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Unread 25-04-2016, 19:15
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Re: pic: WIP 3 CIM 2 Speed All Belt Cim Above Tube Gearbox

Quote:
Originally Posted by Colin Small View Post
Just curious, what'd you guys do to get it to work smoothly (for the most part) win one pneumatic?
For it to work smoothy the goal is to have the moment supported by something other than the pneumatic shaft and shifting shaft. The strength of the connecting plate isn't a huge concern, it can be made stiff, the joints are the problems. There are a few different ways to do this. The option chosen for the gearbox this year involved flipping the pneumatic, having the plate mounted to the back of the pneumatic and have the whole cylinder move inside a plastic bushing that took the load. This can be seen pretty clearly with more examination of the posted gearbox picture.
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