As a powered rotor spins, it generates torque in the opposite direction of rotation; if the rotor spins counterclockwise, the body wants to spin clockwise.

Metro Rotor of doomed NYC helicopter pulled from Hudson River days after deadly tragedy By Emily Crane Published April 14, 2025, 1:45 p.m. ET ...

The rotor of the helicopter from last week's deadly crash has been retrieved from the Hudson River, four days after the devastating accident that killed all six people on board, according to a ...

An eyewitness captured video during the moment the helicopter fell to the water, appearing to twist rapidly as it did so. Moments after, a rotor is seen falling, detached from the aircraft.

The tourist helicopter that crashed into the Hudson River on Thursday afternoon appears to have fallen victim to a well-known hazard known as “mast bumping,” according to aviation experts.

The Army also continued to pursue an interim attack helicopter, and Bell developed the AH-1 Cobra two-seat attack helicopter, using the Huey’s transmission, engine, rotor system, and tail structure.

Local News Tail rotor of helicopter that made emergency landing in Whitemarsh Township, Pennsylvania, found nearby By Liz Crawford May 20, 2025 / 6:59 PM EDT / CBS Philadelphia ...

The rotor of the helicopter from last week's deadly crash has been retrieved from the Hudson River, four days after the devastating accident that killed all six people on board, according to a ...