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Unread 16-01-2002, 08:47
Joe Johnson's Avatar Unsung FIRST Hero
Joe Johnson Joe Johnson is offline
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You might get away with it...

I suppose that you might get away with gearing up the Chiaphuas and stuffing both into the Drill Trans.

One one problem is going to be inertia. You may be able to get away with the static loads, but the rotary inertia of the two motor (and gearing) may cause a very large dynamic loading condition.

For example, if your robot hit a brick wall and the wheels stopped very fast. The gearbox would have to stop the armatures of the motors. This can be a very large force. I typically use a fudge factor of 2 to account for the higher dynamic forces. But in this case, perhaps a higher fudge factor would make more sense.

Shifting must be pretty important for so many folks to be thinking about putting so much torque into so little of a transmission ;-)

Joe J.

Last edited by Joe Johnson : 16-01-2002 at 15:54.
 


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