Magnetic advanced hybrid rail gun

Ordnance – Accelerating

Patent

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124 3, 310 14, F41F 102

Patent

active

049442120

ABSTRACT:
A rail gun utilizing a combination of chemical energy for propelling a piston and a projectile. The piston movement creates electromagnetic energy in rails which further increases the velocity of the projectile as it leaves the gun barrel. In operation, propellants are introduced into the gun and ignited. High pressure gas produced from the combustion accelerates the piston and the projectile along the rails. An external field normal to the piston is applied from a dipole magnet wound around the gun bore. The piston movement induces emf thus charging the rails which act as an inductor. The current flowing in the rails further increases the velocity of the projectile along the barrel to its final exit velocity.

REFERENCES:
patent: 3126789 (1964-03-01), Meyer
patent: 4796511 (1989-01-01), Eyssa
patent: 4817494 (1989-04-01), Cowan
patent: 4846911 (1989-07-01), Tackett et al.
Peterson et al., "Design and Testing of High-Pressure Railguns and Projectiles", IEEE Transactions on Magnetics, vol. MAG-20, No. 2, Mar. 1984, pp. 252-255.

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