RE: Servos for Spacewalker 120
I had a Great Planes 120 size Spacewalker / OS 120 4-Stroke. I used some old Futaba 9202's ( plastic gears ) I had kicking around and never a problem. I was using 6 volts so the servo torque would be in the 80 - 90 oz. in. range. Anything around this with a strong plastic or metal gear set would do.