More thoughts, looking at things the only two servos with a high load are the elevator and rudder?, all the other surfaces are single servo for one movement the Hitec HS-325HB gives a value of 51oz/in at 6v so at half an inch or 12mm the torque should be doubled? and about 100 oz/in? that should be adequate for all the wing and motor controls I would think? what is hitec servos like ? http://www3.towerhobbies.com/cgi-bin...5&I=LXHHV5&P=K