bore — latest news, discussion & facts

Also known as cylinder bore, Bore diameter

In a piston engine, the bore is the diameter of each cylinder.

Overview

In a piston engine, the bore (or cylinder bore) is the diameter of each cylinder. Engine displacement is calculated based on bore, stroke length and the number of cylinders: displacement = The stroke ratio, determined by dividing the bore by the stroke, traditionally indicated whether an engine was designed for power at high engine speeds (rpm) or torque at lower engine speeds. The term "bore" can also be applied to the bore of a locomotive cylinder or steam engine pistons. Steam locomotive The term bore also applies to the cylinder of a steam locomotive or steam engine.

From Wikipedia (CC BY-SA 4.0).

Also known as cylinder bore, Bore diameter

Notable quotes

“The bore is usually considered a harmless creature, or of that class of irrational bipeds who hurt only themselves.”
— Maria Edgeworth, Thoughts on Bores (1833).
“…had that worst bump developed that can adorn the head of a bore—viz., long-story-tellativeness.”
— Letitia Elizabeth Landon, A Friend in Need is a Friend Indeed, The New Monthly Magazine (1836)
“Got the ill name of augurs, because they were bores.”
— James Russell Lowell, A Fable for Critics (1848), line 55.

Quotes via Wikiquote (CC BY-SA), each with its original source.