Noun
The stroke of an internal combustion engine in which compressed fuel is ignited and generates force
A stage in muscle contraction
Source: en.wiktionary.orgAlso, increased mechanical efficiency is created by a higher compression ratio through the concomitant higher expansion ratio on the power stroke, which is by far the greater effect. Source: Internet
Combustion occurs at a substantially constant pressure during the initial part of the power stroke. Source: Internet
Measuring a Wankel rotary engine in this way more accurately explains its specific output, as the volume of its air fuel mixture put through a complete power stroke per revolution is directly responsible for torque and thus power produced. Source: Internet
In a six-cylinder engine (other than odd-firing V6s), the next piston starts its power stroke 60° before the previous one finishes, which results in smoother delivery of power to the flywheel. Source: Internet
And with the red-hot Diamondbacks practically assured of making the playoffs, a national audience will have a chance to get acquainted with Martinez’s power stroke this fall. Source: Internet
Crossbow arrows are of similar construction to ordinary bow arrows, just shorter in length because of reduced power stroke. Source: Internet