Four 5-40 tapped holes in the mounting hub allows for various attachments.

(Shown with optional 5:1 metal gears)
SERVO NOT INCLUDED

Shown with 8” Dual ABS Arm

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.

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. The military grade potentiometer is coupled to the final output shaft. With six optional gear ratios, you are sure to find the right combination of power and speed for your project although the gear ratios can easily be changed. Mounting various attachments is simple with the four 5-40 tapped holes in the aluminum clamp hub. Mounting tabs are .125” thick. Build your own custom SPG800A-BM by choosing the ratio you need in assembled or kit form (full instructions included). Patented

This gearbox utilizes a
0.625” hub pattern.
Click here for more information.

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