KINGMAX'S SW4805 SAIL WINCH SERVO THESE ARE STANDARD SIZED SERVOS THIS IS THE SUITABLE/IDEAL REPLACEMENT SAIL WINCH SERVO FOR THE JOYSWAY DRAGON FORCE DF65 YACHT Specifications: 1.5 Turn SW4805-1.5PA Turn: 1.5-1.7T Operating Voltage: 4.8-6v Speed(4.8v): 0.9sec/360 Speed(6.0v) 0.7sec/360 Torque(4.8v): 5.25kg Torque(6.0v): 6.13kg Running Current: 0.15~0.16A @ no load Working Current: 0.35~0.40A Stall Current: 0.84~1.02A Size: 40.5X20.2X38MM (1.59X0.80X1.50in) Weight: 45g (1.59oz) Gears: Heavy duty resin Connector wire length: JR 265mm (10.43in) Servos supplied with fittings as shown in photo