On July 29, 2021, a Royal Air Force C-17 Globemaster III stunned aviation experts with an extreme and risky maneuver over the ...

R/C and full-scale helicopters ... enough power to quickly reverse direction. The problem becomes one of propellers. Standard propellers are designed to create thrust in one direction only.

Some aircraft engines have thrust reversers designed to help speed a descent: The U.S. Air Force C-17, for example, uses reverse thrust to get on the ground faster in combat zones. NASA’s ...