Brake rotors should be 8 to 30 mm thick, or whatever your vehicle manufacturer recommends. Measure them with a brake rotor gauge or micrometer measuring tool.

BMW’s latest axial flux motor patent locks in magnets with a unique metal package and axial stop, aiming for better performance, safety, and long-term durability.

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 ...

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.

The main rotor and roof structure from the deadly helicopter crash last week have been recovered from the Hudson River. It could be the most important piece of evidence yet and is now in the hands ...

Could there possibly be a rotary engine with 12 rotors? The answer is yes, and here’s everything we know about it including how much HP it could have.

Video taken by an eyewitness showed the helicopter plummet into the Hudson River, followed by a detached rotor from the aircraft itself.

Investigators in Whitemarsh Township are just beginning to determine what caused a medical helicopter to make an emergency landing Monday night.

A Black Hawk helicopter crew has been grounded after officials say their flight thrashed a Hurricane Helene relief station. The incident occurred Sunday in North Carolina, at a Burnsville parking ...

The Mazda Miata is beloved for being tiny and light, a combination of qualities most modern automakers seem to avoid like the plague. It's never been the fastest car, but who really needs that? It ...

The rotor of the Bell 206 helicopter from last week’s deadly crash into the Hudson River has been retrieved, the National Transportation Safety Board said.

New York Helicopter tours, the company involved in deadly crash on Hudson River is shutting down operations immediately, the FAA says.