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-   -   Enough Rear and Mid motored buggies! (http://www.oople.com/forums/showthread.php?t=44869)

Funkymojo 26-04-2010 06:27 PM

Bloodclod's home built buggies never fail to amaze me. First was his mid motor RB5x and now this and the best thing is that all his buggies work and handles really well. Lastly, he's a great driver too. BC you're my hero!! :lol::thumbsup:

OldTimer 26-04-2010 07:30 PM

Looks really cool :thumbsup: and refreshing to see something a bit different.

Alfonzo 26-04-2010 09:50 PM

We started to design a modern replacement for the FF a couple of years ago but never got it finished. But you did so congratulations! Looks great!:thumbsup:

Rebelrc 27-04-2010 02:10 PM

Looks excellent...but is it brca legal?

BloodClod 27-04-2010 04:24 PM

Thanks everyone for the very kind comments.

I'll post some more detailed pictures of the various parts of the project, the steering in particular is one of the more unusual setups, designed to fit a bellcrank system into a chassis where space is a premium. :lol:

I've also got a V2 chassis drawn up to give the front arms more "kick-up". It would have been cut from carbon fiber today too if not for a loose nut on my mill... messed up my tolerances and wasted good portion of costly CF plate. Oh well... there are days one should just know when to take a break. :)

Will try to get some videos taken at the next run...

BRCA legal? As I'm not from your neck of the woods I'm not so sure about BRCA rules - but as far as dimensions go I designed the car to be very very close to the RB5.

OldTimer 27-04-2010 04:32 PM

According to the brca rules it would be legal :)

23.1 Two wheel drive cars (2WD) are those having only one pair of driven wheels on the same axle. Either the front or rear axle may be driven.

warped 27-04-2010 05:16 PM

It would fail the BRCA control tyre rules for the rear axle.

pita 27-04-2010 05:20 PM

nice project, any video in action?

OldTimer 27-04-2010 05:23 PM

But the national entry from only advise minispikes and no part number, so you could use a slim 2wd front minispike maybe ?.

warped 27-04-2010 05:54 PM

The exact wording of the rules is slightly ambiguous, but.................................

The entry form refers to rear tyres, and schumacher tyres are labelled as front or rear on the packaging.

It would certainly be an interesting conversation with the scrutineer.

MHeadling 27-04-2010 06:20 PM

Lets see a Atomic Carbon CR2 FWD??!! :woot:

Chrislong 28-04-2010 02:32 PM

Very interesting and different, good work on making this car up! Id race one of these in the winter if produced! :thumbsup:

BloodClod 28-04-2010 06:24 PM

Hey I might just ask one of my friends to race this at the next race here, I think it would do very well!

Here are some pictures of the steering on my FF buggy...

Instead of the pivot point being in the middle of a bellcrank, I moved the pivot point right up front and this allows it to actually sit on the sides of the front gearbox, close to the outdrives. To achieve this, the bellcranks actually mount to the upper deck instead of the lower one. The bellcranks now pivot forward instead of backwards in a typical setup.

This took a long time to figure out how to get everything working freely but it's working!

Bellcranks mounted on bottom side of upper deck
http://www.cool.per.sg/external_link...project_17.jpg

That's all the space there is between the servo and the front gearbox.
http://www.cool.per.sg/external_link...project_18.jpg


Today I cut new chassis plates out of carbon fiber and while I was at it I decided to make some small changes. I changed the shape of the upper deck slightly to add strength to some areas (although I didn't really have any problems with breakage yet) and removed some area for aesthetics.

Biggest change to the bottom chassis is that I've modified it to give more front kickup. The hingepin mounting block used to be mounted on top of the lower deck but now it is sitting flush with the bottom of the upper deck. This is done via spacers which will also allow me to add or remove "kick-up" if I need it.

In case you're wondering, the hingepin blocks come from a DB-01. :)

Hingepin blocks now sit flush with chassis bottom to give more "kick up"
http://www.cool.per.sg/external_link...project_15.jpg


Pic of everything mounted up in front.
http://www.cool.per.sg/external_link...project_16.jpg

BloodClod 28-04-2010 06:25 PM

Doesn't everything look better when it's in carbon fiber? lol!

http://www.cool.per.sg/external_link...project_14.jpg

Mr. Pink 28-04-2010 06:50 PM

Very impressive build!
You might get copied...;)
Had also the same thoughts of a reversed rb5 about a year ago but the efforts were spent om my rb5 mid at that moment. Have you narrowed the DB-01 front? I still can not figure out how to get tha lazer-sp/fs front narrow enough to get within 250mm with wide rims mounted.

/Johannes

rcjunky 28-04-2010 07:05 PM

everything looks better with some cf and new tires, looks amazing

mrspeedy 28-04-2010 09:48 PM

Amazing job you've done there :thumbsup: looks the nuts ...

I'd be interested to see some more detail shots of the front and rear suspension hub bits .....

I started on a B4 mock up earlier this year but didn't see it through .... still got the bits tho ...

ojoloco 29-04-2010 01:23 AM

Quote:

Originally Posted by BloodClod (Post 371601)
Doesn't everything look better when it's in carbon fiber? lol!

http://www.cool.per.sg/external_link...project_14.jpg

:woot::woot:

Even better now. Great work!!

I'd like to make something similar once i finish my 1/8th electric project :yawn:

BloodClod 29-04-2010 02:53 AM

Quote:

Originally Posted by Mr. Pink (Post 371611)
Very impressive build!
You might get copied...;)
Had also the same thoughts of a reversed rb5 about a year ago but the efforts were spent om my rb5 mid at that moment. Have you narrowed the DB-01 front? I still can not figure out how to get tha lazer-sp/fs front narrow enough to get within 250mm with wide rims mounted.

/Johannes

lol! It would be interesting to see more FF buggies around - do build and share!

Yes, I have narrowed the DB-01 front end. It's done at the suspension blocks. Currently the front of the car car is running a Kyosho RB5 narrow hingepin block in front and DB01 blocks in the rear. The DB01 blocks as pictured are separate pieces so they are easily positioned.

In the end the car comes to a hair under 255mm wide in front from edge of tire to tire.

bender 29-04-2010 04:03 AM

Not sure of your local rules but i thought the ifmar standard was maximum 250mm wide?

Regardless, the project looks fantastic and once you have it all completely finished perhaps you might be able to sell a conversion kit?

I have an RB5 and the Durga parts are easy enough to get so I'd love to drive one :thumbsup:


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