Hypersonic Flight Experiment (HYFLEX) was completed successfully on Feb. 12, 1996, as one of the flight experiments for the development of HOPE (the H-2 Orbiting Plane) under the cooperation of NAL and NASDA. The HYFLEX vehicle (4.4 m long, 1.36 m wide, 1.04 m high and 1,073 kgf weight) was launched by a new J-1 rocket at the Tanegashima Space Center and flew along an approximately desired trajectory similar to the plan after both vehicles had been separated as almost planned. The flight data were obtained and were analyzed in detail. In this paper, the navigation system and actual flight path analyzed using the flight data of the HYFLEX vehicle are described. Also, the accuracy of the inertial navigation system is discussed.
HYFLEXの航法系及び実飛行経路について
nalsp0032009.pdf
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