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  2. Rotor wing - Wikipedia

    en.wikipedia.org/wiki/Rotor_wing

    All three classes have been studied for use as lifting rotors and several variations have been flown on full-size aircraft, although only the vertical-axis rotary wing has become widespread on rotorcraft such as the helicopter. Some types provide lift at zero forward airspeed, allowing for vertical takeoff and landing (VTOL), as in the helicopter.

  3. Falkirk Wheel - Wikipedia

    en.wikipedia.org/wiki/Falkirk_Wheel

    The Falkirk Wheel A timelapse of the wheel rotation. This video covers a time period of 10 minutes A timelapse from inside a boat. The Falkirk Wheel (Scottish Gaelic: Cuibhle na h-Eaglaise Brice) is a rotating boat lift in Tamfourhill, Falkirk, in central Scotland, connecting the Forth and Clyde Canal with the Union Canal.

  4. Marshall Elevator - Wikipedia

    en.wikipedia.org/wiki/Marshall_Elevator

    In 1942, they began to sell elevator products by the Rotary Lift Company, [1] which, in 1955, merged with other companies and changed their name to the Dover Elevator Division. [2] In 1999, they became a reseller of ThyssenDover Elevators, the company that was formed after the merger of Dover Elevator and Thyssen Elevator.

  5. Rotorcraft - Wikipedia

    en.wikipedia.org/wiki/Rotorcraft

    A rotary-wing aircraft, rotorwing aircraft or rotorcraft is a heavier-than-air aircraft with rotary wings that spin around a vertical mast to generate lift. The assembly of several rotor blades mounted on a single mast is referred to as a rotor .

  6. Dover Corporation - Wikipedia

    en.wikipedia.org/wiki/Dover_Corporation

    Dover Corporation is an American conglomerate manufacturer of industrial products. [5] The Downers Grove, Illinois-based company was founded in 1955. [5] [6] As of 2021, Dover's business was divided into five segments: Engineered Products, Clean Energy and Fueling, Imaging & Identification, Pumps & Process Solutions and Climate and Sustainability Technologies. [7]

  7. Aircraft flight mechanics - Wikipedia

    en.wikipedia.org/wiki/Aircraft_flight_mechanics

    Aircraft flight mechanics are relevant to fixed wing (gliders, aeroplanes) and rotary wing (helicopters) aircraft.An aeroplane (airplane in US usage), is defined in ICAO Document 9110 as, "a power-driven heavier than air aircraft, deriving its lift chiefly from aerodynamic reactions on surface which remain fixed under given conditions of flight".

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