A similar problem can happen on the ground that can literally tear the aircraft apart as demonstrated by this ground resonance test using a Chinook. This particular helicopter appears to be equipped ...

Like many machines, helicopters can experience malfunctions and other equally dangerous issues. Among these is mast bumping, where the rotor hub pivots so much it hits the mast. If you think this ...

Specially shaped helicopter rotor blades with a kink at the outer part make it possible to reduce the radiating annoying rotor noise [1]. Against this background, the aeroelastic behaviour together ...