File:Ammo 2 DSC 1001 (13374968143).jpg
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| Description |
Left to right, looks like a very large caliber high explosive round, then a well-worn and somewhat less-worn missile of some kind, then a pair of High Explosive Anti Tank (HEAT) shaped-charge rounds, one rather worn, and without the propellant cartridge, the other fixed to a cartridge case. The illustration on the whiteboard at the left shows how it works. Then an Armor Piercing Discarding Sabot (APDS) penitrator and complete sabot, un-mounted, and a similar sabot and penetrator mounted on a propellent cartridge. As the middle line on the white board suggests, "sabot" means "clog" or "shoe". Typical APDS rounds have three sabots arranged like petals, with a big, hollow, front. As soon as the barrel of the gun isn't holding them in place, they 'peel' off, leaving the pentrator flying along at an enormous speed. The theory is that the penetrator, smaller in diameter and lighter than a conventional shell, is going to come out of the cannon going even faster than a conventional shell, and lose speed more slowly because of its small frontal area. Making it very dense- tungsten or depleted uranium (with the more unstable isotopes removed) for example, means it carries a lot of energy a very long way. No free lunch - a heavier penetrator takes more energy (propellent) to get to a given speed than a lighter one, but it will carry that energy. Think of a small balloon, a soccer (futbol) ball and a bowling ball. Same-ish size and shape, vastly different densities, and effective ranges. |
| Date | |
| Source | Ammo_2_DSC_1001 |
| Author | Bill Abbott |
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This image was originally posted to Flickr by wbaiv at https://flickr.com/photos/9998127@N06/13374968143. It was reviewed on 15 April 2023 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-sa-2.0. |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
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| current | 11:36, 15 April 2023 | | 2,809 × 2,080 (990 KB) | Юрий Д.К. (talk | contribs) | Transferred from Flickr via #flickr2commons |
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