The Power HD Storm-4 high voltage servo is a must for those big 50~100cc aerobatic aircraft or 1/8th scale cars.This is a high quality all metal cased servo that has titanium alloy and steel gears, has masses of torque, is very quick and has excellent resolution for smooth control inputs.
Specs:Voltage: 6~7.4VTorque: 21.0kg (6V) 25.0kg (7.4V)Speed: 0.10sec/60¡Æ 0.085sec/60¡ÆDimensions: 40 x 20 x 38mmWeight: 80gMotor: BrushlessGears: Titanium alloy and steelSpline Count: 25Bearings: Double ballracedType: Digital