Hi I finally got my hawk caa passed off few weeks ago my c of g was set at 250mm from LE ,but after flying it I did more it back slightly,ps have you set up the elevator servos with a meter as after one flight one of my servos burnt out and I did match them with the servo matching on the radio but to find out that they was miles out when I put a volt meter on both of them ,email me if you need anything else