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Discussion History

Bow Thruster

Assembly

Transverse tunnel thruster providing side thrust for low-speed berthing. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Bow Thruster parts and their functions

5 top-level parts · 32 parts in total · full bill of materials below
Bow Thruster parts diagram: 1 servo motor, 2 thruster tunnel, 3 thruster impeller, 4 ball bearing, 5 oil seal. 32 parts in 5 assemblies.
Bow Thruster parts diagram. Numbers match the table below; each box is one top-level part or assembly with what it contains.
#PartQtyWhat it does
1 Servo Motor 4 parts 1× Brushless motor with an integrated encoder or resolver, driven in closed loop to hold commanded position, speed, or torque precisely.
2 Thruster Tunnel 1× Athwartships tube through the bow housing the thruster impeller.
3 Thruster Impeller 1× Controllable or fixed-pitch propeller producing transverse thrust.
4 Ball Bearing 4× Deep-groove radial ball bearing.
5 Oil Seal 2× Spring-loaded rotary lip seal that keeps lubricant inside a housing and dirt out where a shaft passes through, sized to DIN 3760.

3D model

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Build & assembly graph

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Bill of materials for Bow Thruster

5 top-level lines · 16 rows shown · 32 parts total · indented to 3 levels
# Item / sub-assembly Part no. Qty/assy Ext. qty Parts Type
1 Servo Motor 4 parts servo-motor 1× 1 24 assembly
1.1 Stator Assembly 3 parts stator-assembly 1× 1 3 assembly
1.1.1 Stator Core (laminations) stator-core 1× 1 · part
1.1.2 Copper Winding copper-winding 1× 1 · part
1.1.3 Slot Insulation stator-insulation 1× 1 · part
1.2 Rotor Assembly 4 parts rotor-assembly 1× 1 19 assembly
1.2.1 Rotor Shaft rotor-shaft 1× 1 · part
1.2.2 Rotor Core rotor-core 1× 1 · part
1.2.3 Neodymium Magnet neodymium-magnet 16× 16 · part
1.2.4 Ball Bearing ball-bearing 1× 1 · part
1.3 Encoder encoder 1× 1 · part
1.4 Motor Housing motor-housing 1× 1 · part
2 Thruster Tunnel car-ferry-thruster-tunnel 1× 1 · part
3 Thruster Impeller car-ferry-thruster-impeller 1× 1 · part
4 Ball Bearing ball-bearing 4× 4 · part
5 Oil Seal oil-seal 2× 2 · part

Where the bow thruster is used

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

Used in 1 assembly

Propulsion System

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 (Singapore)
flex.com ↗ 		Singapore Electronics contract mfg 1,000 pcs 6–10 wks
🇮🇳Dixon Technologies
dixoninfo.com ↗ 		Noida, IN Electronics contract mfg 1,000 pcs 6–10 wks
🇨🇳BYD Electronics
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