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The Hartzel is 72" in the 2 blade version for the IO-550,
and is 70" in the 3 blade version for the IO-550
I am building a Legacy with a
Performance Engines; Continental IO-550-EXP Engine (370hp @ 2,800 rpm)
I want to put a MT Scimitar 3
Blade Model MTV-9-D-C/C183-50b on it.
My concern is that it is a 72"
Prop, does not leave much space between the Prop. and the ground during a full
compression of the front strut, or if the strut looses pressure, or
irregularities in the runway.
I am concerned about a ground
strike. I am exploring going to a smaller, say 68" four blade Prop. but am
finding that a four blade Prop is less efficient than a three blade and I will
end up with lower performance.?
I want an all around Prop with
good performance. I will do most of my cruising at 11,000' MSL. Does anyone have
any suggestions?. Are there any performance graphs for the Props? any testing
with the Legacy? Experiences?
Kevin Kossi
Legacy 35%
New York, NY
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