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Abstract

A pulsed coaxial crater gun which generates a plasma from the end of a small diameter metallic wire is capable of converting 32% of the energy in a stored capacitor to kinetic energy of the plasma as measured by a calorimeter. The motor requires no switch, only a small trigger. Its efficiency is constant down to low energy inputs and the gun is operated successful over energy inputs from 3 joules to about 100 joules per pulse. Specific impulses are in the region of 2000 seconds, measurements of speed and shape of the plasma have been obtained with a Kerr cell. Plasma speed has also been measured with a calendulum (combination ballistic pendulum and calorimeter) and with a velocity profile measuring instrument.

Keywords

Rocket Motor Specific Impulse Scope Trace Plasma Speed International Astronautical 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag Wien 1961

Authors and Affiliations

  • W. H. Bostick
    • 1
  • H. Byfield
    • 1
  1. 1.Stevens Institute of TechnologyHobokenUSA

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