Laying the groundwork for a fighter their country may field around 2030, Japanese engineers are preparing to build a demonstrator engine core, following success in materials research for the low-bypass turbofan engine they are planning for the aircraft. On the airframe side of the technology-acquisition program, another team has made much progress researching supersonic use of weapon bays for the proposed F-3 fighter. A complete demonstrator engine, including a fan and low-pressure turbine, ...


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