Solid propellant grain for improved ballistic performance guns

Details Solid propellant grain for improved ballistic performance guns Solid propellant grain for improved ballistic performance guns

1980-09-26

1983-06-07

Nelson, Peter A.

Ammunition and explosives

Powder form

Powder grain

102285, 102291, C06D 506

Patent

active

043865690

ABSTRACT:
A propellant grain for improved ballistic performance of guns, the grain prising a cylinder of generally hexagonal cross-section being provided with a plurality of perforations, preferably 37, passing therethrough. The perforations are disposed such that the interstitial distance between adjacent perforations is substantially equal and the extrastitial distance between peripheral perforations and the surface of the outer wall is substantially equal to the aforesaid interstitial distance. The novel shape of the solid propellant grain improves ignition and burning characteristics such that higher average pressures are maintained during projectile acceleration without increasing the maximum pressure within the gun barrel.

REFERENCES:
patent: 321374 (1895-06-01), Lyman
patent: 3226928 (1966-01-01), Webb et al.
patent: 3296794 (1967-01-01), Nash
patent: 3418811 (1968-12-01), Caveny et al.
patent: 4094248 (1978-06-01), Jacobson

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