13-05-2014, 00:20
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Centenary '18
AKA: Graham Maxwell
 FRC #1818 Team Role: Mentor
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Join Date: Jan 2012
Rookie Year: 2011
Location: Alexandria, LA
Posts: 535
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Re: Ball Shifter Force Requirements
Quote:
Originally Posted by craigboez
As an offseason project, I'm considering developing a non-pneumatic shifter for the Vex Pro ball shifters. It would seem that the pneumatic cylinders supplied with the kit provide more than enough force to use reliably, and servo setups have been attempted a few times without success. Somewhere in the middle is the tipping point between sufficient force and not enough.
Has anyone collected data on how much force is required to engage the ball shifter under load?
Has anyone used a non-pneumatic means of shifting the ball shifters that they'd like to share?
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think 67 used window motors one year
__________________
The Cowboys - FIRST Robotics Team #1818 2015-
The Bolton Bear Bots - FIRST Robotics Team #3666 2011-204 (30-26-0)
2014 Oklahoma Regional - 20/62 (6-4-0), 5/62 in OPR
2014 Arkansas Regional - 14/39 (8-7-0, Quarterfinalists with 1706 and 1939), 24/39 in OPR
2013 Lone Star Regional Dean's List Finalist!
2013 Lone Star Regional - 22/57 (6-5-0), 17/57 in OPR
2012 Bayou Regional - 16/49 (6-5-0)
2011 Dallas Regional - 10/52 (4-2-5, #6 Alliance Captain, Quarterfinalists with 2948 and 3350)
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If you have to build the best robot to be inspired then we end up with one winning inspired team, and 999 losers. That is not the spirit of FIRST. - KenWittlief [more] 
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