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Model aircraft are divided into two basic groups: flying and non-flying. Non-flying models are also termed static, display, or shelf models. Aircraft manufacturers and researchers make wind tunnel models for testing aerodynamic properties, for basic research, or for the development of new designs. Sometimes only part of the aircraft is modelled.
United Helicopters began producing the Model 360 as the UH-12. In 1949, the UH-12 became the first helicopter to make a transcontinental flight from California to New York. When Hiller upgraded the engine and the rotor blades, the company designated the new model as the UH-12A.
The Hughes OH-6 Cayuse is a single-engine light helicopter designed and produced by the American aerospace company Hughes Helicopters.Its formal name is derived from the Cayuse people, while its "Loach" nickname is derived from Light Observation Helicopter (LOH) program under which it was procured.
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The prototype of the one-man open framework homebuilt helicopter powered by a 34 hp (25 kW) Triumph motorcycle engine. Hobbycopter 101 Production version of the XH-1 offered as a kit for $900, or as plans for $35 to homebuilders. Hobbycopter 102 Strengthened Model 101 with 34 hp (25 kW) Triumph and a fibre-glass cockpit enclosure.
The Bell R-12 (later redesignated H-12; company Model 48) was an American 1940s military utility helicopter built by the Bell Helicopter company. [2] The design did not go into full production, but over a dozen prototypes were used for various tests and projects.
He regarded the helicopter as the best design for simple vertical flight, and later in his life in 1854 he made an improved model. He gave a Mr. Cooper credit for being the first person to improve on "the clumsy structure of the toy" and reports Cooper's model as ascending twenty or thirty feet.
In the late 1960s, Bell began designing a new twin-turbine engine light helicopter. A mockup of the new helicopter was displayed in January 1974 at a helicopter convention. [2] Following interest at the convention, the company announced the new Bell 222. [3] It was the first light commercial twin-turbine helicopter developed in the United ...