POLARIS successfully tests spaceplane engine

Polaris, a German aerospace start-up, successfully ignited their AS-1 engine on the 22nd of November. This Hot Fire Test was …
POLARIS successfully tests spaceplane engine

Polaris, a German aerospace start-up, successfully ignited their AS-1 engine on the 22nd of November. This Hot Fire Test was the first time the engine had been ignited. The test took place on an airfield at a former airport in northern Germany. The main material of the engine is Inconel and this engine is a heavy ground test version, with lighter versions of the engine for in-flight testing. 

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