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2. Windmill ship - Wikipedia

   en.wikipedia.org/wiki/Windmill_ship

   Several types can be made; these include wind-turbine-only ships as well as hybrid ships which store wind power from the turbine when the ship does not need to be propelled. To reduce the energy required to propel the boat, windmill ships are often equipped with low-friction hull designs, such as multihulls, or they are hydrofoils. Boats ...

3. Wild Wind 20 - Wikipedia

   en.wikipedia.org/wiki/Wild_Wind_20

   The boat has a draft of 5.67 ft (1.73 m) with the lifting extended and 2.00 ft (0.61 m) with it retracted, allowing operation in shallow water or ground transportation on a trailer. [1] [2] [3] The boat is normally fitted with a small 3 to 6 hp (2 to 4 kW) outboard motor for docking and maneuvering. [2]

4. Wind-assisted propulsion - Wikipedia

   en.wikipedia.org/wiki/Wind-assisted_propulsion

   Wind-assisted propulsion is the practice of decreasing the fuel consumption of a merchant vessel through the use of sails or some other wind capture device. Sails used to be the primary means of propelling ships , but with the advent of the steam engine and the diesel engine , sails came to be used for recreational sailing only.

5. Self-steering gear - Wikipedia

   en.wikipedia.org/wiki/Self-steering_gear

   Even in sailboats running under engine, the self steering gear can be used to keep the boat heading into the wind to easily set or change sails (exception: sheet-to-tiller principle). As wind direction sensors are used a) a wind vane mounted on an axis being tilted more or less towards the horizon (wind vane self-steering)

6. Nacelle (wind turbine) - Wikipedia

   en.wikipedia.org/wiki/Nacelle_(wind_turbine)

   A notable feature now found on some off-shore wind turbines is a large sturdy helicopter-hoisting platform built on top of the nacelle, capable of supporting service personnel and their tools, winched down to the platform from a helicopter hovering above it. [2]

7. Windrose 24 - Wikipedia

   en.wikipedia.org/wiki/Windrose_24

   The boat has a draft of 5.08 ft (1.55 m) with the keel extended and 1.50 ft (0.46 m) with it retracted, allowing operation in shallow water, beaching or ground transportation on a trailer. [1] [3] The boat is normally fitted with a small 3 to 6 hp (2 to 4 kW) outboard motor for docking and maneuvering. [1] [3]