20-08-2011, 12:31 PM
Wow. What company will you use?

The original Procat stickers are available from PandaGFX so I take it you're doing something different?

http://www.pandagfx.com/

Is it desirable/economical to combine?

CAT3K
20-08-2011, 05:16 PM
Wow. What company will you use?

The original Procat stickers are available from PandaGFX so I take it you're doing something different?

http://www.pandagfx.com/

Is it desirable/economical to combine?

I've emailed Stoff from here on Oople obout the possiblity of having them made. I've also been looking at this company to print them for me http://stickers.signprint.co.uk/ once i've designed them... i have an artistic talent deficiency but i'll try. :cry:

Paul.

kaszal
20-08-2011, 05:28 PM
I also emailed Stoff and some other companies.

I'd like to get the proper ones with opaque white on clear background. Do you know who can do those?

I thought of putting a few retro names on too e.g. Parma and Reedy. What did you have in mind?

btw Jimmy also does repro Schumacher stickers...

http://www.oople.com/rc/decals/

CAT3K
20-08-2011, 10:48 PM
I also emailed Stoff and some other companies.

I'd like to get the proper ones with opaque white on clear background. Do you know who can do those?

I thought of putting a few retro names on too e.g. Parma and Reedy. What did you have in mind?

btw Jimmy also does repro Schumacher stickers...

http://www.oople.com/rc/decals/

I think the company i mention above will do what you need Luke.

I'm not sure what i want yet actually, i can't even decide on a paint scheme :o

Paul.

isobarik
20-08-2011, 10:57 PM
Btw Luke wasnt it good the procat shell that you sold me i think it looks super on the pics.

mvh isobarik

kaszal
21-08-2011, 10:41 AM
Check out this thread about possible new black dish wheels...

http://www.oople.com/forums/showthread.php?t=78457&referrerid=7282

kaszal
22-08-2011, 01:06 PM
I'm trying to get these redrawn and printed on decals...

http://i103.photobucket.com/albums/m134/kaszal/decals.jpg

kaylon
22-08-2011, 08:13 PM
I can do that kinda thing :)...

I did these for a chap a few months ago... These are all re-mastered vector logo's.

http://img43.imageshack.us/img43/5630/retrologos.png

If you can't find anyone else to re-master them then I can.

J

kaszal
22-08-2011, 08:20 PM
Nice work!

I saw your RuneGFX website before but couldn't find the email address.


I've got someone else looking at them at the moment but it's good to know what you can do.

kaylon
22-08-2011, 09:14 PM
LOL..thanks for pointing that out.. added one now :)

J

kaszal
23-08-2011, 08:14 AM
Note: filmed in portrait mode so best viewed full screen in HD

http://www.youtube.com/watch?v=3gNl8Gx5ZpY

http://www.youtube.com/watch?v=_TEvQTMJCJQ

http://www.youtube.com/watch?v=Rd-nC7rxYXA

kaylon
23-08-2011, 09:00 AM
Nice vids... I NEED to get back to Stotfold...I am a member but have only been once way back in February...

Looked a stunning day :)

J

isobarik
23-08-2011, 11:36 AM
Note: filmed in portrait mode so best viewed full screen in HD

http://www.youtube.com/watch?v=3gNl8Gx5ZpY

http://www.youtube.com/watch?v=_TEvQTMJCJQ

http://www.youtube.com/watch?v=Rd-nC7rxYXA

Looking good luke.

mvh Isobarik

Btw if you are planning on having the steering made let me know how much it will be.

Moozo
24-08-2011, 07:20 PM
Luke
Do you still need them uprights mate, if so pm me you address and i'll send you a set:thumbsup:

Mick

kaszal
24-08-2011, 07:24 PM
Thanks Mick, but I've got some now.

I'll PM you the email of a someone who does need them.

kaszal
25-08-2011, 04:50 PM
...but I am after a pair of wishbones (new or mint preferably)

Has to be the version with the ridge all along the side (right)

I can trade other wishbones or parts or good old PayPal.

http://i103.photobucket.com/albums/m134/kaszal/wishbones.jpg

kaszal
27-08-2011, 09:19 PM
Fibre-Lyte did a great job machining these from my DWG drawings

(not expensive but had to order a couple as they have a minimum order value)

I had to use a 6mm drill to open up the holes slightly (0.1mm) to fit the bearings (3x6x2.5 flanged from RCbearings.co.uk)

I used some 3x4.5 shims for the crush tubes and spacers (see photos)

Finally, I checked for bump steer and changed the spacers accordingly.

