Ammunition and explosives – Igniting devices and systems
Patent
1976-03-10
1977-04-05
Tudor, Harold
Ammunition and explosives
Igniting devices and systems
102 52, 102 93, 102DIG1, 102DIG7, F42B 502
Patent
active
040155277
ABSTRACT:
A caseless round adapted for use as a high velocity armor piercing round which, in turn, is ideally suited for use by aircraft in air-to-air and air-to-ground modes. The preferred embodiment includes: a hollow, completely combustible, cylindrical-shaped casing with the aft closed and having an aperture therein; an aft grain charge and a fore grain charge, both hollow, cylindrical-shaped and open-ended, with the grain charges wholly within the casing and abutting each other and the internal surface of the casing; a primer charge wholly within the hollow aft grain charge at the aperture of the closed end of the casing; a booster charge also disposed wholly within the hollow aft grain charge, and abutting with the primer; a metal, high-density flechette, with a suitably shaped tip at the forward end and a plurality of spin-stabilizing fins at the aft end, centrally located wholly within the hollow fore grain charge; an open-ended sabot made of a plurality of identical glass reinforced polyester resin sections surrounding the flechette and having an air-catching fore end; a first seal of nylon, with an integral rotating band ring, fitted over the sabot; a nylon fore boot seal fitted over the aft open end of the sabot, and interposed between the first seal and the sabot; a nylon aft boot seal made of a plurality of identical sections forming a cavity in which the fins of the flechette are loosely fitted, and having a forwardly disposed air-catching groove. Among the advantages of the use of this round is the fact that it is significantly lighter than prior art rounds; results in shorter flight times to the target; and, thereby substantially increases hit probability.
REFERENCES:
patent: 3262391 (1966-07-01), Shober
patent: 3427648 (1969-02-01), Manning et al.
patent: 3482516 (1969-12-01), Farmer et al.
patent: 3585934 (1971-06-01), Mueller et al.
patent: 3662686 (1972-05-01), Baldini
patent: 3688697 (1972-09-01), Paul et al.
patent: 3802345 (1974-04-01), La Costa
patent: 3894492 (1975-07-01), Barr et al.
patent: 3897729 (1975-08-01), Schuneker
Rusz Joseph E.
Tashjian Arsen
The United States of America as represented by the Secretary of
Tudor Harold
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