Radian Aerospace’s subscale prototype for its Radian One space plane sits on a runway in the United Arab Emirates. (Radian Aerospace Photo) Seattle-based Radian Aerospace has finished the first round ...

Vertical Aerospace completed the first phase of crewed testing for its VX4 eVTOL aircraft, involving tethered hover flights and various simulated failure scenarios. The VX4 prototype demonstrated a 20 ...

How low can you go, really? That’s one question Alaska researchers are asking of a new heat pump prototype this winter. The new LG model purports to heat homes effectively even at -30 degrees ...

After completing ground testing of its propulsion system last year, Southern California’s Overair is focusing on building and flying the production prototype of its ”Butterfly” air taxi. The Santa Ana ...

Vertical’s most advanced full-scale prototype is key step towards certification of aircraft. 60% of this prototype’s technology is from Vertical’s strategic aerospace partners GKN Aerospace, Hanwha, ...

Overair’s first prototype is expected to begin ground and flight testing early next year. Credit: Overair Overair has announced the completion of its first full-scale prototype aircraft, paving the ...