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Unread 17-02-2012, 21:37
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Ether Ether is offline
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Re: Gear ratios for launcher

Quote:
Originally Posted by iambujo View Post
we are using the 00801-0673 on the AM 3.67:1 planetary gearbox ...and 1:1 final chain drive...final max speed of 2200 to 2300 RPMs.
2250 * 3.67 = 8258 motor RPM

0673 @ 12 volts @ 8258 RPM is pulling 68.5 amps and generating 512 watts of waste heat.

This seems like it would either trip a breaker or smoke the 0673.

Are you sure of your numbers?



Last edited by Ether : 17-02-2012 at 22:47.
 


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