btw the steering is much better since I fitted a KP201 Kimbrough mid-size servo saver.

http://i103.photobucket.com/albums/m134/kaszal/IMG_1693.jpg

http://i103.photobucket.com/albums/m134/kaszal/IMG_1700.jpg

http://i103.photobucket.com/albums/m134/kaszal/IMG_1704.jpg

http://i103.photobucket.com/albums/m134/kaszal/IMG_1705.jpg

http://i103.photobucket.com/albums/m134/kaszal/IMG_1716.jpg

http://i103.photobucket.com/albums/m134/kaszal/IMG_1722.jpg

http://i103.photobucket.com/albums/m134/kaszal/IMG_1723.jpg

http://i103.photobucket.com/albums/m134/kaszal/IMG_1690.jpg

gainsy
28-08-2011, 12:03 AM
That looks sweet Luke :thumbsup:

isobarik
28-08-2011, 04:55 PM
Luke i can se that you have used the force again.

put it on he page at fibre-lyte so we all can order.

mvh Isobarik

kaszal
28-08-2011, 07:33 PM
Use the force :lol: I used to hear that all the time at school.

I have bought a lot from Fibre-Lyte but I do not yet have control of their website so you'll just have to email them :thumbsup:

I will try to use my Jedi mind tricks "these aren't the parts you're looking for"

kaszal
29-08-2011, 11:47 AM
While I was fitting the new steering I replaced the undertray.

It had cracked along the joints so I paid special attention to cushioning the (brass) undertray strips as well as sealing it next to the chassis.

Again, the belt hole cutter came in very handy.

http://i103.photobucket.com/albums/m134/kaszal/IMG_1680.jpg

http://i103.photobucket.com/albums/m134/kaszal/IMG_1719.jpg

http://i103.photobucket.com/albums/m134/kaszal/IMG_1720.jpg

kaszal
29-08-2011, 11:48 AM
I'm selling these old links and other bits on eBay...

isobarik
31-08-2011, 07:50 AM
Luke is it possible o get the hubs for the works arms ???
Found some works arms but no hub.

Btw you dont have any rear roller driveshafts found alot of bearings for those.

Do you know if it possible to use the bosscat upperarm on the cat/procat.

mvh isobarik

kaszal
31-08-2011, 07:57 AM
The Works hubs are rare but parts turn up from time to time e.g. eBay.co.uk or eBay.com. Have Topspeed run out?

I wish I had a set of ballraced driveshafts :(

Yes I think the Bosscat upper arms should fit the Procat but you would need to use thinner spacers. You have some?

isobarik
01-09-2011, 10:26 AM
Yeah i found 2 pairs shall see if i have some thin shims so i can make em fit. I have the slipper layshaft but i havent got to test it yet shall see if i can make the kyosho or associated slipper fit. Since i have no schumacher dito.

Luke what are the part number foor the works rear hub ???

mvh Isobarik

kaszal
01-09-2011, 08:08 PM
I recently got some parts off this guy...

http://shop.classictoysandmodels.co.uk/

Very helpful and quick postage.

isobarik
02-09-2011, 09:09 AM
luke tried to fit an slipper on the new slipper shaft.
And no its no straight fit but its possible.

The shaft on the schuie slipper is 4mm and using a 3 mm nut at the end so descent from 4 to 3mm but its not 3mm all the way since just before the threads its 1/8 where the axial bearing lays damn otherwise it would have just been replacing the 4'8 mm bearing to an 3'8 and fit it.

So i took the inner slipper part of the kyosho ( 4mm ) and the outer slipper plate from the rc10T since they use inch so did it fit and yes it did so why dint i mount it then. Well the associated slipper has the guide for the ptfee washer on the outer slipper plate and of course kyosho has its on the inner slipper plate. I dont know maybe gluing 2 ptfe slipper washers togther to create the right thickness. Should work but i think i get the associated slipper parts for the B3 bore the inner plate and inseart an 4mm bushing/bearing should be cheaper and easy to get parts since the B3 seams to have more then 9 lives.

mvh isobarik

Moozo
02-09-2011, 10:48 AM
The part # is u1350....
what part of the slipper unit are you after.....may have it somewhere

Mick

kaszal
02-09-2011, 12:01 PM
I found a supplier that might have those hubs. I sent you a pm, Henrik :thumbsup:

CAN SOMEONE TELL ME THE WIDTH OF THE STANDARD PROCAT FRONT PULLEY T173?

I'D LIKE TO GET HOLD OF ONE IF SOMEONE CAN HELP.

Is there a different front pulley with fences that came with the 4wd super hex diff?

