The YF-20 is a Chinese liquid-fuel rocket engine burning N2O4 and UDMH in a gas generator cycle. It is a basic engine which when mounted in a four engine...

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

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

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

designations. Despite this, the designations YF-17 and YF-23 were not skipped (although YF-20, YF-17 and YF-23 all were prototypes and did not enter production...

March 3 families, but due to the increased thrust of the YF-100 with respect to the YF-20 and YF-25, the boosters are almost twice as long, at 27 m (89 ft)...

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...

Stealth Fighter". America's Stealth Fighters and Bombers: B-2, F-117, YF-22 and YF-23. St. Paul, Minnesota, US: Motorbooks International. ISBN 978-0-87938-609-2...

rocket engine ever flown. CE-20—Indian LH2/LOX engine developed in the 2010s for use on the LVM3 launch vehicle. YF-20—Chinese N2O4/UDMH engine developed...

Lockheed and Northrop were selected in 1986 to respectively develop the YF-22 and the YF-23 technology demonstrator prototype aircraft and associated avionics...

The YF-1 was a Chinese liquid rocket engine burning N2O4 and UDMH in a gas generator cycle. It is a basic engine which when mounted in a four engine module...

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...

engines for both the Lockheed/Boeing/General Dynamics YF-22 and the Northrop/McDonnell Douglas YF-23 ATF technology and flight demonstrators. The ATF's...

Marín 21 21 2 Chen YF 17 15   B Ongbamrungphan 17 21 23   Gao FJ 21 14 21   B Ongbamrungphan 20 16 2 Chen YF 22 21   Nguyễn T L 16 12 2 Chen YF 21 21...

the two competing technology demonstrator aircraft, the Lockheed YF-22 and Northrop YF-23. Pratt & Whitney's competing F119 was selected over the F120...

the fuel. The upper stages (third stage) of Long March 3 rockets use YF-73 and YF-75 engines, using liquid hydrogen (LH2) as the fuel and liquid oxygen...

August 2017. "F-23A & NATF-23" Archived 27 October 2018 at the Wayback Machine yf-23.net, 15 January 2013 "NATF-23 diagram in hi-rez." Archived 24 October 2022...

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...

states such as the Sukhoi Su-22 and the less popular Su-20. It was produced from 1967–1990. The Su-17/20/22 series had a long career and has been operated by...

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...

Jia YF 21 21 D1 Ng Q X Teoh L X 3 10 1 Chen QC Jia YF 21 21 M T Puspita Sari R A Rose 9 11 K A Bhat S Gautam 22 12 18 M T Puspita Sari R A Rose 20 21 21...

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

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...

568–576. doi:10.1002/jmv.25748. PMC 7228347. PMID 32134116. Martel J, Ko YF, Young JD, Ojcius DM (May 2020). "Could nasal nitric oxide help to mitigate...

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...

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 –...

Fighters, XP-59 to YF-23. St. Paul, MN: Motorbooks International, 1991. ISBN 0-87938-540-5. Scutts, Jerry (1986). Northrop F-5/F-20. London: Ian Allan...

American YF-93A Fact Sheet." Archived 27 October 2014 at the Wayback Machine National Museum of the United States Air Force. Retrieved: 20 August 2010...

The YF-90 is a liquid cryogenic rocket engine burning liquid hydrogen and liquid oxygen in a staged combustion cycle. It is China's first hydrogen-oxygen...

flew from 1963 to 1968. It was the precursor to the twin-seat U.S. Air Force YF-12 prototype interceptor, M-21 launcher for the D-21 drone, and the SR-71...