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Originally Posted by Andy Baker
181:1 is a middle-of-the road reduction for a arm movement on a FIRST robot. 25rpm is almost 180 degrees rotation in 1 second. That is moving pretty quickly. Last year, on the TechnoKats robot, the arm reduction was 406:1. This arm could lift a tetra from the floor to above a goal in a bit over 2 seconds.
Regards,
Andy
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Just for reference--45's arm, or an arm using the planetary?