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Unread 14-12-2015, 22:15
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Re: FRC shifting gears

Quote:
Originally Posted by jkelleyrtp View Post
What kind of force is needed? I saw a supershifter demo with a servo that put out around 9 lbs but it was no where near as snappy as the pistons.
9 lbf is not a legal FRC servo. Unless it's insanely slow... servos are only 4W in FRC, and I find it very difficult to comprehend a 9 lb force out of a 4W servo. Also, factor in the load of a moving drivetrain.

60 psi on a 3/4" diameter cross-section seems to do the trick nicely.
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