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Unread 04-02-2017, 17:22
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chapman1 chapman1 is offline
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FRC #3688 (Suttons Bay Norsemen Robotics)
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Join Date: Mar 2011
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Re: 2.5" CIM Motor stops when climbing

I have enough power to climb a hill on my bicycle... but I cannot do it quickly. I have to do it very slowly. I must shift to a lower gear ratio in order to do it without getting too tired.

Similarly, the CIM motor has enough power to lift your robot, but it cannot do it quickly. It must be (as we say in the US) "geared down". That means, you will have to use a small gear on the motor shaft to drive a shaft with a larger gear. That same shaft may need a small gear driving another shaft with another large gear. Eventually, the power will be "geared down" enough to lift your robot. A gearbox is another way to do it.

Another thing that could help is to wind your rope onto a smaller diameter. That too will have the effect of "gearing down" the CIM.

Good luck, and I hope we have been helpful to you!
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Older, but still somewhat coherent.

Last edited by chapman1 : 04-02-2017 at 17:24.
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