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Re: 1726 arm prototype video
How much have you played with the geometry of the gripper fingers and the extension length? From the only two I got to see from 07, 25's had a really solid grip on the tubes with what seemed like only two direct contact points. Ours OTOH had the fingers wrap around the tubes. There might be some type of uniform design that'll work for all 3 tubes.
With tube
No tube
Open gripper
In action!
Hope it helps with more ideas for the gripper!
Good luck ya NERDS 
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My posts and opinions do not necessarily reflect those of my affiliated team.
['16-'xx]: Mentor FRC 2170 | ['11-'13]: Co-Founder/Mentor FRC 3929 | ['06-'10]: Student FRC 11 - MORT | ['08-'12]: Founder - EWCP (OG)
Last edited by Akash Rastogi : 02-02-2011 at 23:08.
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Bottom line: I would suggest that you walk a mile in our shoes and volunteer to be an inspector at your next event... - Mike Betts [more] 
02-02-2011, 23:03
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