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Unread 20-02-2013, 19:05
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Paul Copioli Paul Copioli is offline
President, VEX Robotics, Inc.
FRC #3310 (Black Hawk Robotics)
Team Role: Engineer
 
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Re: Banebots 775 1:1 p60 transmission

If you are only needing 1:1, then there is plenty of meat in the input and output stages to mill down to the same size as the P60. The ring gear drove the width of the VP. We tried to get down to the same size as the P60, but the number of ring gear teeth is sort of a magic number for planetaries as you can get 3, 4, 5, 6, 7, 8, 9, and 10 to 1 ratios with the exact same ring gear so we made the size trade-off.

Of course, for your situation, the 1:1 will work if you mill the sides down.

Paul
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In full disclosure I am the President of VEX Robotics, a division of Innovation First International.