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Old 07-07-2003 | 05:12 PM
  #215  
rwh
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From: Lynnfield, MA
Default RE: U-Can-Do 3d 46?
I flew my UCD 46 many times yesterday, with an OS .61 FX in it. Temp was about 92 Deg.

I've tried both a 12.5 x 6 and a 13 X 5 prop.

After yesterday, I wish I put a 91FX in there. It just slid backward out of the hover every time. I'm gonna try a 14 X 4 and a 13 X 4, but it's clearly marginal at best. Great flyer otherwise!

One of the problems is that if you prop for knife edge (speed) you lose hover (pull) when the engine power is marginal.

BY THE WAY!!! Is it only me, or does the shape of the wingtips on the UCD freak you out? Any aerodynamic guys want to take a shot at why they are like that? Avoid tip stalls? Eh?
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