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Unread 20-04-2015, 18:59
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BBray_T1296 BBray_T1296 is offline
I am Dave! Yognaut
AKA: Brian Bray
FRC #1296 (Full Metal Jackets)
Team Role: Mentor
 
Join Date: Jan 2011
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Re: Accuracy of Omni drive?

Quote:
Originally Posted by teslalab2 View Post
I was wondering if any one had experience with 4 wheel X shaped omni drive.

Thanks
I would like to make the observation that an 'X' shaped omni-wheel drivetrain cannot rotate.
If the center of gravity is along the line of action of all 4 wheels (ie: in the intersection of the 'X' [ie: in the middle]) no wheel can exert a moment on the robot generating rotation.

An 'O' or diamond shaped configuration can turn by moving all wheels clockwise or CCW
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Last edited by BBray_T1296 : 20-04-2015 at 19:02.