This HiTec servo is a multi-turn servo winch. Depending on the RC system used, you can get up to 4 full 360 degree revolutions of high torque out of this servo.
For a general servo overview manual follow this link.
The HS-805BB is one monster of a servo. The HS805BB develops enough torque to move just about anything whether its a large plane, boat, or robot. Whatever it may be the HS 805BB can move it and move it fast.
These are HiTec HS-645MG Ultra Torque Metal Gear Servos for your Heavy Duty needs!
Steel Machine Key 3/16" x 3/16", 3/4" long. These keys are economical with high strength and will fit 3/16" keyways.
This is our IG42 DB Heavy Duty Vectoring All-Terrain Robot Chassis. It is designed for our IG42 motors with 6 inch mecanum wheels.