There were also reports of the propeller spinning without the ... both of which suggest that the helicopter’s rotor blades – and maybe even the entire assembly – separated mid-flight ...

R/C propeller blades are sold by diameter and blade pitch ... settles on the control systems for inverted flight. The R/C helicopter community went through several iterations of control systems ...

Instead, on its tail is a propulsor—a six-blade propeller that produces forward thrust the way an airplane’s propeller does. As the helicopter speeds up, more of the LHTEC T800 engine power ...

A helicopter crash in Hartford, Illinois, injured three people and caused a fire, with a strong fuel smell lingering downtown ...

The propeller was still spinning without the ... said that in a two-bladed helicopter, if one blade or the articulating head fails, it can bring down the entire aircraft. "If that articulating ...