Practice shell particularly useful for training purposes

Details Practice shell particularly useful for training purposes Practice shell particularly useful for training purposes

1982-09-07

1984-05-08

Tudor, Harold J.

Ammunition and explosives

Projectiles

Target marking

102334, 102444, 102498, 102529, 102473, F42B 920

Patent

active

044467940

ABSTRACT:
A full-caliber shell for training purposes to be fired with a low charge in a large-caliber firearm, e.g. a howitzer or a gun. THe shell comprises a front part (1) made of heavy material and an effect part casing (2) and a bottom unit (3) substantially made of plastic material which is highly resistant to high pressures. The effect part casing comprising the effect part and the bottom unit is arranged to withstand the great stress forces which arise in connection with the firing of the shell in the howitzer when the heavy front part is to be accelerated by means of said effect part and bottom unit. The stress forces are then very pronounced, and are of the magnitude of those arising in connection with the firing of a steel shell with the corresponding charge. The heavy front part (1), the effect part with its charge, and the bottom part are carefully balanced in relation to each other so that they give ballistics and a weight which makes the new shell substantially equal to the steel shell which the new shell is to supersede. In addition to the effect part casing the effect part comprises a tubular unit arranged coaxially in the effect part casing. The effect part casing and the tubular unit are connected with spoke-formed elements which extend in the longitudinal direction of the effect part. The shell can be made at a very low cost, has a small risk upon impact, and gives a good indication effect and great safety.

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patent: 3308759 (1967-03-01), Sorenson
patent: 3848532 (1974-11-01), Abbott
patent: 3911824 (1975-10-01), Barr et al.
patent: 4109579 (1978-08-01), Carter
patent: 4218976 (1980-08-01), Luebbers
patent: 4227460 (1980-10-01), Krone

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