Airframer
Quintus Technologies Quintus Technologies
ProgramsRadical Evenstar

Aircraft program

Radical Evenstar

In production
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Solar-powered stratospheric aircraft (referred to as StratoSats) to improve global connectivity, especially in rural areas.

Lift type
Fixed wing
Construction
Factory-built
Control
Autonomous
Engine type
Application
Experimental

Design & construction

Pressurisation
Unpressurised
Environmental control
None-unpressurised
Wing position
High

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
Radical Evenstar2025 / 2025Full-scale prototype, 120 ft wingspan and 33 lb payload, also known as S-1 Evenstar.

Airframer

Radical

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