Interesting Engineering on MSNOpinion

Why US Army scrapped its fastest helicopter ever

The SB-1 Defiant pushed helicopter design beyond 200 knots with its coaxial rotor and pusher propeller system, redefining ...
While he cautions that it is still too early to draw conclusions, the head of US Army’s Future Vertical Lift initiative says his initial observations from the Russo-Ukraine war validate the service’s ...
The MV-75 Cheyenne has crucial advantages over conventional helicopters, but is mechanically simpler—and therefore more ...