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3D-printed, full-flow staged combustion engine
FPU Front.jpg

Full­-flow staged combustion is the most efficient engine cycle, with very high thrust to weight. It is Ideal for hypersonic aircraft, upper stages, maneuvering spacecraft, and planetary landers.

Clean Liquid Natural Gas Fuel

LNG has net negative carbon footprint when renewably sourced.


Deep throttling, easy start/stop, true two-commodity operations - highly operable and reusable.


The only full-flow staged combustion engine in the world that is available for purchase. Taking orders now for 2024 delivery.

Download the factsheet.

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