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Unread 15-10-2014, 01:25
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Electronica1 Electronica1 is offline
Former Design and CAD Captain 1086
AKA: Alexander Kaplan
FRC #0401 (Copperhead Robotics)
Team Role: Mentor
 
Join Date: Aug 2010
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Re: pic: Can anybody give me advice on my Butterfly drive that I am working on?

Quote:
Originally Posted by Dunngeon View Post
What's the justification behind using belts/chain to connect the two sides? One of the major benefits of a Butterfly setup is the increased mobility of the 4 Omni wheels when driven independently.
From what I understand, a lot of teams with butterfly link the wheels on each side together so that they don't loose power during a pushing match due to a wheel loosing contact with the ground.

Quote:
Originally Posted by Dunngeon View Post
Another question, with the traction wheels on the outside, its possible that with a scrub-steer setup and 4wd; That the robot won't be able to turn smoothly since the wheelbase is so long. It would essentially jitter (bounce) over the ground as the side wheels move in opposite directions. Not saying it would happen to this robot, since I don't know it's final weight; but my recommendation would be to place the omni's on the outside and the traction on the interior. It's what nearly every other implementation of Butterfly uses. See this butterfly implementation
Just an fyi, they had the traction wheels on the outside.

Last edited by Electronica1 : 15-10-2014 at 01:30.
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