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#1
13-10-2008
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breaking diff rings
Hi, speaking for pred X11 team Belgium because the driver his English isn't so well.
We have a circuit in Belgium with a loooong straight, and at the end there is a very steep hill, so you have to hit the brakes VERY hard to prevent yourself from flying 15m high and end up in a tree(I did it with B4  )We put the pred out to race there and we brake the diff rings all the time, causing the diff gear to sit misformed and stripped away. The car is superb, except this  . I have only had broken diff rings caused by tightening it to hard.loosening the slipper is no solution because we won't make the double jump anymore. loosening the diff is no solution 'cause it would slip before the slipper. what should help is that the outdrive should support the diff ring better, so it wouldn't break anymore. Anyone else any input?
__________________
www.rc-offroad.be Never argue with a stupid man. He will drag you down to his level and beat you because of his experience. 
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#2
13-10-2008
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which diff rings are breaking coops - is it the front ones or the back ones?
There must be another problem in the transmission causing the diff to move hence the diff rings breaking i would have thought. Are you sure the diff is sitting in the bearings securely?
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#3
13-10-2008
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at the back
 He had it also with transmission I build, can't imagine anything he did wrong.
__________________
www.rc-offroad.be Never argue with a stupid man. He will drag you down to his level and beat you because of his experience.
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#4
13-10-2008
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Are the driveshafts catching or bottoming out in the outdrive under full compression? thats the only thing i can think of that would load the diff plate up that direction.
its a long shot but he hasn't got the wrong driveshafts in there has he?
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#5
13-10-2008
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Could be the driveshaft but I don't think so in my case. Will ask him though to be sure.
I have only broken one because I tightened the diff to hard when it was slipping. A hit against the wheel caused it to break. If the outdrive would be a bit larger in diameter on the diff ring side this would never be a problem
__________________
www.rc-offroad.be Never argue with a stupid man. He will drag you down to his level and beat you because of his experience.
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#6
13-10-2008
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Quote:
The outdrive has a small contact area becuase the diff ring is the spring, if you increase the size of the contact area without doing anything else you would lose the spring action.
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