Magnetic slingshot accelerator

Details Magnetic slingshot accelerator Magnetic slingshot accelerator

1988-10-07

1990-05-08

Bentley, Stephen C.

Ordnance

Accelerating

124 3, 310 14, 318135, F41F 102

Patent

active

049228005

ABSTRACT:
A projectile accelerator using reversed magnetic fields to accelerate a cylindrical projectile. The magnetic slingshot (MSA) includes an outer coil which produces a magnetic field within itself and a coaxial inner cylinder with breakable contacts, called a flux reverser. The magnetic field produced by the outer coil is suddenly reversed, trapping the original magnetic field within the flux reverser and storing magnetic energy in the form of magnetic flux lines that curve around the aft end of the projectile, which fits just inside the flux reverser. The stored magnetic field interacts with azimuthal currents, causing an accelerating force along the axis of the coil. A contact in the flux reverser opens aas the projectile passes, allowing the flux lines to closely trail the accelerating projectile and maintaining an imbalance in the accelerating force.

REFERENCES:
patent: 259817 (1882-06-01), Cheever
patent: 1384769 (1921-07-01), MacLaren
patent: 1565895 (1925-12-01), Blaustein
patent: 1837550 (1931-12-01), Kaehni et al.
Peaslee, Impact Fusion Workshop, "The Superconducting Slingshot," Aug. 1979, pp. 213-214.

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