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How can I find the minimum and maximum airspeeds for efficiency with a specific prop/engine combination?

You may want to read this paper and examine how Norris and Bauer completed a flight performance assessment of a Luscombe 8E. The Luscombe would be an approximate 7/8 scale 180, just considering the ...
Thomas Perry's user avatar
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2 votes

How can I find the minimum and maximum airspeeds for efficiency with a specific prop/engine combination?

Here is a minor addition which might help a little. Knowing the prop diameter and the speed of sound, you can calculate the shaft RPM at which the prop tips go supersonic. When that happens (or ...
niels nielsen's user avatar
5 votes

How can I find the minimum and maximum airspeeds for efficiency with a specific prop/engine combination?

What you really need to do this analysis is a detailed propeller map and a detailed engine map. Then you can do some analysis to match them together and make your own combined map. Piston engine maps ...
Rob McDonald's user avatar
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