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helicopter
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helicopter; vertical flight A timeline of helicopter history with labeled black-and-white drawings, starting from the Chinese flying top in 1100, Leonardo da Vinci's helical airscrew in 1483, Launoy and Bienvenu's feather model in 1784, Sir George Cayley's steam-powered model in 1843, Paul Cornu's man-carrying helicopter in 1907, Petroczy and von Karman's tethered helicopter in 1916, de la Cierva's autogiro in 1923, Focke Achgelis Fa 61 in 1936, and Sikorsky VS-300, the first practical U.S. helicopter, in 1939. boatswain; helicopter Labeled diagram of a helicopter's main rotor assembly showing the rotor blade, blade grip, rotor hub, yoke, stabilizer bar with weight at the end, push-pull tube, and mast.
Know how a helicopter stays up in the air and how its rotor generates lift
Diagram showing how a helicopter's movement is controlled by changing the pitch of the main rotor blades, with labeled illustrations for moving up, forward, backward, sideways, hovering, turning, and descending. helicopter Bell Jet Ranger 206-B police helicopter Mi-12 helicopter
At a Glance
police helicopter
helicopter summary
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NASA's Reduced Gravity Program provides the unique weightless or zero-G environment of space flight for testing and training of human and hardware reactions. NASA used the turbojet KC-135A to run these parabolic flights from 1963 to 2004.
Man-Made Birds in the Sky
Hindenburg zeppelin crashing, 1937
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helicopter: References & Edit History

Additional Reading

Basic Helicopter Handbook, rev. ed. (1978), prepared by the U.S. Federal Aviation Administration, is a well-illustrated primer on the principles of helicopter flight and structure. Larry Collier, How to Fly Helicopters, 2nd ed., rev. by Kas Thomas (1986), describes basic operations with excellent illustrations. Walter J. Boyne and Donald S. Lopez (eds.), Vertical Flight: The Age of the Helicopter (1984), surveys the history and technology of helicopters and other aircraft designed for vertical flight. Mike Rogers, VTOL Military Research Aircraft (1989), describes basic types of research and production vertical-takeoff aircraft. Andrew C. Marshall, Composite Basics, 2nd ed. (1989), covers in detail the use of composite materials in aircraft construction.

Walter James Boyne

Article History

Type Description Contributor Date
Add new Web site: Warfare History Network - Helicopters in World War II. Aug 01, 2026
Add new Web site: Air University - Reaching Translational Lift: The History of the Helicopter and Lessons for 21st (PDF). Jun 19, 2026
Add new Web site: IOPscience - Journal of Physics: Conference Series - Analysis of helicopter dynamic stability based on parameter identification method (PDF). May 08, 2026
Add new Web site: HistoryNet - Helicopters During the Civil War? Mar 21, 2026
Add new Web site: Embry-Riddle Aeronautical University - Introduction to Aerospace Flight Vehicles - Helicopters & Vertical Flight. Jul 16, 2025
Add new Web site: Federal Aviation Administration - Introduction to the Helicopter (PDF). May 23, 2025
Questions and answers added. Mar 20, 2025
Add new Web site: Civil Aviation Academy - A Brief History of the Helicopter. Aug 12, 2024
Add new Web site: Academia - Physics then and now, A view to Helicopter flight. Sep 12, 2022
Removed media. Aug 04, 2021
Deleted videos. Apr 01, 2020
Add new Web site: Inventors and Inventions - The Helicopter. May 08, 2019
Add new Web site: Federal Aviation Administration - Introduction to the Helicopter. May 23, 2018
Add new Web site: NASA - What is a Helicopter? Mar 29, 2018
Add new Web site: ThoughtCo. - History of the Helicopter. Mar 01, 2018
Media added. Jan 31, 2018
Add new Web site: Evergreen Aviation and Space Museum - Helicopter. Mar 14, 2017
Add new Web site: Science Kids - Fun Science and Technology for Kids! - Helicopter Facts for Kids. Mar 14, 2017
Media added. May 17, 2016
Added material about Raul Pateras Pescara and his helicopter work in the 1920s and 1930s. Apr 11, 2016
Added video. Oct 14, 2015
Added video. Dec 17, 2014
Add new Web site: Buzzle.com - Helicopter. Aug 01, 2013
Added diagrams illustrating the history of the helicopter and the principles of flight and operation. Mar 07, 2012
Added a photo of a helicopter in flight. Apr 07, 2011
Added diagram depicting control of vertical flight in a helicopter. Jun 30, 2010
Added new Web site: How Stuff Works - Science - How Helicopters Work. Dec 26, 2008
Media added. Nov 13, 2008
Article revised. Sep 15, 2000
Article added to new online database. Jul 26, 1999
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