Search results
Results from the WOW.Com Content Network
Modern Japanese taketombo bamboo-copters; wooden type with winding thread (left); plastic type (right) A decorated Japanese taketombo propeller. The bamboo-copter, also known as the bamboo dragonfly or Chinese top (Chinese zhuqingting (竹蜻蜓), Japanese taketonbo 竹蜻蛉), is a toy helicopter rotor that flies up when its shaft is rapidly spun.
One such material of interest was Wobex (Woven bamboo experimental), a reinforced woven bamboo. [1] [2] The XL-14 Maya (until 1995 the maya was the national bird of the Philippines) was the first of this series of prototypes. It was a single-engine, high-wing monoplane of standard layout except for its twin tail.
Most-produced Western helicopter; nicknamed "Huey". UH-1Y derivative in production. 1959–1976 Bell 206 Jetranger: 8,460: manufactured at Bell plants in United States and Canada: Also made under licence by Agusta in Italy and Commonwealth Aircraft Corporation in Australia: 1966–2010 Eurocopter AS350: 7,000 + [1] France: Airbus Helicopters ...
American Eurocopter – founded as Vought Helicopter Inc, now a wholly owned subsidiary of Eurocopter; American Helicopter [10] Aviodyne U.S.A. Bell/Agusta Aerospace Company; Bell Helicopter [44] Bendix Helicopter Company (defunct) [10] Bensen Aircraft Company (defunct) [10] Boeing Rotorcraft Systems (formerly Boeing Helicopters & Boeing-Vertol ...
A decorated Japanese taketombo bamboo-copter. The use of a rotor for vertical flight has existed since the 4th century AD in the form of the bamboo-copter, an ancient Chinese toy. [22] The bamboo-copter is spun by rolling a stick attached to a rotor. The spinning creates lift, and the toy flies when released. [23]
XA-5 Top Sergeant [3] XH-26 Jet Jeep; American Sportscopter ... RAH: Reconnaissance and Attack Helicopter; UH: Utility Helicopter; Project acronyms
Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!
Many of these later models and machines would more closely resemble the ancient bamboo flying top with spinning wings, rather than Leonardo's screw. In July 1754, Russian Mikhail Lomonosov had developed a small coaxial modeled after the Chinese top but powered by a wound-up spring device [11] and demonstrated it to the Russian Academy of Sciences.