Dead Center


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Related to Dead Center: Top dead center

dead center

[¦ded ′sen·tər]
(mechanical engineering)
A position of a crank in which the turning force applied to it by the connecting rod is zero; occurs when the crank and rod are in a straight line.
A support for the work on a lathe which does not turn with the work.

Dead Center

 

the extreme position of a piston in the cylinder of a piston engine, at which the motion of the piston changes direction. The piston position at the greatest distance from the crank is known as top dead center, and the position closest to the crank is known as bottom dead center. When the piston is at dead center, its velocity is zero, and the forces acting upon it do not generate an impulse (momentum) for displacement of the crank. In theoretical mechanics the positions of the piston at dead center are sometimes called limit positions (points).

References in periodicals archive ?
After Scot Shields worked a perfect 10th, McPherson sent a towering shot into dead center field to end it.
The complex geometry of the shot puts an accent on the dead center of the image, the girl's reflected face and the hand reaching for the moth, and because the girl faces the mirror at an angle perpendicular to the one at which the mirror faces me, I see her reflected face straight on, giving me the unshakable sensation that I ought to be seeing my own there too.
Streaming media is the core of PayForView's offering, and as such the company chose to locate the imbedded Windows Media Player dead center.
Four of the first five Rangers batters reached base in the first inning, capped by Mark Teixeira's line drive three-run homer to dead center field for a 4-0 lead.
He drilled a hanging breaking ball 435 feet to dead center field for a three-run homer.
Maybe this macho display belongs in sports, but please, not dead center on the front page of the paper
The Ikona tooth form is a patented non-involute profile consisting of a specifically matched external and internal tooth pair that provide maximum performance in the smallest size possible with no contact at top dead center.
Many great moments in American art have taken us into the heat of competition; generally speaking, however, art that references the world of sports finds its niche at the dead center of mainstream culture, churned out by schlock mills, marketed in "starving artist" sales at airport motels, or, worse yet, sold in "theme art" galleries that specialize in ripping off their clientele with dubious merchandise and hard sell about "investment potential.
Royster got the Lancers rolling with his two-run shot that hit off the top of the fence in right field, and Kent immediately followed with a line drive that cleared the fence in dead center.
If you could put your finger on the dead center of town that would be the spot," he said.
At the corner of 18th Street, it's the dead center of Flatiron's Silicon Alley," Ellman says.