Quote:
Originally posted by Jon Lawton
Hrm... well, how about two transmissions, one on the Chip, and one on the Drill? They would have to be shifted in tandem, and it would add more complexity, of course, but that sounds like a safer way to go? Do you think it is worth experimenting with one transmission? Actually, does anyone know where we can find the specs on the drill motor transmissions? Thank you very much for your input! 
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Using two transmissions would be a possibility. Also, if you are making a tranmission, you might design the home made gearbox to be strong enough to handle both the drill and chip motor. Then you would only need to shift one set of transmissions. If you did that, you might want to use the drill trans in high gear to get about 1000 rpm for the input to your home made transmission. The cluster gear that comes with the chip motor should turn about 1125 rpm with no load.
I don't know the specs of the drill transmissions, but maybe they are out there somewhere. (Joe J.?) I think the ratios are published, but I don't know about torque handling specs. From our experience, though, they rarely break, but 'grinding gears' will damage them is fairly short order.
A disclaimer:
I am not much of a 'nuts and bolts' designer, but I am knowledgable about characteristics of DC motors and how they behave when used to power robots, etc.
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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.
Last edited by Kit Gerhart : 01-08-2002 at 10:14 AM.
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