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Posted: Tue Nov 30, 2010 1:45 pm Post subject: Jeffery Dill RPM - 11/29/10 |
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In a message dated 11/30/2010 12:05:38 A.M. Pacific Standard Time, kitfox-list(at)matronics.com writes:
Quote: | I took off about a 1 1/2 degrees from my prop and ran it up to just short of 6600
RPM at full throttle. Then I went to fly, and once again, I saw much less during
takeoff roll, maybe 6100. In cruise at wide open throttle and level I saw
a higher RPM, 6400. So, at least the static versus cruise RPMs make more sense
this time. I don't know why I twice have gotten a higher RPM right after installation
test than later flight test. Different conditions of some type, but
not | Remember, ANY change in Density Altitude will change the perceived power output from your engine. This goes for 2 stroke, 4 stroke, turboprop and pure jet. Write down the temp and altitude when doing tests, then compare, you will find what a difference it makes.
Elbie
an old CFI, still teaching.
[quote][b]
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