lag hinge

lag hinge

lag hinge
The hinges of a helicopter that permit movement as the blade drag varies during rotation. These are located approximately at the root of the helicopter main-rotor blade. The same as a drag hinge.
References in periodicals archive ?
In the ADAMS model, the blade appears as a rigid-body mass, as do the links between the lag hinge and the torsion bearing and between the torsion bearing and the flap hinge.