US regulators have extended a directive to replace the gearbox and control software of Pratt & Whitney PW1100G engines, to encompass powerplants not used for extended twin-engined operations (ETOPS) ...

Strain wave gearing is a clever way to produce a high-efficiency, high ratio gearbox within a small space. It involves an outer fixed ring of gear teeth and an inner flexible ring of teeth which are ...

The National Highway Traffic Safety Administration announced last week that Honda is recalling about 1.7 million vehicles in the U.S. due to a problem with the steering gearbox assembly. According to ...

Dorman Products. has filed a patent for a portal gear box assembly designed for off-road vehicles. The assembly includes input and output gear subassemblies connected by idler gears, with a removable ...

When an important gear failure occurs, someone becomes responsible for analyzing the failure, determining its cause, and recommending a solution. A company can select its own engineer, an outside ...