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Old 01-08-2012, 09:12 PM
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vertical grimmace
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Default RE: .074 MARAUDER !!!

Hey CP, be careful with that EZ connecter on the elevator. I had one of those fail on a 1/2 A combat model I put on the bellcrank. Just like losing a line. it will go straight in.

Maxpower, Cl models do not need any vertical area at all really. It is more about looks. The main item that keeps the model tight on the end of the lines is lead out rake. This is the position of the lines exiting the wing tip. Imagine this and how it effects the angle the model flies relative to the circle of flight viewed from above. You want the plane to want to fly straight ahead. Other items to maintain line tension are incorporated as well, like engine thrust and rudder offset. Lead out rake and wing tip weight or the most critical items though, when setting up a CL plane.
For RC flight, tail volume is important though, and vertical tail volume is an important factor in design. Otherwise tracking will suffer if the area is too small.