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2. Shore power - Wikipedia

   en.wikipedia.org/wiki/Shore_power

   Shore power or shore supply is the provision of shoreside electrical power to a ship at berth while its main and auxiliary engines are shut down. [1] While the term denotes shore as opposed to off-shore, it is sometimes applied to aircraft or land-based vehicles (such as campers, heavy trucks with sleeping compartments and tour buses), which may plug into grid power when parked for idle reduction.

3. Azimuth thruster - Wikipedia

   en.wikipedia.org/wiki/Azimuth_thruster

   The most powerful podded thrusters in use are the four 21.5 MW Rolls-Royce Mermaid units fitted to RMS Queen Mary 2. [1] Mechanical azimuth thrusters can be fixed installed, retractable or underwater-mountable. They may have fixed pitch propellers or controllable pitch propellers. Fixed installed thrusters are used for tugboats, ferries and ...

4. MacGregor 19 - Wikipedia

   en.wikipedia.org/wiki/MacGregor_19

   The boat has a draft of 5.08 ft (1.55 m) with the centerboard extended and 9 in (23 cm) with it retracted, allowing operation in shallow water, beaching or ground transportation on a trailer. [1] [3] The boat is normally fitted with an 8 to 40 hp (6 to 30 kW) outboard motor for cruising, docking and maneuvering. It can cruise at 20 kn (37 km/h ...

5. Voith Schneider Propeller - Wikipedia

   en.wikipedia.org/wiki/Voith_Schneider_Propeller

   The Voith Schneider propeller was originally a design for a hydro-electric turbine. [2] Its Austrian inventor, Ernst Schneider, had a chance meeting on a train with a manager at Voith's subsidiary St. Pölten works; this led to the turbine being investigated by Voith's engineers, who discovered that although it was no more efficient than other water turbines, Schneider's design worked well as ...

6. Cold ironing - Wikipedia

   en.wikipedia.org/wiki/Cold_Ironing

   The Port of Oakland is implementing a High Voltage Shore Connection (HVSC) at 6,600 volts. The first Hapag-Lloyd vessel to use the system, Dallas Express, docked there in December 2012. The electrical and mechanical equipment to interface the ship's electrical load with the shore power is in a 40-foot container at the vessel's stern.

7. Z-drive - Wikipedia

   en.wikipedia.org/wiki/Z-drive

   It does not refer to an electric motor in a rotating pod. The device is different from the Voith-Schneider marine propulsion system (also mechanically linked), which can also quickly change the direction of thrust, as the Z-drive uses a shrouded conventional screw that pivots or rotates the propeller, unlike the variable-geometry blades of the ...