Gary Manuel
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how to measure engine mount location ?
Gary Manuel replied to richard cohen's topic in All Things Model Flying
At the risk of sounding like a smart alec, you cound try a bit of maths - don't worry, it's not too bad as long as you can use a calculator. The formula is: Offset from centre line = L x TAN(DEGREES) where L is the distance from the firewall to the prop driver and DEGREES is the required right thrust. TAN is the TAN key on the calculator - you dont need to know what it means. So for example, Your L might be 150mm and the required right thrust 3 degrees. Your offset would be 150 x TAN(3) = 7.86mm - call it 8mm. -
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