Ball-actuated tubular projectile

Details Ball-actuated tubular projectile Ball-actuated tubular projectile

1979-05-08

1981-03-31

Tudor, Harold J.

Ammunition and explosives

Igniting devices and systems

102DIG10, F42B 1100

Patent

active

042586259

ABSTRACT:
A spin-velocity actuated ball valve in a hollow-nose, hollow base projectile is positioned to selectively close or open a projectile. In the closed position normal propellant pressure or projectile carried propellant causes the projectile to achieve operational velocity. In the open position a conduit through the projectile reduces frontal area and tail drag caused by turbulence.

REFERENCES:
patent: 636485 (1899-11-01), Brown
patent: 1899618 (1933-02-01), Holthe
patent: 3136253 (1964-06-01), Kulesza et al.
patent: 3211099 (1965-10-01), Popovitch
patent: 3672301 (1972-06-01), Abbott
patent: 4029017 (1977-06-01), Hubsch et al.

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