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IPFS News Link • Science, Medicine and Technology

DSG's supercavitating underwater bullets annihilate ballistics tests

• arclein

The supercavitation effect can be produced, rather counter-intuitively perhaps, by giving the projectile a flat, disc-shaped nose with a sharp edge lip. This pushes water out of the way hard enough to leave an air bubble just big enough for the projectile to move through without its sides or back dragging against the water. In the case of torpedoes, boats and submarines, the effect can be enhanced by routing exhaust gases through to the tip so they can add to the air bubble.


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