Helicopter rotors impart spin on the fuselage because of Newtonian physics — that is, when an object exerts a force on another object, the second object also exerts its own equal and opposite force.

Rotor wash is is strongest directly below a helicopter VanderWolf Images/Shutterstock Air and water tend to follow the laws of fluid dynamics — like Bernoulli's Principle — in much the same way.

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 ...

What is a Jesus nut? The Jesus nut is the main rotor holding nut, or pin, that holds the main rotor to the mast of some helicopters, according to science and tech website Technology.org.

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 main rotor of the doomed helicopter that crashed into the Hudson River was finally recovered Monday -- as investigators continue to probe what caused the deadly tragedy.

Several pieces of the crashed helicopter, including the main rotor, were pulled from the Hudson River on Monday. Credit... National Transport Safety Board. By Patrick McGeehan. April 14, 2025.

Helicopter rotor retrieved from Hudson River days after deadly crash. Six people, including three kids, were killed in last week's crash. By Emily Shapiro. April 14, 2025, 8:27 PM. 1:17.

Agustín Escobar, a top Siemens official in Spain, his wife, Merce Camprubi Montal, and their three children, aged 4, 5, and 11 years old, were sightseeing aboard a single-engine Bell 206 ...

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, ...