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Dragonfly HR.1 Air-sea search and rescue helicopter for the Royal Navy powered by a 540 hp (400 kW) Alvis 50 radial piston engine. 13 built, some modified later as HR.5s. Dragonfly HC.2 Casualty evacuation helicopter for the Royal Air Force similar to the commercial Mark 1A, 2 built and one-conversion from a civil Mark 1A. Dragonfly HR.3
The Sikorsky H-5 (initially designated R-5 [a] and also known as S-48, S-51 and by company designation VS-327 [1]) is a helicopter built by Sikorsky Aircraft Corporation.. It was used by the United States Air Force, and its predecessor, the United States Army Air Forces, as well as the United States Navy and United States Coast Guard (with the designations HO2S and HO3S).
The aircraft fuselage is made from steel and aluminum tubing. Its two-bladed rotor has a diameter of 19.7 ft (6.0 m). Its two-bladed rotor has a diameter of 19.7 ft (6.0 m). The aircraft has a typical empty weight of 234 lb (106 kg) and a gross weight of 794 lb (360 kg), giving a useful load of 560 lb (254 kg).
The Ryan YO-51 Dragonfly was an observation aircraft designed and built by Ryan Aeronautical for the United States Army Air Corps (USAAC). A single-engined parasol wing monoplane, it was designed for optimum STOL capability, but although three prototypes proved highly successful in testing, the Stinson YO-49 was judged superior and no production contract was placed.
One of these conversions, registration G-ANLW, was the first helicopter to land at the London Heliport on 8 April 1959, and later appeared in the 1971 film, When Eight Bells Toll. [ 2 ] In 1957, there was a plan to take up to 24 existing Fleet Air Arm Dragonflies to Dragonfly HC.7 standard (as the Naval Widgeon was to become) but this was ...
The Dragonfly helicopter crashed in 1958. Need help? Call us! 800-290-4726
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The Boeing X-50A Dragonfly, formerly known as the Canard Rotor/Wing Demonstrator, was a VTOL rotor wing experimental unmanned aerial vehicle that was developed by Boeing and DARPA to demonstrate the principle that a helicopter's rotor could be stopped in flight and act as a fixed wing, enabling it to transition between fixed-wing and rotary-wing flight.