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A dynamometer or "dyno" for short, is a machine used to measure torque and rotational speed (rpm) from which power produced by an engine, motor or other rotating prime mover can be calculated.

Dynamometer

A dynamometer or "dyno" for short, is a machine used to measure torque and rotational speed (rpm) from…

The driving gear is a machine component consisting of a toothed wheel attached to a rotating shaft. Gears operate in pairs to transmit and modify rotary motion and torque (turning force) without slip, the teeth of one gear engaging the teeth on a mating gear. If the teeth on a pair of mating gears are arranged on circles, i.e., if the gears are toothed wheels, the ratios of the rotary speeds and torques of the shafts are constant.

Driving Gear

The driving gear is a machine component consisting of a toothed wheel attached to a rotating shaft.…

This illustration shows an example of a skew bevel gear.

Skew Bevel (gear)

This illustration shows an example of a skew bevel gear.

"A Torque, in archæology, is a twisted collar of gold, or other metal, worn around the neck, in ancient times by the people of Asia and the N. of Europe, and apparently forming a great part of the wealth of the wearer. Among the ancient Gauls gold torques appear to have been so abundant that about 223 B. C. Flaminius Nepos erected to Jupiter a golden trophy made from the torques of the conquered Gauls."—(Charles Leonard-Stuart, 1911)

Torque

"A Torque, in archæology, is a twisted collar of gold, or other metal, worn around the neck, in…

A wrench is a tool used to provide grip and mechanical advantage in applying torque to turn objects usually rotary fasteners, such as nuts and bolts or keep them from turning

Nut and Pipe Wrench

A wrench is a tool used to provide grip and mechanical advantage in applying torque to turn objects…