Thread: Crazy Crab
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Unread 04-03-2009, 00:44
prometheoid prometheoid is offline
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AKA: Ray
FRC #2538 (Plaid Pillagers)
Team Role: Mechanical
 
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Re: Crazy Crab

My team did crab this year. We have no machining resources available in our build space, and our primary machining sponsors work only in steel. We had three plates machined out of 16 gauge steel and used toughboxes for each wheel "pod". The system is steered with a single globe motor distributed to each pod by timing belt.

Even with the heavy steel parts, with conservative building techniques for the rest of the robot we have come up almost a pound light. Crab systems don't have to be only for the well endowed teams.

Note- We'd probably need more steering torque if the game this year wasn't played on hard plastic.... so that's more weight if you're thinking longterm.