According to the website of Northwestern Polytechnical University, on June 23, 2025, the "Feitian-2" developed by the aerospace combined propulsion team of Northwestern Polytechnical University conducted a test flight in a certain area in the northwest, and for the first time internationally obtained scientific data such as variable structure intake, variable thrust acceleration, and variable angle of attack autonomous flight of kerosene/hydrogen peroxide propellant rocket ramjet combined propulsion. The test was successful.
According to previous information from the WeChat official account of "Northwestern Polytechnical University", on July 4, 2022, the "Feitian-1" rocket ramjet combined propulsion system developed by the aerospace combined propulsion innovation team of the School of Aerospace at Northwestern Polytechnical University was successfully launched from a base in the northwest. It was the first time internationally that the multi-mode smooth transition and wide-range comprehensive capability of the kerosene fuel rocket ramjet combined cycle engine's rocket/ram, ram, scram, and rocket/scram modes were verified. Key technologies such as thermal throat regulation and ultra-wide envelope efficient combustion organization were broken through, and the flight test was a complete success.
Original text: https://www.toutiao.com/article/7519663580296282687/
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