formula for prop slip ??
can anyone give me the formula for prop slippage ?? :rolleyes:
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Re: formula for prop slip ??
RPM divided by gear ratio x pitch divided by 1056 = theoretical speed
Actual speed divided by Theoretical speed = propeller efficeincy % 100% - propeller efficency % = % slip OR go here http://www.go-fast.com/Prop_Slip_Calculator.htm Julie |
Re: formula for prop slip ??
thank you matt and julie for your quick responce!! according to that formula my props have a 6% slip factor and my spare props have a 10 % slip factor , is this a good % of slippage??
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Re: formula for prop slip ??
10% is very good, 6%, theres something wring with your numbers
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Re: formula for prop slip ??
Keep in mind that the end result, of slip % will only be as accurate, as the numbers we use in the formula. So if any of your numbers are inaccurate then the slip% is not accurate. Hope this helps.
Julie |
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