Main Gearbox
AssemblyMulti-stage reduction gearbox, roughly 90:1. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Bill of materials for Main Gearbox
6 top-level lines as of r81501| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Helical Gear Pair | gear-pair | 4× | 4 | · | part |
| 2 | Planetary Reduction Stage 5 parts | heavy-lift-helicopter-planetary-stage | 1× | 1 | 0 | assembly |
| 3 | Gearbox Housing | gearbox-housing | 1× | 1 | · | part |
| 4 | Ball Bearing | ball-bearing | 12× | 12 | · | part |
| 5 | Oil Seal | oil-seal | 6× | 6 | · | part |
| 6 | Gear Oil | gear-oil | 1× | 1 | · | part |