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Unread 29-03-2010, 09:25
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Re: Ball posession: Roller (ball magnet) or vacuum?

Quote:
Originally Posted by waialua359 View Post
Ours doesnt work quite like how you describe it. When the robot is idle, the ball doesnt spin since its wedged so tight with the roller. ... My point is that the ball doesnt have to be continuously spinning to achieve constant possession of the ball moving backwards.
Of course. There is more than one way to skin a cat.

Two-roller ball magnet designs in which the ball does not rotate continuously when possessed have already been described in this thread:

http://www.chiefdelphi.com/forums/sh...0&postcount=63

http://www.chiefdelphi.com/forums/sh...2&postcount=60

http://www.chiefdelphi.com/forums/sh...9&postcount=56

Question for you: is the lower bar in your design fixed or is it free to spin?


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