LIGHT-GAS GUN FOR PRODUCTION OF SHOCK PRESSURE IN SOLIDS
HARRY DIAMOND LABS ADELPHI MD
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A 4-in. air gas gun modified to use light gases is capable of accelerating 150-gm masses to 4000 fps as a routine operation. Photoelectric means are employed to measure the projectile velocity to or - 1 percent. The first application provided normal impacts of flat-faced projectiles to produce a continuous range of shock pressures in solids.