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Old Jan 24, 2005, 05:31 PM
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How do you figure out gear ratio ?

If I know my main gear, pinion, and prop size I should be able to figure this out right ? Any help is appreciated as I have forgotten how to determine the gear ratio.
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Old Jan 24, 2005, 05:47 PM
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Haralson County GA. USA
Joined Oct 2004
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Quote:
Originally Posted by akamiker
If I know my main gear, pinion, and prop size I should be able to figure this out right ? Any help is appreciated as I have forgotten how to determine the gear ratio.
Prop size makes no difference.
Ratio is spur (main) number of teeth divided by pinion number of teeth.

66/10=6.6 or 6.6:1


Charles
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