Tiberius Aerospace has successfully test-fired its liquid-fuelled ramjet artillery shell, the Sceptre, from a standard NATO 155mm howitzer, claiming a world-first ignition in flight. The projectile ...

In brief: Researchers in China have successfully tested the world's first boron ramjet engine that can operate both in the air and underwater. The engine was originally conceived for hypersonic ...

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The Japan Aerospace Exploration Agency (JAXA) has conducted a Mach 5 ramjet combustion test on an experimental hypersonic aircraft developed jointly with three Japanese universities. The experimental ...