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Unread 09-01-2002, 23:36
Kit Gerhart's Avatar
Kit Gerhart Kit Gerhart is offline
Mentor, coach, whatever--
FRC #0233 ("The Pink Team")
Team Role: Mentor
 
Join Date: Nov 2001
Rookie Year: 1996
Location: Cape Canaveral, FL USA
Posts: 559
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Last year--drill and F/P together

Last year we connected the drill and Fisher-Price motors end to end, ran the output of both through the drill gearbox, and drove our track drive from the output of the gearbox. While the no load rpm of the drill motor is higher than that of the F/P's, the difference is fairly small. We had them running at the same speed and it worked pretty well.

This year, I suspect that most of the four motor drive trains will use the drill motors and the new Chiphuas(sp).
There is a big rpm difference between the drill motors and the Chiphua's, ~20,000 vs ~5500 so the motors need to be geared separately to match rpm at the load point.
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Team 45, TechnoKats, 1996-2002
Team 1062, The Storm, 2003
Team 233, "The Pink Team," 2004-present

The views I express here are mine, and mine alone, not those of my team, FIRST, or my previous teams.