"John T" wrote in message
m...
wrote in message


It may be an optical illusion, but engine RPM for a fixed
throttle/mixture setting will most definitely change because of the
air, otherwise there would be no reason to have a mixture control.

Would the use of a constant speed prop change your equation?

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John T
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No, since there is a concept of a "dead zone" where there needs to be a more
than a minimum change for a the servo to react. Otherwise a concept of
"hunting" kicks in and the RPM constantly change and "hunts" for a center of
the constant RPM speed.

--
BobF.