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Boosted Electromagnetic Device and Method to Accelerate Solid Metal Slugs to High Speeds

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Author
Nolting, Eugene Ellis
Maier, William Bryan II
Morris, Gene
Date
2014-06-10
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Abstract
A device and method which combine electromagnetic accel eration with acceleration by high-pres sure gases derived from chemical energy to achieve high slug speeds. In one embodi ment the device includes a cylindrical metal tube having an outer diameter and an inner diameter and a central channel; at least one conductive coil surrounding the metal tube; a metal slug disposed within the central channel; a conducting central electrode, having a centrally formed cavity; a conducting rod having at least one cavity including a propellant, wherein a ?rst portion of the conducting rod is attached to the metal slug at a connection point, a second portion of the conducting rod extends between the metal slug and the central electrode, and a third portion of the conducting rod extends within the cavity of the central electrode such that a space is formed between the end of the third portion and the back of the cavity within the central electrode; and an insulator disposed within the central channel and surrounding the conducting central elec trode and the second portion of the conducting rod except at the connection point. When a current is applied to the metal tube, the central electrode, and the at least one conductive coil causes the conducting rod to break with resultant generation of a plasma which ignites the propellant such that the energy from the propellant and electromagnetic forces accelerate the slug to speeds greater than are achievable by the propellant alone.
Description
Patent
Rights
This publication is a work of the U.S. Government as defined in Title 17, United States Code, Section 101. Copyright protection is not available for this work in the United States.
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http://hdl.handle.net/10945/43067
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