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The X-30 configuration integrated engine and fuselage. The shovel-shaped forward fuselage generated a shock wave to compress air before it entered the engine. The aft fuselage formed an integrated nozzle to expand the exhaust. The engine between was a scramjet. At the time, [when?] no scramjet engine was close to operational. [citation needed]
The Rockwell-Messerschmitt-Bölkow-Blohm X-31 is an experimental jet aircraft designed to test fighter thrust vectoring technology. It was designed and built by Rockwell and Messerschmitt-Bölkow-Blohm (MBB), as part of a joint United States and German Enhanced Fighter Maneuverability program to provide additional control authority in pitch and yaw, for significantly more maneuverability than ...
The design of the AL-31 turbofan began in the 1970s under the designation izdeliye 99 [N 1] by the Lyulka design bureau, also known as Lyulka-Saturn. With an emphasis on greater fuel efficiency over turbojets for longer range, the 12.5 tonnes-force (122.6 kN; 27,560 lbf) class turbofan engine was intended to power the heavy PFI (Russian: ПФИ, short for: перспективного ...
The Citation X is powered by two Rolls-Royce AE 3007C (up to S/N 750-172) or AE 3007C1 engines (S/N 750-173 and subsequent), each with 6442 lbs (28.66 kN) or 6764 lbs (30.09 kN) [6] of thrust, respectively. They are pod-mounted on the sides of the rear fuselage. It is the first Cessna aircraft to be powered by a Rolls-Royce engine.
The Lockheed XB-30 (company model L-249) [1] was the design submitted by Lockheed after the request by the United States Army Air Forces for a very heavy bomber, the same request that led to the Boeing B-29 Superfortress, the Douglas XB-31 and Consolidated B-32 Dominator.
Mechanics nicknamed them Parts Recovery Turbines, since the increased exhaust heat meant a return to the engine destroying exhaust valves. The fuel burn for the PRT-equipped aircraft was nearly the same as the older Pratt and Whitney R-2800, while producing more useful power. [5] Effective 15 October 1957 a DA-3/DA-4 engine cost $88,200. [6]
The other production X engine is the ChTZ Uraltrac 12N360 X-12 engine, first produced in 2015, and used in the Russian Armata tank platform. [5] Several prototype 24-cylinder X engines for military aircraft were developed during World War II, including the Daimler-Benz DB 604, Rolls-Royce Exe and Isotta Fraschini Zeta R.C. 24/60, along with the ...
The aircraft, piloted by Boeing test pilot Fred Knox, took 2,200 feet (670 m) of runway before becoming airborne at 150 knots (280 km/h; 170 mph) at around 8:00 am. [15] Shortly after takeoff, a minor hydraulic leak was discovered and the flight was shortened to 20 minutes from the expected 30–40 minutes. [16]