An unknown number of V-22 Osprey aircraft are being grounded across the military as the services continue to grapple with a gearbox issue that has led to several incidents tied to engine trouble. The ...

Gear and clutch problems in the Osprey have killed more than a dozen troops in recent years, leading to groundings of the tilt-rotor aircraft. (Sgt. Armando Elizalde/U.S. Marine Corps) The Navy has ...

The US military has grounded part of its fleet of Bell Boeing V-22 Osprey tiltrotors, following continued issues with the problem-plagued craft’s clutch system. The US Navy, US Air Force (USAF) and US ...

A functioning clutch is vital to your car’s transmission system. When it wears out, you might notice problems like slipping, grinding or difficulty shifting gears. Suddenly, you wonder: “Will my car ...

Riding a motorcycle is one of life's most exhilarating thrills, and it comes with a whole culture of clubs and passion. Motorcycles are celebrated for their agility and speed, especially when one ...

Inside the bellhousing, flywheel thickness is the big variable. Adding or reducing thickness (as illustrated by two aftermarket 'wheels) is the easiest way to change flywheel weight, so heavy ...