At least in demonstrator form, Japan has produced its first high-thrust fighter engine. The demonstrator has been run to its minimum required output with no problems, a program official says, suggesting there is a good opportunity to exceed objectives. Specifically, the XF9-1 engine, built by IHI as part of a broad Japanese fighter-technology acquisition effort, has reached its required dry rating of 11,000 kg (24,000 lb.) and afterburning output of 15,000 kg, says the official from the ...


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