While it remains unclear how the helicopter broke apart, Joslin said that the primary way that a motor blade would detach is through a “mast bump,” which occurs when excessive flapping of the ...

Although the helicopter, aptly named Ingenuity ... NASA was also worried about the phenomenon of blade flapping, which is caused by flexing of the rotor blades above and below the plane of ...

Compared to a propeller of an airplane or the rotor of a helicopter, the proprotor of a tiltrotor aircraft ... Especially the monitoring of the flapping movement of the rotor allows enhancing the ...