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ballistic pendulum

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ballistic pendulum

[bə′lis·tik ′pen·jə·ləm]
(engineering)
A device which uses the deflection of a suspended weight to determine the momentum of a projectile.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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Although Bob Ferguson, the current superintendent of the Tamalpais Union High School District, was unaware of the experiment, both Lapp and Holleran said they believed the ballistic pendulum experiment was legal.
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Originally, this was done by momentum on a hinged steel plate called a "ballistic pendulum."
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We tried to estimate velocity and pressure by means of bullet drop, ballistic pendulums, primer flattening, case head expansion, bolt lift (with bolt-action rifles), not to mention recoil, report and how loudly the bullet thwacked into the backstop.
Am I going to blow up?
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