Ordnance – Accelerating
Patent
1990-08-06
1992-12-22
Bentley, Stephen C.
Ordnance
Accelerating
124 3, 505876, F41B 600
Patent
active
051735687
ABSTRACT:
A magnetic gun for the purpose of accelerating a metal clad projectile to high velocities which includes a long dipole magnet extending the length of the gun bore that encloses a plurality of short superconducting dipoles magnets along its length. The short dipoles are superconducting dipoles whose induced current and magnetic field oppose the current and magnetic field of the long dipole. The short dipoles while in a superconducting state prevent the long dipole field from entering the gun bore. When the short dipoles become normal conducting, the current in the short dipoles decay rapidly. When this occurs the field of each of the small dipoles collapse and magnetic flux from the long dipole enters the gun bore at the locaiton of the normal conducting small dipole. This entering flux repels the projectile down the barrel in the direction of least flux, so the projectile is moved to the next short dipole section. This process is repeated in the next section and sequentially down the gun bore so that the projectile is accelerated along the length of the bore and exits therefrom at launch speed.
REFERENCES:
patent: 5016600 (1991-05-01), Hilal
Bentley Stephen C.
Duncan John R.
General Dynamics Corporation Space Systems Division
Gilliam Frank D.
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