On how to make the fastest gun in the west

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Description

A new gasdynamic launcher is described, in which intact projectiles weighing at least one gram can be accelerated to mass velocities of 20 km/s. The system employs a conventional 2-stage light gas gun, with the barrel modified and filled with helium to act as a pump tube for a third stage. It is demonstrated that inter-stage kinetic energy efficiencies of 45% are possible and that these results can be achieved while maintaining the peak pressure applied to the projectile below 2.5 GPa. A simple analysis of this system is given, from which design parameters can be readily derived, and hydrocode ... continued below

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14 p.

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Glenn, L.A. January 1, 1997.

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Description

A new gasdynamic launcher is described, in which intact projectiles weighing at least one gram can be accelerated to mass velocities of 20 km/s. The system employs a conventional 2-stage light gas gun, with the barrel modified and filled with helium to act as a pump tube for a third stage. It is demonstrated that inter-stage kinetic energy efficiencies of 45% are possible and that these results can be achieved while maintaining the peak pressure applied to the projectile below 2.5 GPa. A simple analysis of this system is given, from which design parameters can be readily derived, and hydrocode calculations are presented to validate the model.

Physical Description

14 p.

Notes

INIS; OSTI as DE98050927

Other: FDE: PDF; PL:

Source

  • International workshop on new models and numerical codes for shock wave processes in condensed media, Oxford (United Kingdom), 15-19 Sep 1997

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  • Other: DE98050927
  • Report No.: UCRL-JC--126057
  • Report No.: CONF-9709108--
  • Grant Number: W-7405-ENG-48
  • Office of Scientific & Technical Information Report Number: 301926
  • Archival Resource Key: ark:/67531/metadc679212

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  • January 1, 1997

Added to The UNT Digital Library

  • July 25, 2015, 2:20 a.m.

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  • April 10, 2017, 1:40 p.m.

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Glenn, L.A. On how to make the fastest gun in the west, article, January 1, 1997; California. (digital.library.unt.edu/ark:/67531/metadc679212/: accessed September 20, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.