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● Engine & V/STOL
・ JR100/200/220 Engines
In 1962, Vertical Takeoff and Landing (VTOL) aircraft drew a great deal of attention, and the JR100 was developed as an engine necessary for its realization. JR100 was used for the research of VTOL and hovering. JR200 and 220 have been produced to research ways to further improve engine performance; we improved JR200 by reducing the weight of materials and JR220 by adopting a titanium alloy. The research with these engines contributed to the accumulation of design technology for an aero-engine as well as fundamental technology for engine operation.
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| JR100 engine |
JR220 engine |
・ FJR710 Turbofan Engine
The development of FJR710 turbofan engine started in 1971, under "Research and Development of Jet Engine for Aircraft", part of big project systems of the Agency of Industrial Science and Technology, Ministry of International Trade and Industry (now Advanced Industrial Science and Technology). FJR710/600, the second stage prototype, satisfied the airworthiness standard for the first time in Japan, and was loaded onto ASUKA (Short Takeoff and Landing: ASUKA) of the Aerospace Research and Development Directorate, JAXA.
FJR710/600
・ VTOL Flying Test Bed (FTB)
The VTOL Flying Test Bed (FTB), which succeeded in free flight in June 1970, was Japan's first experimental vehicle aimed for VTOL flight. The research and its prototype development started in 1965. The FTB is frame-structured with a welded copper tube, and has two JR100F lift jet engines and a three-hundred-liter fuel tank. It is 10 meters long and 7 meters wide, and the crew aboard is limited to one person. The test was conducted in Kakuda Branch Office (now Kakuda Space Center), and verified safety in operating vertical ascent and descent, hovering, and horizontal migration.
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| Flight test with the FTB (1970) |
1/18 scale model of the FTB |
・ Quiet STOL Experimental Aircraft, "Asuka"
"Asuka" was an experimental aircraft produced to establish technology necessary for the development of quiet STOL (short take-off and landing) aircraft. It had been tested 97 times before its last flight in March 1988, and acquired a number of technical data necessary for the development of practical STOL aircraft. Asuka is now exhibited in Kakamigahara Aerospace Science Museum in Gifu Prefecture.
1/18 scale model of Asuka |
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