
Servo Gearbox for Standard Size Servos( 7:1 Ratio,no servo)
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Description
Competition eligibility
Legal for FIRST Tech Challenge (FTC) and FIRST Robotics Competition (FRC). Eligibility is set by each season's game manual — check the current rules before you compete.
This Servo Gearbox is driven by the Standard Size Servos for example Hitec's flagship HSR-M9382TH brushless, titanium geared servo. This gearbox introduces a 7:1 external gear ratio in order to lessen the range while increasing the torque and precision seven-fold. If this ratio doesn't suit your needs, be sure to check out the other Servo Gearbox options.
Having the servo mounted in the gearbox isolates the load to a steel hub-shaft that is supported in a pair of ball bearings to protect the servo from any axial loads. The gearbox opens up a world of mounting possibilities given the M4 threaded holes on each side which are on the grid pattern for compatibility throughout the Sheen Robotics® system. The hub on the top of the gearbox provides threaded holes to fasten to, but you can also opt to fasten straight to the aluminum output gear using M4 hardware and standoffs or spacers. The 8mm REX bore of the hub-shaft can drive an 8mm REX shaft or act as a wire pass-thru.
The kit comes with all the necessary pieces, minus the Servos
Technical drawing

Competition eligibility
| FIRST Tech Challenge (FTC) | Legal |
| FIRST Robotics Competition (FRC) | Legal |
Specifications
| Part number | A5216-0001-0007 |
| Gear Ratio | 7:1 |
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