Bow Thruster

Name: Bow Thruster
Brand: Misea Marine

Bow-mounted tunnel thruster with bronze or stainless steel bidirectional propeller, electric or hydraulic drive, and bridge control with stepless speed and direction switching. Fixed and retractable types.

Description

The Bow Thruster is a transverse propulsion unit fitted in the forward hull, producing port or starboard thrust so the bow can be moved and positioned at low speed or alongside, without main engine or tug assistance. It is used on vessels from yachts to cargo ships and offshore vessels.

Construction

Transverse through-hull tunnel with protected openings
Bidirectional propeller in corrosion-resistant bronze or stainless steel
Electric or hydraulic motor drive
Bridge control with stepless speed regulation and instant direction switching

Configurations

Electric: simple installation and low maintenance; for yachts, fishing boats, inland cargo ships
Hydraulic: higher thrust density and overload resistance; for ocean-going container ships, bulk carriers, platform supply vessels
Fixed tunnel or retractable (retracts to reduce resistance; for fast cruise ships and yachts)

Maintenance

Regular cleaning of tunnel fouling
Electric models: motor temperature, insulation and control checks
Hydraulic models: oil changes and pipe tightness checks

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Flange-mounted laser-plate heaters inserted through the tank side: bayonet heaters for energy- and water-saving tank heating, and shrouded suction heaters that warm viscous cargo or fuel right at the pump suction.

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Inline 4-cylinder 4.4 L diesel marine genset, 36-99 ekW at 1500/1800 rpm, with heat exchanger, radiator or keel cooling, open or enclosed, 12 or 24 V; class-approved packages available.