Word forms: (regular plural) layshafts
( Automotive engineering : Vehicle components , Engine, transmission, and exhaust )
is the shaft in a gearbox that runs
parallel to the main shaft and carries the paired gear wheels
Failure of a layshaft had caused loss of oil to the main bearings.
The extended layshaft supports a pair of high and low speed gears.
A layshaft is usually a solid shaft containing four or more gears.
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