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Re: FRC 2012 Ball Launcher by iR3
Quote:
Originally Posted by Dan Richardson
We are actually doing our best to track down a tachometer but theoretically CIM motors free speed around ~5310 rpm.
We currently have it configured as a 1 stage reduction 14 CIM Gear to 40 Tooth Gear. So a gear reduction of roughly 2.85:1.
5310/2.85 = 1863.15 RPM
Taking into account the mass moment of the wheels and some inefficiencies maybe like 1400 rpm @ around 75% efficiency?
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Thanks! We did the math on a half-court shot and the surface speed of a 6" wheel is in that order.
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Team 1551
"The Grapes of Wrath"
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