ballistic pendulum

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Noun1.ballistic pendulum - a physical pendulum consisting of a large mass suspended from a rod; when it is struck by a projectile its displacement is used to measure the projectile's velocity
gun pendulum - a ballistic pendulum consisting of a suspended gun; the velocity of a projectile in the bore of a gun can be measured by the recoil when the gun is discharged
compound pendulum, physical pendulum - pendulum consisting of an actual object allowed to rotate freely around a horizontal axis
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
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References in periodicals archive
SINCE BENJAMIN ROBINS invented the ballistic pendulum in 1742, ballisticians (professional and amateur alike) have had to contend with wires, bulky boxes and lighting while shooting through--and sometimes into--so-called "sky screens" where a projectile passes over a series of optical sensors.
DOPPLER EFFECT
To estimate power we had the power meter, a simple form of a ballistic pendulum. The ballistic pendulum used by Cooper at the American Pistol Institute, and recommended for use by IPSC clubs, was designed by Mike Home of Bakersfield, CA.
Peter the power meter
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