Thread: Banebot Transmission Issues
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Unread 28-01-2007, 21:55
Ben Piecuch Ben Piecuch is offline
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Join Date: Jun 2001
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Location: Providence, RI
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Re: Banebot Transmission Issues
Whoa, let me get a grip on what you're saying here Joe.

You're saying that the FIRST Supplied Kit gearbox, the 56mm, small CIM, primary drive 12:1 ratio gearbox is barely adequate (about 2x factor of safety) for a single CIM install under cyclic loading. Yet, FIRST and Banebots offer a 2x CIM adapter for use in these exact transmissions? Doesn't this 2x CIM adapter effectively reduce my factor of safety on that double-D to 1x?
(I won't even get into the gear change option that brings this gearbox to a 16:1 ratio...)

Is this a good thing? Am I supposed to feel confident in the fact that FIRST and Banebots have given us a product to hang ourselves with? And, to discover this at week 3 into our build? I'm a little disturbed here!

I can understand doing my own Due Diligence on a COTS part that I purchased for my robot. But I should't expect to have to do the same to a FIRST supplied and mechanically approved part(s.) Correctly me if I'm wrong here, Joe. (Please...)

BEN