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Gene: **my
engine builder ademently expressed that I
not pull rpm down to much when
cycleing prop, no more than 50rpm or I
could scuff a piston on my low time
tight cold engine.**
***That's actually very good advice on all engines
of all times in service.Walter***
Walter, the
logic escapes me??? I could see the concern if you were at WOT and
pulled the prop
back 800 RPM or so. But, 50 RPM at part throttle during run
up??
I would be more
concerned that the prop governor did not work that the engine
being hurt by
150 RPM drop at part throttle.
Craig
Berland
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