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Correlating PSI and CUP

both measurement systems, any conversion will be approximate, rather than absolutely precise. While it is true that the deformation of the copper pellet in the crusher system is influenced by all the pressure that happens during the discharge of a bullet, it is also true that the main thing that the CUP system measures is peak chamber pressure. The

Metallic Cartridge Chamber Pressure Measurement

To this day, most published chamber pressure (MAP) data for metallic cartridges is taken by the copper crusher method of measurement. The proper name for this type of measurement is CUP, or Copper Units of Pressure. Another, similar, method uses lead crusher pellets and the resulting pressure values are called Lead Units of Pressure, or LUP.click here.

Experimental techniques for ballistic pressure

The results indicate erratic behavior for chamber pressure by copper crusher as per standard deviation and relative spread and thus prove piezo sensor as more reliable and consistent mode of peak .Fote Mining Machinery Co...

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The calssical methods for pressure measurements of large calibre ammunition are still by means of copper crushers or by piezoelectric transducers mounted in the breech or barrel or with cartiridge case adapators. Requiring external charge amplifiers, sensitive piezo cables and data processing systems..Fote Mining Machinery Co

Bullet Ballistics 101 Pressure Velocity amp Distance

Sep 14, 2012 The difference in crusher length before and after firing is then converted mathematically to a pressure range, in units of CUP or LUP (copper units of pressure or lead units of pressure). Copper crushers are generally either .146 in diameter and .400 long to start with, or .225 in diameter and .500 long. Choice depends on application.

B251 IPG HPI Ballistic Measurements

B251 IPG HPI. The B51 IPG is mainly designed for gas pressure measurement in large calibre guns and howitzers but also for calibre sizes where the B251 can be inserted in the cartridge case or powder chamber. It can be used for development work, inspection or routine testing. The System is based on STANAG basically consists of a rugged steel ...

Ways to Measure Pressure The Ballistic Assistant

The reason we measure pressure is about 90% safety and 10% quality. So to have a method that will measure accurate pressure that are analogous to what happens in a real firearm is the most important part.contact us. The CIP test model does it, and does it in an fairly inexpensive way.


Peak chamber pressure can be measured mechanically with crusher gages or electrically with electrical pressure transducers. Although this paper does not address mechanical measurement, M-ll copper crusher gages were used in conjunction with electrical transducers in many of the dynamic tests.

Research on the Pressure Measuring Uncertainty of Standard

This article introduces the function, the method of selection and related criterion of standard internal crusher gauge, and systematically analyzes three factors that affect the measuring uncertainty of standard internal crusher gauge, including: inconsistency of pressure’s true value from pressure source, the uncertainty imported by standard copper-cylinder and the random fluctuations of ...

pressure measuring through copper crushers

pressure measuring through copper crushers. Barrel pressure measurements inside a gun chamber. Home Mining Machine measuring base pressure using copper crushers , copper , crusher pressure measurement , through compression of a copper crusher.

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