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Should I be scared -- C172 over Gross
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April 18th 08, 03:43 AM posted to rec.aviation.piloting
Bertie the Bunyip[_24_]
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Should I be scared -- C172 over Gross
WingFlaps wrote in news:d33d5865-938c-4cae-acb3-
:
On Apr 18, 9:20*am, Andrew Sarangan wrote:
Even if the airplane is perfectly airworthy, and all maintenance done
properly, you don't know if the engine is producing 160HP (or
whatever
the rated power for your airplane). There is no signature in the
logbook that certifies that the airplane engine has been tested and
found to produce the specified power. I have flown rentals that flew
like a 120HP Cessna instead of a 160 HP. RPM can't tell you the true
power because every airplane uses a different pitch prop.
Well if the renter is slappin' on any old prop then you should not go
there. How does a 120 HP 172 reach cruise airspeed at cruise RPM?
Coasely pitched props don't allow good static HP because the RPM doesn't
get up to where it needs to be to produce HP. That's what variable pitch
props are all about.
Bertie
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