Alpha Impulsion Tests Autophage Engine Prototype for Grenat Rocket
Toulouse-based startup Alpha Impulsion has completed a short test firing of an autophage rocket engine. The company plans to use the novel propulsion system to power its 25-metre Grenat rocket. The Alpha Impulsion autophage engine features a solid fuel tube with a liquid oxidiser sealed in its core. Two pistons push the tube into the […]
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Published by European Spaceflight on 06/11/2025
