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Unread 24-06-2002, 00:51
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#0047 (ChiefDelphi)
 
Join Date: May 2001
Location: Pontiac, MI
Posts: 21,214
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FP to drill to wheel

Posted by Shawn McMahon at 2/15/2001 7:04 PM EST


Student on team #263, Aftershock, from Sachem H.S. and Symbol, Citycorp., Apoge, CA ....


In Reply to: Re: We're using both motors also
Posted by Jason Rudolph on 2/14/2001 3:29 PM EST:



I designed the drive system and I believe (have so many #'s in my head can't remember quite right anymore) we have a 3:1 from the fp to drill, then a 1:2 from the drill to the drive axle. I calculated it all out and at that ratio, running 50% rpm on both motors (most power) and 70% efficiency we should be able to pull our robot +130lbs up the 15-degree bridge at 4ft/s. We haven't tested it. We're testing it tomorrow. It should work well. If not we can just switch out a sprocket or two.


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