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The R-4 was the world's first large-scale mass-produced helicopter and the first helicopter used by the United States Army Air Forces, [1] the United States Navy, the United States Coast Guard and the United Kingdom's Royal Air Force and Royal Navy. In U.S. Navy and U.S. Coast Guard service, the helicopter was known as the Sikorsky HNS-1.
The XH-44 tipped over on its first tethered test flight with Hiller at the controls, resulting in minor damage. On July 4, 1944, the XH-44 made its first untethered flight at the University of California's football stadium at Berkeley. [2] The helicopter made an appearance during a public demonstration at San Francisco on August 30, 1944. [2] [3]
The CH-1A was the first helicopter to land on Pikes Peak, at an altitude of 14,110 feet (4,300 m) on 15 September 1955, [2] it had a higher cruise speed than comparable machines, and a CH-1B, modified with an FSO-526-2X engine, set an official FAI world altitude record for helicopters of 29,777 feet [note 1] on December 28, 1957, while being ...
World's first large-scale mass-produced helicopter and the first helicopter used by the United States Army Air Forces. [2] 1942 Unknown 131 Sikorsky H-5: Sikorsky Aircraft Corporation 1943 1945 300 Sikorsky R-6: Sikorsky Aircraft Corporation World War II 1943 1945 225 Kellett R-8: Experimental helicopter Kellett Autogiro Corporation: Prototype.
Stanley Hiller was born November 15, 1924, in San Francisco, California, to Stanley Hiller, Sr. and Opal Perkins.The family moved to Berkeley, California, in the 1930s.. At the age of 15, he designed the world's first successful coaxial helicopter, and produced a working model.
The Platt-LePage XR-1, also known by the company designation PL-3, [1] is an early American transverse rotors helicopter, built by the Platt-LePage Aircraft Company of Eddystone, Pennsylvania. The winner of a United States Army Air Corps design competition held in early 1940, the XR-1 was the first helicopter tested by the USAAF, flying in 1941 ...
Charles Page of Pineville built the first airship, and Leo Ortego of Alexandria built the first working manned helicopter. Skip to main content. 24/7 Help. For premium support please call: 800-290 ...
On 11 December 1951, the Kaman K-225 became the first turbine-powered helicopter in the world. Two years later, on 26 March 1954, a modified Navy HTK-1, another Kaman helicopter, became the first twin-turbine helicopter to fly. [97] However, it was the Sud Aviation Alouette II that would become the first helicopter to be produced with a turbine ...