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#1
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Cougar Sv layshaft
Is it a good idea to glue in the needle pins to the layshaft before putting the o rings on. I ask because my first gearbox shredded when a pin came out!
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Team Schumacher www.racing-cars.com Paint by www.customblitz.co.uk Feedback http://www.oople.com/forums/showthread.php?t=67178 |
#2
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i wouldnt
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Mattys the driver,my names carl
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#3
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Could you use roll pins instead of the solid pin? A good tight fitting one? Saw a couple of cars had these pins coming out at the weekend. Mine seems fine so far. Not sure why these were coming out. Any ideas?
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PBM Racing 01773 769323 TEAM XRAY RC DISCO |
#4
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Where trying a thicker o ring.
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#5
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My theory is that the original o rings are too soft and expand too much under the centrifugal force generated by the fast rotation hence the ring comes off or, expands sufficiently to allow the pin to fall out. Not 100% sure though.
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#6
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Why not Carl? Fair play to schuey for replacing my damaged parts this time ( which suggests to me that they know this could be an issue) but I doubt they would keep replacing parts in these circumstances.
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#7
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what happens when you need to remove them, check pin edges make sure there smooth (rounded of )
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Mattys the driver,my names carl
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#8
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The first pins I had were fine and so are the replacement pins I have. Was thinking of using loctite retaining compound which I have experience with in other applications at work. This would defo hold the pin during running but one sharp tap of a pin punch would release it if necessary.
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Team Schumacher www.racing-cars.com Paint by www.customblitz.co.uk Feedback http://www.oople.com/forums/showthread.php?t=67178 |
#9
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Steveb has had this issue too. So they replaced what bits?
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#10
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Idler gear, layshaft gear, 2 pins, 2 o rings, diff gear and gear box casings. Spoke direct to PB and he agreed to do this.
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Team Schumacher www.racing-cars.com Paint by www.customblitz.co.uk Feedback http://www.oople.com/forums/showthread.php?t=67178 |
#11
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What I have used and let all US drivers in on is a external snap ring size of 7/16". It looks like the ring for the thrust bearing, but the ears face out, and obviously larger.
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Star RC Imports on Facebook. Stop in and say hello! |
#12
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do you have a pic of the o-ring Raul?
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SHUMACHER CAT SX SHUMACHER COUGAR SV |
#13
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They're also known as circlips. Thanks again Raul. |
#14
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I have had both o rings let go both with no damage, I had to run it for a race with all the o ring debris still there and no o ring. The originals are smaller than the replacement ones I have fitted thus they where under stress to start with.
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Trader feedback:-http://www.oople.com/forums/showthread.php?t=78095 It was once said to me, if you light the blue touch paper you need to stand well back[/CENTER] |
#15
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Have emailed Schumacher this morning and will go from there.
SteveB if he gets time (work pressures) will prob call Phil at Schumacher. |
#16
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Thanks for the pic Lamar.
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Star RC Imports on Facebook. Stop in and say hello! |
#17
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Who makes these?
I'll be taking mine apart tonight and expect it to be the same |
#18
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i think a better question would be to ask why there are drive pins inside the gearbox at all. i am sorry to say that, in my opinion, its a really poor design especially when there is potential for them coming loose and wrecking the gears. its a pity they didn't copy the B4/X6 gearbox style for this car - funnily enough there are no drive pins in those gearboxes - its almost like they knew what they were doing
on second thoughts, maybe they will just fall out of the gap at the rear of the gearbox before causing any damage ! |
#19
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I have wonder why the layshaft isn't one piece...
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#20
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Quote:
It'd make a lot more sense,and are people really going to be changing the internal ratio that often? It'd still make more sense to just swap layshafts instead of disassemble/reassemble. |
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