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Re: Which motor to use for the vaccum? (ball gripper)
We used the 2012 FP motor and the first gear out of the 2006-2009(?) FP gearbox, with a custom shaft made in a lathe by turning 3/8" aluminum hex bar round on the ends to fit into 3/8" ID bearings. We were aiming for about one second ball travel from the floor to the top of the robot, and the chain reduction slows it down enough so that it does that.
The gearbox was made using a drill press and a 7/8" Forstner drill bit.
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