Dimensions of larger models like the Robinson R22 are reflecting to the range of accessories. The aluminium tail rotor which is in use here, varies
High Torque Right Angle Gearbox - Graessner USA
Input Shaft, Drive Gear, Reverse Idler, & Mainshaft Assy - 6387-2
Differential assembly Gearbox Note: The rotation direction of each shaft is different. Shaft diameter: 6mm
ZGF-BR for Differential Assembly Gearbox 90 Degree 1:1 Spiral Bevel Gears (6mm Coaxial) Small Corner Device
Gearboxes - Carnell Sales, Inc.
1:2 Right Angle Drive Bevel GearBox 90° Reversing Mechanical Angle Indicator Reducer 6MM/8MM Shaft 1M 20T 40T
Right Angle Gearboxes, 90 Degree Gearbox for Shafts
90 Degree Right Angle Transmission Reversing Gearbox Small Bevel Gear Angler 1:1 Mechanical Module Dual Output Shaft - AliExpress
40 HP Right Angle Bevel Gearbox With 3 Keyed Shafts 1:1
Right Angle Gearheads
Right Angle Gearboxes, 90 Degree Gearbox for Shafts
