PteroDynamics shows off a drone that can transform from a quadcopter to a fixed wing aircraft while in flight. State Department begins widespread layoffs, cutting 1,353 staff Julian McMahon Cause ...

Researchers put bird legs on a drone so it can take off by jumping EPFL’s RAVEN is a fixed-wing drone that can take off without a runway using bird-inspired legs.

Vertical lift, fixed-wing flight: Get a look at PteroDynamics' transwing aircraft PteroDynamics shows off a drone that can transform from a quadcopter to a fixed wing aircraft while in flight.

In addition to its greater efficiency, RAVEN is more versatile than other fixed-wing drone designs. It can jump over obstacles as tall as 26 centimeters or as wide as 11 centimeters.

For autonomous VTOL UAS to achieve transformative status like the jet engine has, they must deliver economic value and a clear path to profitability for operators.

MOSCOW, August 27. /TASS/. The Russian Federal Air Transport Agency (Rosaviatsiya) has issued the first airworthiness certificate for a civilian fixed-wing type drone, the agency said.

The team calculated the necessary takeoff speed for two birds with body masses of 490 grams and a hair over 780 grams; these were 1.85 and 3.21 meters per second, respectively.