E-flite Stearman PT-17 15e ARF

E-flite Stearman PT-17 15e ARF
Jeffrey Jacobsen - Rating: 4 of 5 Stars! Tuesday, September 07, 2010
I wanted this biplane, the Horrizon video shows it flying slow and stable, after I set mine up having the C.G. correct, the first few flights were scary and after lot's of research I found the wing incidence MUST be checked so they are parallel or the top wing L.E. 1* positive to the bottom, mine with the pre drilled holes turned out 3* positive and was very unstable escpecially in turns and lower speeds. You can change the C.G. in frustration thinking it's the problem and fly a difficult plane thinking it's just the design but correct wings incidence is crucial to stability. I had mine up for sale thinking biplanes aren't for me until I found out about this, corrected it and it flies much better now. E-flite should have an adendum to instructions for checking this incidence and hopefully have done so in newer kits. Also, more rudder before and during turns helps, otherwise the wings tend to keep rolling over escpecially a lower speeds, don't get to slow in turns. With so much lift on 2 wings, pilots have crashed on first flights using to much power on takeoff going straight up, stalling and crashing, a little down elevator and easy on the takeoff power will be much safer. I have 8.25 oz. of lead in the nose. Happy flying...
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