Getting golfers into the right shaft is the second biggest lever a fitter can pull to influence the performance of a club.

Of the three main types, the grand total of geared steam locomotives built in the U.S. topped out at around 4,500. Despite ...

Universal joints allow drive shafts to move up and down with the suspension while the shaft is moving so power ... is a “clank” sound when a drive gear is engaged. On front-drive vehicles ...

It has six gears: five stepped gears and one drive gear on the input shaft. First tests are accomplished with a 3D-printed handle, similar to a hand crank used to start really old cars.

Shaft-annealed pinion gears require little or no set screw tension to stay in place on a slotted drive shaft. If using hot water to improve the gear side of things is too low-tech, there’s ...

The forces acting on the teeth are identical for both gears, but their moments are different: If the driven gear is made larger is will rotate more slowly but with a greater moment. For example ...