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Discussion History

Propulsion Train

Assembly

A medium-speed main engine driving a controllable-pitch propeller in a nozzle, sized for high bollard pull so the ship can tow a heavy trawl in a head sea. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Propulsion Train parts and their functions

7 top-level parts · 851 parts in total · full bill of materials below
Propulsion Train parts diagram: 1 main engine, 2 gearbox housing, 3 shaft line, 4 controllable-pitch propeller, 5 kort nozzle, 6 rudder & steering gear, 7 auxiliary genset. 851 parts in 7 assemblies.
Propulsion Train parts diagram. Numbers match the table below; each box is one top-level part or assembly with what it contains.
#PartQtyWhat it does
1 Main Engine 6 parts Medium-speed main engine
2 Gearbox Housing Reduction gearbox with PTO
3 Shaft Line 4 parts Shaft and stern tube
4 Controllable-Pitch Propeller 4 parts Controllable-pitch propeller
5 Kort Nozzle Kort nozzle
6 Rudder & Steering Gear 3 parts Rudder and steering gear
7 Auxiliary Genset 6 parts Auxiliary generating sets

3D model

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Build & assembly graph

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Bill of materials for Propulsion Train

7 top-level lines · 49 rows shown · 851 parts total · indented to 3 levels
# Item / sub-assembly Part no. Qty/assy Ext. qty Parts Type
1 Main Engine 6 parts stern-trawler-main-engine 1 211 assembly
1.1 Cylinder Unit 6 parts stern-trawler-engine-cylinder 6 32 assembly
1.1.1 Engine Piston stern-trawler-piston 6 · part
1.1.2 Cylinder Liner stern-trawler-liner 6 · part
1.1.3 Cylinder Head stern-trawler-cyl-head 6 · part
1.1.4 Fuel Injector stern-trawler-injector 6 · part
1.1.5 O-Ring Set oring-set 24 · part
1.1.6 Fastener Set fastener-set 24× 144 · part
1.2 Crankshaft stern-trawler-crankshaft 1 · part
1.3 Turbocharger stern-trawler-turbocharger 1 · part
1.4 Coolant Pump coolant-pump 3 · part
1.5 Ball Bearing ball-bearing 6 · part
1.6 Oil Seal oil-seal 8 · part
2 Gearbox Housing gearbox-housing 1 · part
3 Shaft Line 4 parts stern-trawler-shaft-line 1 6 assembly
3.1 Propeller Shaft stern-trawler-prop-shaft 1 · part
3.2 Stern Tube stern-trawler-stern-tube 1 · part
3.3 Ball Bearing ball-bearing 2 · part
3.4 Oil Seal oil-seal 2 · part
4 Controllable-Pitch Propeller 4 parts stern-trawler-cpp 1 12 assembly
4.1 CPP Hub stern-trawler-cpp-hub 1 · part
4.2 Propeller Blade stern-trawler-cpp-blade 4 · part
4.3 Pitch Servo stern-trawler-pitch-servo 1 · part
4.4 O-Ring Set oring-set 6 · part
5 Kort Nozzle stern-trawler-nozzle 1 · part
6 Rudder & Steering Gear 3 parts stern-trawler-rudder 1 6 assembly
6.1 Rudder Blade stern-trawler-rudder-blade 1 · part
6.2 Steering Gear stern-trawler-steering-gear 1 · part
6.3 O-Ring Set oring-set 4 · part
7 Auxiliary Genset 6 parts stern-trawler-genset 2 307 assembly
7.1 Stator Assembly 3 parts stator-assembly 2 3 assembly
7.1.1 Stator Core (laminations) stator-core 2 · part
7.1.2 Copper Winding copper-winding 2 · part
7.1.3 Slot Insulation stator-insulation 2 · part
7.2 Rotor Assembly 4 parts rotor-assembly 2 19 assembly
7.2.1 Rotor Shaft rotor-shaft 2 · part
7.2.2 Rotor Core rotor-core 2 · part
7.2.3 Neodymium Magnet neodymium-magnet 16× 32 · part
7.2.4 Ball Bearing ball-bearing 2 · part
7.3 Cylinder Unit 6 parts stern-trawler-engine-cylinder 10 32 assembly
7.3.1 Engine Piston stern-trawler-piston 10 · part
7.3.2 Cylinder Liner stern-trawler-liner 10 · part
7.3.3 Cylinder Head stern-trawler-cyl-head 10 · part
7.3.4 Fuel Injector stern-trawler-injector 10 · part
7.3.5 O-Ring Set oring-set 40 · part
7.3.6 Fastener Set fastener-set 24× 240 · part
7.4 Crankshaft stern-trawler-crankshaft 2 · part
7.5 Ball Bearing ball-bearing 8 · part
7.6 Fastener Set fastener-set 120× 240 · part

Where the propulsion train is used

1 product across 1 domain contain it, directly or inside a sub-assembly

Used in 1 assembly

Sourcing: possible vendors

Prices, MOQ, and lead times are algorithmic estimates, not quotes, and not claims about these companies. Company mappings are curated by keyword; est. price band $0.50–$100. How estimates work
VendorHQSpecialtyMOQLead time
🇨🇳Foxconn
foxconn.com ↗
Shenzhen, CN Electronics contract mfg 1,000 pcs 6–10 wks
flex.com ↗ Singapore Electronics contract mfg 1,000 pcs 6–10 wks
dixoninfo.com ↗ Noida, IN Electronics contract mfg 1,000 pcs 6–10 wks
bydelectronic.com ↗ Shenzhen, CN Electronics contract mfg 1,000 pcs 6–10 wks
🇸🇬Venture Corp
venture.com.sg ↗
Singapore Electronics contract mfg 1,000 pcs 6–10 wks