Re: KR> Prop Efficiency by Design

Very interesting, thanks. And a great argument for variable pitch! What we do is like having a one speed car (almost like a Chevy powerglide 2 speed)... holds the engine back when you need the power (take off and climb), makes it available when you dont (at speed). Back in the old days, KR's us

KR> Prop Efficiency by Design

The latest Kitplanes Weekly newsletter has an article by Barnaby Wainfain. I think it is good reading to explain fixed pitch prop design power .vs. climb .vs. cruise. https://www.kitplanes.com/wind-tunnel-55 John Bouyea N133RM KR-2S - imported, fixed & flying