Thread: suggested gear ratios
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Unread 06-01-2009, 21:11
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Kit Gerhart Kit Gerhart is offline
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Re: suggested gear ratios
Quote:
Originally Posted by Bruceb View Post
Was wondering if anyone can give me a suggested gear ratio for this years bot at full weight running 2 cims that will give the wheels 10 fps? I know I can calculate the unloaded ratio using 5200 as the cim rpm but I don't know how to figure the rpm loss due to bot weight.
Thanks
Bruce
Bot weight is only a factor while accelerating, or while spinning wheels in a pushing match. To calculate speed you would attain after the wheels quit spinning on the slick surface while accelerating, you shouldn't be far off by basing your calculations on 4500-5000 rpm.
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