Assertion: engine | /r/CapableOf | use balance shafts
Facets:
value: in a system
type: OTHER
Source sentences:
text: To reduce these vibrations, some engines use balance shafts.
text: In a system invented by Dr. Frederick W. Lanchester in 1911, an inline-four engine uses two balance shafts, rotating in opposite directions at twice the crankshaft's speed, to offset the differences in piston speed.