Main Reduction Gear
AssemblyLocked-train double-reduction gearset dropping turbine speed to shaft speed, precision-cut for low tonal noise. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Bill of materials for Main Reduction Gear
7 top-level lines as of r7509| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Helical Gear Pair | gear-pair | 4× | 4 | · | part |
| 2 | Gearbox Housing | gearbox-housing | 1× | 1 | · | part |
| 3 | Bull Gear | attack-submarine-bull-gear | 1× | 1 | · | part |
| 4 | Lube-Oil Pump | attack-submarine-lube-oil-pump | 2× | 2 | · | part |
| 5 | Oil-Spray Nozzle | attack-submarine-oil-spray-nozzle | 48× | 48 | · | part |
| 6 | Ball Bearing | ball-bearing | 8× | 8 | · | part |
| 7 | Oil Seal | oil-seal | 6× | 6 | · | part |