Thread: Do you have to use 2x1x1/8" tubing for a WCD?
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Unread 16-04-2012, 13:33
Mr. Van Mr. Van is offline
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Re: Do you have to use 2x1x1/8" tubing for a WCD?
We've used a "poor-team's" version of WCD for several years now. I hope I can make this make sense without pictures...

We put oversized holes in the 1x2x0.125 chassis rails to allow for the live shaft to be adjusted both horizontally and vertically. The bearings are actually supported on 0.25" plates that are "boxed" around the rail. These bearing plates are actually on the outside of the frame, held square by a plate across the top and bottom. The overall result is that we are able to adjust our outside wheels horizontally for chain tension and vertically to control the amount of center drop we need. Once the center drop amount is fixed, we simply place a shim between the bearing block cross plate and the chassis rail.

I suppose this system could be adapted to any chassis rail structure, as long as it was stiff enough.

- Mr. Van
Coach, Robodox
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