Two-Stroke Main Engine
AssemblyAn 11-cylinder two-stroke crosshead diesel (950 mm bore, 3,460 mm stroke) delivering up to ~75 MW at about 80 rpm directly to the propeller shaft; the engine alone runs to about 50,000 parts and 2,000+ tonnes. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Bill of materials for Two-Stroke Main Engine
10 top-level lines as of r36733| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Bedplate | container-ship-bedplate | 1× | 1 | · | part |
| 2 | Crankshaft | container-ship-crankshaft | 1× | 1 | · | part |
| 3 | Crosshead | container-ship-crosshead | 11× | 11 | · | part |
| 4 | Cylinder Assembly 9 parts | container-ship-cylinder-assembly | 11× | 11 | 0 | assembly |
| 5 | Turbocharger | container-ship-turbocharger | 3× | 3 | · | part |
| 6 | Main Bearing | container-ship-main-bearing | 12× | 12 | · | part |
| 7 | Scavenge Air System 5 parts | container-ship-scavenge-system | 1× | 1 | 0 | assembly |
| 8 | Fuel Injection System 6 parts | container-ship-fuel-system | 1× | 1 | 0 | assembly |
| 9 | Lubrication System 5 parts | container-ship-lube-system | 1× | 1 | 0 | assembly |
| 10 | Hydraulic Power Supply 5 parts | container-ship-hps-unit | 2× | 2 | 0 | assembly |