o.s. 91
05-08-2006, 06:32 AM
#4
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RE: o.s. 91
I agree with running a 2 blade prop.
The theory on that is, when the blades are spinning, each one is moving in the other one's turbulence which is most minor on a two blade. A three blade or four puts the blades that much closer together and they run in more turbulence.
I it looks cool on the ground but there is a considerable loss of thrust with each blade you add. good luck in your decision.
The theory on that is, when the blades are spinning, each one is moving in the other one's turbulence which is most minor on a two blade. A three blade or four puts the blades that much closer together and they run in more turbulence.
I it looks cool on the ground but there is a considerable loss of thrust with each blade you add. good luck in your decision.
05-08-2006, 03:15 PM
#5
RE: o.s. 91
Like Minnflyer, I use a Graupner 12 X 8 on my OS 91 in a Cessna and it does Great. I had to go to it when I had floats on it and liked it so much I left it on. ENJOY !!! RED
