• Hitec HS-805BB Servo sold separately
• 4:1 Plastic gear down
• 180 Degree rotation with external potentiometer
• Requires assembly and modification to servo
• Power gearbox torque 228 in-oz
• Power gearbox speed 60° in .64 seconds
Introducing the ServoCity SPG800A Gear Drive Pan System (4:1). The 1,700+ oz-in. of torque from an inexpensive 1/4-scale servo can be easily done with the new SPG805A Servo Power Gearbox. The all new structure is machined from high-strength 6061-T6 aluminum. The hardened 3/8” stainless steel final shaft is supported by dual ABEC-5 precision ball bearings that not only allow extremely smooth operation but can also support up to 200 pounds of vertical and horizontal load. By transferring the power directly to the mounting hub through the spur gear, no rotational slippage will occur. With four optional gear ratios, you are sure to find the right combination of power and speed for your project. All gear ratios can easily be changed. The various mounting attachments are simple with the four 5-40 tapped holes in the aluminum clamp hub. The mounting tabs are .250” thick. You can build your own custom SPG805A by choosing the ratio you need in assembled or kit form (full instructions included).

The normal operation of most servos is 90° but they can operate to 180° when given a pulse signal ranging from 700usec to 2300usec. Since most R/C controllers cannot generate this wide of signal range, you will need to purchase our servo stretcher for 180° operation.
• Supplier code : SPG800A-4:1