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Old 12-09-2008, 07:37 PM
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freakingfast
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Default RE: OS91 FX


ORIGINAL: SpeedBoy


P.S. Sorry to kidnap the thread freakingfast .

No problem Speed. Good info going on here, thats what this place is all about.

I've seen what happens with "square" and "over square" props. In two cases they tached well on the ground (stalled blade tips) but once it got up to speed it hooked up and realy pulled the engine rpm down and the plane had too much drag to go any faster with the power on hand. I ended up droping back one inch on pitch and it was fine.