a four engine module forms the YF-2. It was used as the basis for developing a high altitude version known as the YF-3. Some authors state that it was...

The Lockheed YF-12 is an American Mach 3+ capable, high-altitude interceptor prototype, developed and manufactured by American aerospace company Lockheed...

The Northrop/McDonnell Douglas YF-23 is an American single-seat, twin-engine, stealth fighter prototype technology demonstrator designed for the United...

The Northrop YF-17 (nicknamed "Cobra") is a prototype lightweight fighter aircraft designed by Northrop aviation for the United States Air Force's Lightweight...

development aircraft were built, designated "YF-117A". The last of 59 production F-117s were delivered on 3 July 1990. As the USAF has stated, "Streamlined...

The Lockheed/Boeing/General Dynamics YF-22 is an American single-seat, twin-engine, stealth fighter prototype/technology demonstrator designed for the...

module forms the YF-21. The high altitude variation is known as the YF-22 is normally paired with the YF-23 vernier to form the YF-24 propulsion module...

training systems. First flown in 1997, the F-22 descended from the Lockheed YF-22 and was variously designated F-22 and F/A-22 before it formally entered...

The YF-100 is a Chinese liquid rocket engine burning LOX and kerosene in an oxidizer-rich staged combustion cycle. Development of the engine began in the...

The designation "F-107A" was the only one assigned to the aircraft, though "YF-107A" is often used in publications. The aircraft is also informally called...

The North American F-86D/K/L Sabre (initially known as the YF-95 and widely known informally as the "Sabre Dog") is an American transonic jet interceptor...

Groups: (1) Standard: YA, YB, YC, YP, (2) Scientific and Engineering: YD, YE, YF, (3) Medical: YG, YH, YI, YJ, (4) Investigative and Protective Services: YK...

The YF-215 is a liquid cryogenic rocket engine burning liquid methane and liquid oxygen in a full-flow staged combustion cycle. The engine is currently...

phase. They would be the lead contractors to respectively develop the YF-22 and YF-23 technology demonstrator prototypes, the associated avionics prototypes...

derived from the YF-17 that lost against the YF-16 in the USAF's lightweight fighter program. The United States Navy adopted the YF-17 and renamed it...

trihalides such as yttrium(III) fluoride (YF 3), yttrium(III) chloride (YCl 3), and yttrium(III) bromide (YBr 3) at temperatures above roughly 200 °C. Similarly...

21 12   Kim G-e 21 17 21 1 An S-y 21 21 5 Chen YF 16 9 5 Chen YF 21 21 PFR P Buhrova 11 11 5 Chen YF 17 21 21 M Li 21 9 18   M Suizu 21 18   M Li 23...

The North American YF-93 was an American fighter development of the F-86 Sabre that emerged as a radically different variant that received its own designation...

Phoenix YF-112 YF-112C/D – Sukhoi (acquired former East German Su-22M4) YF-113 YF-113A – Mikoyan-Gurevich (captured MiG-17F under Have Drill) YF-113B –...

Force Base. As a result, both the YF-22 and YF-23 had lower performance with the YF119s than with the YF120s. On 3 August 1991, Pratt & Whitney was awarded...

(YF-19 and YF-21) were simultaneously being tested for Project Super Nova in planet Eden. With the Ghost X-9 completed, testing on the YF-19 and YF-21...

awarded contracts worth $37.9 million and $39.8 million to produce the YF-16 and YF-17, respectively, with the first flights of both prototypes planned for...

1007/s11886-017-0856-8. PMID 28432658. S2CID 23585060. Zhang YF, Gao HF, Hou AJ, et al. (2014). "Effect of omega-3 fatty acid supplementation on cancer incidence,...

airbrakes) for yaw control. The aircraft, which had given the designation "YF-118G" as a cover, was made public on October 18, 2002. The Bird of Prey was...

F-15 Eagle. It resulted in the development of the General Dynamics YF-16 and Northrop YF-17. Late in the program, in 1974, with the promise of European sales...

The third-stage core has a diameter of 5.0 meters and is equipped with 3 YF-75E engines. The vehicle's total length is approximately 90 meters, with...

until 1998. The MX-3 was also marketed as the Mazda MX-3 Precidia in Canada and as the Eunos Presso, Autozam AZ-3 and Mazda AZ-3 in Japan. In Australia...

3 10 1 An S-y 21 21 Sim Y-j 13 15   Sim Y-j 21 14 21   P K Wardani 14 21 19 1 An S-y 21 21 5 Chen YF 18 19 5 Chen YF 21 21   Kim G-e 15 11 5 Chen YF 13...

aircraft, previously held by its predecessor, the closely related Lockheed YF-12. As of 2025[update], the Blackbird still holds all three world records...

prototype 79–780, designated YF-117A. At 6:05 am on 18 June 1981 Lockheed Skunk Works test pilot Hal Farley lifted the nose of YF-117A 79–780 off the runway...