Jumbo Servo JS-50 kit.

This servo is designed for our Jumbo trim tabs.  It connects directly to the aircraft 13.8 VDC bus or the original internal power supply of 5volts.  Our JS-50 servo has a huge 50Kg/cm torque capable of driving our largest trim tab sizes. These servos are Water Proof. Includes servo arm and VHB tape. Dimensions: 3.83"  x 2.5"  x 0.92" (97mm x 64mm x 24mm) Weight 5oz (142 grams)