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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.
While the V-22 and V-280 use two engines located within the tiltrotor pylons, the V-247 will have a single engine housed in the fuselage generating 5,000-6,000 shp (3,670-4,410 kW), about as much as the V-22's engines. Wingspan is 65 ft (20 m), just 1 ft (30 cm) shorter than the Reaper's, with 30 ft (9.1 m)-diameter tilting rotors, 8 ft (2.4 m ...
The QTR is a larger, four rotor version of the V-22 with two tandem wings sets of fixed wings and four tilting rotors. In January 2013, the FAA defined US tiltrotor noise rules to comply with ICAO rules. A noise certification will cost $588,000, same as for a large helicopter. [15] [16]
The design featured two engines driving four rotors through a system of v belts. No tail rotor was needed and control was obtained by varying the thrust between rotors. [14] Flown many times from 1956, this helicopter proved the quadrotor design and it was also the first four-rotor helicopter to demonstrate successful forward flight.
Twin rotor: Experimental: August 1955: Prototype: 2: Originally designated XH-33. [7] Bell XV-15: US: Twin rotor: Experimental: May 1977: Prototype: 2: Developed into V-22 Osprey. [8] Bell X-22: US: Quad fans: Experimental: May 1977: Prototype: 2: 4 tilting ducted fans powered by 4 turboshaft engines Bell Boeing V-22 Osprey: US: Twin rotor ...
Gyro 200 ED mini-UAV Quadcopter of the Gyrofly Innovations. [46] [47] Gyro 500 Mini-UAV Quadcopter of the Gyrofly Innovations. [48] Harpia This is a medium size tactical UAV of the Harpia Systems (Joint-Venture of the Embraer Defense and Security, AEL Systems and Avibras), [49] [50] halted in January 2016 [51] Hornet H2 UAV of the BRVANT. [40]
Bell announced its new project after the Bell 429 and Bell V-22, the super medium Bell 525, previously it was known as Project X or Magellan. The Helicopter is overall designed for trips of 50 to 500 nautical miles, and has a 5-blade main rotor powered by twin engines, digital controls and Garmin G5000H screen, with planned seating for 16-20 people. [3]
Scott C. Donnelly, CEO of Textron, has said in April 2019 that the Bell 360 will be based on the Bell 525. [1] [2] The 360 and 525 will share an articulated rotor system, although the 360, which will only seat two (a pilot and gunner), will use a single engine and a four-blade rotor, whereas the 525 uses twin engines and a five-blade rotor and has a nineteen-passenger capacity. [3]