timing gear

British  

noun

1. (in an internal-combustion engine) the drive between the crankshaft and the camshaft, usually giving a ratio of 2 : 1

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Example Sentences

In Indianapolis, the timing gear and distance for the 40-yard dash is standard for everyone on a drill run indoors without wind.

From Seattle Times

He rested his hand on a rack of piston ring installers and timing gear pullers, and this man who lost so much of his family to hurricanes started talking about the parts of them.

From The Guardian

An official inspection in October 1916 found trials being done on aerial use of machine guns, phosphorous bombs for attacking zeppelins, high explosive bombs, gun sights, hydraulic timing gear for guns and production of artificial clouds.

From BBC

The team has now found two problems that may have affected their test in opposing ways: one in its timing gear and one in an optical fibre connection.

From BBC

A worn timing gear not only produces noise, but it will cause the time of opening and closing of the engine valves to vary materially.

From Project Gutenberg