New Frontier Aerospace Plans Sales of 3D-Printed Hypersonic Rocket Engine

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14 Jul 2026


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AEROSPACE AMERICA (AIAA) - Washington state startup New Frontier Aerospace is moving to install by the end of this year its 3D-printed, hypersonic-capable rocket engine onto a drone to demonstrate and gather data on its performance.

The company, headquartered in Kent, plans to offer the relatively compact, liquid natural gas-fueled engine, known as Mjölnir, for sale commercially, co-founder and CEO Bill Bruner told me. The design produces thrust via full-flow staged combustion, a process similar to that employed by the Raptor engines that power SpaceX’s Falcon rockets.



Note:  New Frontier Aerospace is headquartered in Kent.

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