Engine 21XM Ver

FUTABA EBS3454 Gear Set S9570SV

and Nuka Cola brands

all other gears are upgraded to the sintered metal gears from the OPTIMA

A3040 Mid Torque High Speed SubMicro Plastic Servo lader til 3 celler Engine 21XM VerKey Features High speed Low cost Low deadband Digital precision Metal gears Overview This 0. 10 second transit time (at 6 volts), 28 oz in of torque, metal gear servo is an ideal combination of weight, speed and holding power for slow and park flyer aircraft. Ball bearing support around the output shank helps keep the servo precise for many flights to come. Choose the A3040 servo for electric aircraft and sailplanes where the robust nature of metal