Penetrating projectile system and apparatus

Ammunition and explosives – Igniting devices and systems

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102DIG7, 102 38MM, 175 2, F42B 1102

Patent

active

041239750

ABSTRACT:
A projectile having a length to diameter ratio greater than 6 to 1 is propelled from a launcher by a propellant charge toward a rock target at velocities of 500 ft./sec. and higher to more efficiently penetrate the rock for excavation purposes.

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