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| So I am incorrect. I had meant the down thrust must closely be opposite to the wings angel of attack. | |
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Just drop the model strait down idling and trim wing of stab incidence so it goes strait down, after that go strait up and put motor in any direction it needs to go when on full throttle for a perfect up line. Than on the flats move Ur CG forward or back to control how heavy you want the back stick to feel, or forward stick for equal feeling inverted. You can move CG back far enough so there is none, but on 45 degree up lines the plane will balloon when the cg pendulums back. This is all called 0 trimming, effectively turning the plane into a neutralized state, where you control the lift when you want it which way you want it with elevator. Its so basic you need never pull out any rulers or incidence meters, flight is Ur calibration.