Thread: High torque that can be purchased.
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Unread 27-03-2011, 15:31
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Re: High torque that can be purchased.
Our Banebots started doing the same thing so as soon as Fisher Price gearboxes got in stock in AndyMark, we jumped on the opportunity:

Basically we got this: http://www.andymark.com/ProductDetai...ctCode=am-0822 (the motor) and used their planetary GEM gearboxes and stacked multiple ones to get the ratio we want:

First stage: http://www.andymark.com/ProductDetai...ctCode=am-0449
Additional Stages: http://www.andymark.com/ProductDetai...ctCode=am-0301

After we put this beefy thing in, we don't expect to have any more gearbox problems. Be forewarned, the whole assembly for a 180:1 ratio for us weighed about 7 pounds...