---- Ed Burkhead <[email protected]> wrote:
>
> > > Was wondering what the majority are using for prop pitch
> > > on c-85 engines I have a 71-50 prop It only turns 2350 RPM
> > > at full throttle cruise below 3000 ft. This is with a new tach
> > > and checked with two separate hand held tach checks.
>
>
> And, it's possible your prop is not really a 7150 in spite of what your
> papers or markings say.
>
> You might want to check that, too.
>
> What is the aircraft gross weight when you only got "2350 RPM at full
> throttle cruise below 3000 ft."? I ask this because I've seen or heard of
> planes that had a coarse pitch prop and couldn't get to either high rpm or
> normal cruise speeds.
>
> Ed
>
>
Gross weight was approximately 1300 lbs airspeed indicates about 95mph which
checks out pretty close with GPS Climb is pathetic