Airframer
ProgramsSpace Engine Systems HELLO-1X

Aircraft program

Space Engine Systems HELLO-1X

In production
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Hypersonic demonstrator vehicle, with turbo-ramjet cycle engine. Includes HELLO-1 (commercial demonstrator vehicle), and HELLO-2 (commercial space plane).

Space Engine Systems HELLO-1X
Lift type
Fixed wing
Construction
Factory-built
Control
Piloted, Remotely piloted
Engine type
Turbojet
Application
Experimental

Design & construction

Pressurisation
Unpressurised

Technical reference compiled with AI research; a value appears only where two independent research passes and a web fact-check agree. Gaps are deliberate.

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Type variants

VariantLaunch / first flightProduction endNotes
Space Engine Systems HELLO-1X2022 / Mach 5 piloted/optionally autonomous hypersonic demonstrator vehicle with liquid multi-fuel combustion.

Airframer

Space Engine Systems, Inc.News

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