Quote:
Originally Posted by zipper
Interesting. My experience is that ultralight props spin about 1000/1500 rpm faster than a warbird's. Ultralight motors and gear reductions are all over the map but seem to generally have a max of somewhere between 1600 and 2600 rpm with the typical installation being toward the higher end. The typical early Merlin would have a prop speed of about 1400 rpm max, later Merlins under 1300 rpm. Low prop rpm his important for a high speed aircraft because of the necessity for delaying supersonic prop tip speeds.
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Interesting. My Clod Spit flies best at rpm 2800 (at least pre patch - now it'll overheat in an instant).