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Originally Posted by meaubry
It is because the shifter is on the transmission side and therefore can be coupled with any of the motor transmission combinations relatively easily. Last year we drove with the motor transmission described without a single issue or repair of the motor transmission set.
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Yes, I agree with Mike A. The shifter can be applied to any gearbox easily. The WHY is an open question, but I can think of reasons to apply the shifter to other gearboxes.
It is possilbe that future FIRST games will involve balls. One of the things about ball handling is that it is nice to have FAST rollers but with fast rollers that JAM come high current and (perhaps) toasted motors. One may decide to put a shifter on the ball roller transmission to allow for jams to be cleared in a low gear while normal operation involves the higher gears.
Also perhaps you want to drive with the Fisher Price AND a Chiaphua, you may just put 2 Dewalts on each side rather than going to the bother of designing a 2 motor input to one Dewalt. In this case, a shifter on both a F-P and a Chiaphua will be nice.*
Joe J.
*Note that FIRST will have to open up the rules on servos to make this legal because only 2 per robot were allowed in past years.
Joe J.