Randy L. Thompson wrote:I have just received my amended paperwork for putting an O-200 engine in a Cessna 120, 140 or 140A. The Sensenich 69CK is now listed as one of three propeller types along with the previously listed McCauley 1A100 and 1A101 propellers.
Randy L. Thompson wrote:Thanks.
My purpose is to give more choices at reasonable cost. The Sensenich is a good propeller. When people buy an O-200 from a 150 it may be the prop that was on that airplane, too. Before I added it one would need to find a McCauley to adhere to the STC.
Now that this is accomplished I will work on the Aeromatic as another choice. It is already allowed for C-85's.
Tye Hammerle wrote: what does having the Sensenich on the list mean?
Randy L. Thompson wrote:Thanks! It gets even better. I raised the static RPM limitations on the McCauleys so you can get a little more horsepower.
Randy Thompson wrote:For those that have the STC or are considering it, the limitations are as follows:
McCauley 1A101 Static RPM 2200-2600 RPM
This allows a flatter pitch prop especially with the 1A101 McCauley.
Randy Thompson wrote:Engines timed to 24 degrees +/- 1 degree will still turn a static of near 2600 RPM with a 6948 McCauley 1A101 propeller. You will see an incredable performance change with four inches less pitch.
martyh wrote:1200fpm on 100hp? Are you sure about that? What is your cruise speed now?
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