Helicopter - Wikipedia
A 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.
Helicopters Takeoff & Landings Compilation - YouTube
Watch amazing scenes of helicopters taking off and landing in different locations and weather conditions. A thrilling compilation for aviation fans.
Helicopter | Facts, History, & Types | Britannica
2024年10月7日 · A 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.
Helicopters - Airbus
Airbus helicopters are an essential tool for first responders, firefighters, public service operators and military customers flying critical missions across the globe.
Helicopter - Rotor, Flight, Design | Britannica
2024年10月7日 · Helicopter - Rotor, Flight, Design: 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.
How does a helicopter work? - Explain that Stuff
2023年1月11日 · A helicopter's rotors are ingenious things that allow it to hover in mid-air or steer in any direction. The pilot has five basic movement and steering controls: two hand levers called the collective and cyclic pitch, a throttle, and two foot pedals.
How Helicopters Work - HowStuffWorks
2022年4月20日 · An airplane by its nature wants to fly. A helicopter does not want to fly. It is maintained in the air by a variety of forces and controls working in opposition to each other, and if there is any disturbance in this delicate balance, the …
How Does A Helicopter Work: Everything You Need To Know …
A helicopter works on the principle of aerodynamic lift - an upwards force that opposes the weight of the helicopter and holds it the air. So how exactly do ...
Igor Sikorsky and the History of the Helicopter - ThoughtCo
2019年10月4日 · Who Invented the Helicopter? The Russian-American aviation pioneer Igor Sikorsky (1889–1972) is considered to be the "father" of helicopters, not because he was the first to invent it, but because he invented the first successful …
What Is a Helicopter? (Grades 5-8) - NASA
2014年5月21日 · A helicopter is a type of aircraft that uses rotating, or spinning, wings called blades to fly. Unlike an airplane or glider, a helicopter has wings that move. Unlike a balloon, a helicopter is heavier than air and uses an engine to fly.