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Thrusters

Bow thrusters at the forward end of the vessel and stern thrusters mounted aft serve to maneuver and position the boat with more precision than the main propulsion system.  Because they are positioned along the length of the vessel, they provide lateral thrust ahead and astern of the center of lateral resistance, enabling maneuvering toward the dock, or away from obstructions in its path.

Tunnel Thrusters

Both bow and stern thrusters may be housed in through-hull tunnels.

Retractable Thrusters

A retractable thruster is a propeller which can be retracted into the hull when not in use.  When deployed the retractable thruster works like a conventional thruster.  When retracted, while sailing, the hull opening is closed and flush ensuring minimum drag.

Retractable Propulsion System

Hundested provided expertise to Baltic Yachts to develop their Retractable Propulsion System (RPS).  Fully retracted propeller and fair hull surface produces less drag and 360° rotation allows propeller to function also as a stern thruster.

See how RPS works at Baltic Yachts

thrusters
Tunnel Thrusters

Hundested tunnel thrusters range in size from 20 HP to 2700 HP, using either a fixed, adjustable or controllable pitch (CP) propeller and powered with either an hydraulic, electric or diesel power source.  Hundested offers four standard models however requests for tunnel diameters and lengths not in the standard range can be accommodated.

Retractable Swing Thrusters

The first retractable swing thruster was developed by Hundested Propeller.  Available in four model sizes ranging from 25 HP to 200 HP, the standard housing is made of aluminum with a three or four bladed propeller in either aluminum or NIBRAL (nickel bronze aluminum).  The prime mover is hydraulic and the retraction mechanism is either electrically or hydraulically activated.

All thrusters are designed for heavy use in all types of pleasure and commercial vessels.  See up close on Baltic Yachts ‘Liara’.

Hundested
Retractable Propulsion Systems (RPS)

  • Eliminates propeller drag and leaves a clean and flush underwater hull shape
  • Fully retracts the propeller up into the hull under sail when the propellers are not in use
  • Enables higher speeds and enhanced maneuverability
  • Hundested CP propeller is at the core of the RPS
  • Used by performance sailing yachts
See how RPS works at Baltic Yachts
Call us to discuss Hundested Retractable Propulsion Systems (RPS) without obligation

For information about Hundested CP products, parts or service, please fill out the form below and we will contact you immediately. Or call us at 401-847-7960

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    PROJECT/WORK: New BuildRefitServiceParts

    VESSEL INFORMATION

    Vessel Make and Model (required)

    Length Overall (LOA) (required)

    Vessel Width/Beam (recommended)

    Maximum propeller diameter that will fit (required)
    Dimension from center line of shaft to hull. Minimum of 10% tip clearance to the bottom of the vessel is required.

    Maximum shaft outer diameter (OD) possible (required)
    Shaft must increase diameter by at least 30% to accomodate PP rod.

    ENGINE INFORMATION

    Number of Engines (required)

    Engine Manufacturer (required)

    Model Number (required)

    Engine hp/kW (required)

    Max Rated RPM (required)

    Existing Gearbox Type (recommended)

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    Forward Gear Ratio (required)

    Shaft Length (required)

    FOR NEW BUILDS AND REFITS

    What type of Hundested system are you interested in?

    Pitch Control UnitsCP GearboxesThrustersCP Propellers

    FOR PARTS OR SERVICE ON A HUNDESTED SYSTEM

    Please provide the Manufacturing Number, a 4 digit number found in the manual and stamped on a plate on the pitch control unit and stamped on the hub.

    Manufacturing Number (required)

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