I have an overdrive pulley U289X and it's 7mm wide.

isobarik
02-09-2011, 02:02 PM
But Luke dont you have an mms pulley ???

mvh isobarik

kaszal
02-09-2011, 02:05 PM
Yes, but I'm planning something different and need a kit pulley.

J_WOODY
02-09-2011, 02:21 PM
the standard pulley i have is approx 6.5mm wide (t173x), unfortunately 2 off the the diff ball holes are well worn.

kaszal
02-09-2011, 02:25 PM
OK, thanks for looking

Any advice on using an overdrive pulley? It's 48T instead of the kit 51T

I don't run one-way driveshafts, just the front diff. Will that work with the 48T pulley?

J_WOODY
02-09-2011, 02:34 PM
OK, thanks for looking

Any advice on using an overdrive pulley? It's 48T instead of the kit 51T

I don't run one-way driveshafts, just the front diff. Will that work with the 48T pulley?


unsure on the overdrive pulley, mines had a mms diff sat in it for almost 20 years.

kaszal
02-09-2011, 05:44 PM
I think the Schumacher U194 Hi Torque belts are 2mm GT pitch

The GT is a product code from the manufacturer Gates indicating the round tooth profile. These grip better and are less prone to skipping.

http://i103.photobucket.com/albums/m134/kaszal/MXLvGT2.jpg

The original MXL belt had 324 teeth giving a pitch/length of 658mm

A similar length 2mm belt (660mm) would have 330T

This would be a great upgrade, as this was a weak point of the transmission.

(for the rear, a 73T 2mm belt would be similar length to a 72T MXL belt)

I wonder has anyone tried GT2/3 belts or have any engineering knowledge on this?

kaszal
03-09-2011, 08:27 AM
Wednesday 31 Aug 2011 at Stotfold

Thanks for the pics Stu!

http://i103.photobucket.com/albums/m134/kaszal/procat1.jpg

http://i103.photobucket.com/albums/m134/kaszal/procat2.jpg

gainsy
03-09-2011, 08:38 AM
No probs Luke :D
Did you see the video?
http://www.youtube.com/watch?v=wJIThRAEx60
I probably should have done it from the rostrom as the track was much easier to see up there, will know next time i crash out :woot:

kaszal
03-09-2011, 11:32 AM
I got some 2mm belts and unfortunately they don't fit the pulleys.

0.032mm does make a difference after all :(

On the original Schumacher U194 Hi Torque belts it says:

102072 x 5

3 338DS

What do these codes mean? 72 is the number of teeth and 5mm is the width but the rest?

Where can I can get an MXL pitch belt but with the rounded high torque teeth?

p.s. thanks for the vid, Stu :thumbsup:

Moozo
03-09-2011, 01:15 PM
Luke i'm sure i have the front pulley somewhere will look and let you know mate, Mick

kaszal
03-09-2011, 01:47 PM
I already found one Mick but thanks for looking.

Do you know anything about MXL and round tooth profiles?

I'm looking for a "high torque" replacement for the long belt.

kaszal
03-09-2011, 03:07 PM
I put this in the Schumacher section in case any of the top boys can help...

http://www.oople.com/forums/showthread.php?t=79537&referrerid=7282

QuackingPlums
03-09-2011, 08:03 PM
OK, thanks for looking

Any advice on using an overdrive pulley? It's 48T instead of the kit 51T

I don't run one-way driveshafts, just the front diff. Will that work with the 48T pulley?

Hi Luke,

The overdrive is a drop-in replacement for the kit pulley. It won't fit the MMS front parts IIRC.

I always preferred the overdrive previously as it allowed me to run the narrower tyres up front whilst maintaining the steering capability. Personally I also preferred the lighter front end but ymmv. Front one-ways probably wont make any difference since the front axle is now always faster than the rear.

As you know, my restoration project is still ongoing so I haven't had a chance to try this configuration with new electronics. Given that I now have a new distraction who was born on Tuesday morning, this probably means I won't get to race it for a while! :wub

Eric

kaszal
03-09-2011, 09:23 PM
Hi Eric. Firstly, congratulations... and good luck!

Thanks for the tips on the overdrive pulley. I have the hex diff alloy washer carriers to go with it. I've also ordered a wider long belt from SDPi to help with the power transmission (6mm instead of 4mm)

So were you using 2wd drive front wheels Masami style? What tyres?

I don't use the one-ways at the moment. Do you think it matters?

EDIT: how did you keep the belt running centrally? Isn't mine going to wander off to the side?

(Can you also explain your code IIRC and YMMV?)