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Unread 19-01-2007, 21:45
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Re: Fisher Price Motors

just get a monster gear ratio and thats it!

althought that might weight a little too much
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Unread 20-01-2007, 00:25
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Re: Fisher Price Motors

Worm gear.
Pluses, a single lead stays where you park it. Power off
Down sides, very high friction loss and gear ratio. things may move way slower than you want. I would stay away from FP's on highly loaded arms, they smell real bad when stalled. Consider moving FP's to drive along with a pair of Cims if you are doing tank drive. Andymark http://andymark.biz/am-0002.html Makes a gear box to match Fp's to Cims. you only lose about 5 to 7%. Almost used one last year As a shooter motor.
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Unread 20-01-2007, 00:29
CraigHickman
 
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Re: Fisher Price Motors

I highly suggest using the disc brakes from preformance off road bikes. With one of those, you can stop solid a 4 CIM drivetrain to the point of stalling. It's more than light and simple enough for your job.
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Unread 20-01-2007, 01:46
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Re: Fisher Price Motors

I'm surprised no one has mentioned worm gears.

We're going to have worm gears at every moving joint on our robot this year.
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Unread 20-01-2007, 03:31
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Re: Fisher Price Motors

Like they've said.. Worm Gear. Here's our's from 2004 used as a winch to lift ourselves up. A little video of it is here here
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