I too have issues with my Edge. It is also from the first batch and has about 100 flights on it. I corrected the incidences, adjusted the CG to where it needs a little down to maintain level flight when inverted, and matched my elevator halves. The wing is not warped. Servos are 8611s everywhere. I laterally balanced the plane in flight until it stalls straight and even. Now when I try to hover or torque roll it the plane needs max rudder deflection to keep it upright on it's tail due to all the weight on the left wing tip. Someone mentioned it might need more right thrust than what was built in. This is more work than expected and when the cowl comes off all my equipment is getting pulled from the plane!