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1. Helicopter - Wikipedia
Link: https://en.wikipedia.org/wiki/Helicopter
Description: WebA helicopter is a type of rotorcraft in which lift and thrust are supplied by horizontally spinning rotors. This allows the helicopter to take off and land vertically, to hover, and to fly forward, backward and laterally.
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2. Helicopter | Facts, History, & Types | Britannica
Link: https://www.britannica.com/technology/helicopter
Description: WebA helicopter is an aircraft with one or more power-driven horizontal propellers or rotors that enable it to take off and land vertically, to move in any direction, or to remain stationary in the air. Who designed the first helicopter capable of crewed free flight?
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3. Helicopters | Airbus
Link: https://www.airbus.com/en/products-services/helicopters
Description: WebAirbus strives to provide the most efficient helicopter solutions to its customers who serve, protect, save lives and safely carry passengers in demanding environments. Its helicopters are in service across more than 150 countries worldwide, performing nearly every type of vertical flight task imaginable.
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4. Helicopter - Rotor, Flight, Design | Britannica
Link: https://www.britannica.com/technology/helicopter/Helicopters
Description: WebPrinciples of flight and operation. helicopter: rotor. Parts of a helicopter rotor. Unlike fixed-wing aircraft, the helicopter’s main airfoil is the rotating blade assembly ( rotor) mounted atop its fuselage on a hinged shaft (mast) connected with the vehicle’s engine and flight controls.
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5. helicopter summary | Britannica
Link: https://www.britannica.com/summary/helicopter
Description: Webhelicopter, Aircraft with one or more power-driven horizontal rotors that enable it to take off and land vertically, move in any direction, or remain stationary in the air. Since a rotor is essentially a rotating airfoil, a helicopter is often described as a rotary-wing aircraft, in contrast to a conventional fixed-wing airplane.
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6. Airbus Helicopters in the U.S. | Airbus U.S.
Link: https://us.airbus.com/en/helicopters/airbus-helicopters-in-the-us
Description: WebAirbus Helicopters North America highlight. Airbus Helicopters, a division of Airbus employs approximately 20,000 people worldwide. Its fleet in service includes nearly 12,000 helicopters operated by more than 3,000 customers across 150 countries. Worldwide, the company maintains a 45-percent market share in the civil and parapublic markets.
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7. Igor Sikorsky and the History of the Helicopter - ThoughtCo
Link: https://www.thoughtco.com/history-of-the-helicopter-1991899
Description: WebOct 4, 2019 · Sikorsky's helicopters had the control capabilities to fly safely forwards and backward, up and down and sideways. In 1958, Sikorsky's rotorcraft company made the world's first helicopter that had a boat hull. It could land and take off from the water; and floated on water as well.
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8. How does a helicopter work? - Explain that Stuff
Link: https://www.explainthatstuff.com/helicopter.html
Description: WebJan 11, 2023 · The science of a helicopter is exactly the same as the science of an airplane: it works by generating lift—an upward-pushing force that overcomes its weight and sweeps it into the air. Planes make lift with airfoils (wings that have a curved cross-section).
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9. Helicopter - New World Encyclopedia
Link: https://www.newworldencyclopedia.org/entry/Helicopter
Description: WebA helicopter is an aircraft that is lifted and propelled by one or more horizontal rotors—each of which comprises two or more rotor blades. Helicopters are classified as rotary-wing aircraft to distinguish them from fixed-wing aircraft (or airplanes ). The word "helicopter" derives from the Greek words helix (spiral) and pteron (wing).
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10. What Is a Helicopter? (Grades K-4) - NASA
Link: https://www.nasa.gov/learning-resources/for-kids-and-students/what-is-a-helicopter-grades-k-4/
Description: WebMay 21, 2014 · A helicopter is a type of aircraft. It uses rotating, or spinning, wings called blades to fly. Rotating blades, or a rotor, let helicopters do things airplanes cannot. How Does A Helicopter Work? In order to fly, an object must have “lift.” Lift is what pushes something up. Lift is made by wings.