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それは君が知らんだけの話

http://www.defencetalk.com/forums/air-force-aviation/japenses-5th-generation-fighter-5275/
AIRCRAFT - FIXED-WING - MILITARY, Japan
Date Posted: 09-Aug-2001

Jane's All the World's Aircraft
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NIHON KOKU JIEITAI (Japan Air Self-Defence Force)
FI-X

Programme for next-generation fighter, to succeed F-15J early in the 21st century.
Launched with FY95 allocation of \1 billion (US$10.2 million) to IHI to develop new
50 kN (11,240 lb st) class turbofan (XF-7) as power plant, to be test flown in TD-X technology demonstrator.
Preliminary TRDI (Japan Defence Agency's Technology Research and Development Institute)
design proposal for FI-X showed twin-engined configuration with canards,
low aspect ratio tapered wings, twin fins and rudders and thrust-vectoring exhaust nozzles.
Construction of up to four prototypes was originally expected to begin in FY99 and
to include co-cured composites, radar-absorbent materials and digital fly-by-light and engine control systems.
Wing span and length provisionally 9.15 m (30 ft) and 13.40 m (44 ft) respectively.
Avionics to include conformal radar and IR seeker.
First XF-7 engine was delivered for static testing in June 1998, but FI-X programme has been stretched,
and TD-X demonstrator not now expected to fly until 2007.

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(c) 2001 Jane's Information Group Paul Jackson MRAeS