Servo 17g Specifications: For Arkmodel VIIC submarine (VIIC needs 3 servos) and some small boat
Servo 17g：
Operating Voltage:4.8-6.0 V
Torque:3.0/3.5kgf.cm
Speed:0.15/0.13s/60°
Dimensions:28.5*13.0*27.0mm
Gear:PlasticsWeight:17.5g
Plug Available:FUT;JR Other:Bearing,Plastics,Analog
Servo 40g:
Material: Plastic gear
Model: CYS-S3003
Weight: 50g
Specifications: Length 41*Width 20*Height 38mm
Speed: 4.8V: 0.18sec/60
Speed: 6V: 0.16sec/60
Torque: 4.8V: 2.5kg/cm
Torque: 6V: 3 kg/cm
Working voltage: 4.8-6Volts
Servo 40g for Arkmodel submarines(without VIIC) and most boats.
Submarines without VIIC need 2 Servos 40g, boats need 1 servo 40g.
Please remark you use this servo for what submarine or ship when you place an order.