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The conceptual design featured a large tandem wing aircraft with V-22 type engines and 50-foot (15 m) rotors at each of the four wing tips. The C-130-size fuselage would have a 747-inch (19.0 m) cargo bay with a rear loading ramp that could carry 110 paratroopers or 150 standard-seating passengers.
A quadcopter, also called quadrocopter, or quadrotor [1] is a type of helicopter or multicopter that has four rotors. [ 2 ] Although quadrotor helicopters and convertiplanes have long been flown experimentally, the configuration remained a curiosity until the arrival of the modern unmanned aerial vehicle or drone.
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) [45] Brantly International [20] – all manufacturing is done in Qingdao, China [46] Campbell ...
4 tilting ducted fans powered by 4 turboshaft engines Bell Boeing V-22 Osprey: US: Twin rotor: Military transport: March 1989: Production [9] Bell V-247 Vigilant: US: Multirole UAV: 2016: Project: 0 [10] Bell V-280 Valor: US: Heavy transport: 2017: Prototype: Intended for both commuter and military roles. [11] Bell Eagle Eye: US: Twin rotor ...
For example, a helicopter with a 0.30 cu in (4.9 cm 3) engine was a 30 class and a helicopter with a 0.90 cu in (14.7 cm 3) engine was referred to as a 90 class helicopter. The bigger and more powerful the engine, the larger the main rotor blade that it can turn and hence the bigger the aircraft overall.
The H502S, also marketed as the "H502S X4 DESIRE FPV" is a smaller version of the H501S quadcopter and same size as the H502E. Uses brushed motors, has 12 minutes' flight time, 7.4 V (2S) 610 mAh Li-Po battery, GPS Positioning, first-person view (FPV), altitude hold, follow-me mode, 720P High Definition Camera and return to home.
CH-4 Rainbow: China Aerospace Science and Technology Corporation: China UCAV, UAV Reconnaissance, Strike: 2021: 12-24 12-24: CH-4A and CH-4B. [54] [55] Falco: Selex ES, Pakistan Aeronautical Complex Italy: UAV Reconnaissance: 2007: 26 26: Produced under license by Pakistan Aeronautical Complex since 2008 with technology transfer to Pakistan ...
Cierva Air Horse - a British three-rotor "heavy lift" helicopter first flying in 1948. Three rotors were used to give a large lift without compromising rotor strength. [16] Volocopter designs - a series of German prototype electric multicopters with 18 rotors, the first electric multicopter in the world to achieve crewed flight.