China Has Key Technology for Building VTOL Version of J-20 Stealth Fighter Jet
Posted: October 22, 2013 Filed under: Uncategorized | Tags: China, J-20, PLA air force, R-79-300 engine, VTOL, Yak-141 26 Comments
J-20 that may have vtol version
According by Russian Military-Industry Courier weekly and US Aviation News Weekly’s speculation, China has obtained from Russia the technology for VTOL fighter jet and will probably develop a VTOL version of J-20 stealth fighter jet.
The technology was formerly used in Russia’s Yak-141 VTOL fighter. A prototype of R-79-300 engine used in Yak-141 was sold to China in 1996. In 1998, Russia transferred technology related to the nozzle of the engine to China.
The engine is a vector thrust turbofan with maximum thrust of 8,994 kg, which can be raised to 15,500 kg with additional boosting. Its nozzle can turn 95 degrees downwards with a lifespan of 1,500 rotations. Yak-141 is able to take off within a short distance of 5 meters.
It has set lots of world records for VTOL fighters including, climbing to 12,000 meters in 116.2 seconds with effective load of 2,000 kg and 130.5 seconds with 2,000 kg and a climbing speed of 250 m/s from the height of 3,000 to 8,000 meters.
Source: qianzhan.com “China has mastery of key technology that may probably enable it to develop VTOL version of J-20: foreign media” (summary by Chan Kai Yee based on the report in Chinese)
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