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Russia's tanks in Ukraine have a 'jack-in-the-box' design flaw. And the West has known about it since the Gulf war

Rogue Valley

Putin = War Criminal
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Apr 18, 2013
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Russia's tanks in Ukraine have a 'jack-in-the-box' design flaw. And the West has known about it since the Gulf war


Russian tanks with their tops blown off are just the latest sign that Russia's invasion of Ukraine isn't going to plan. Hundreds of Russian tanks are thought to have been destroyed since Moscow launched its offensive, with British Defense Secretary Ben Wallace on Monday estimating it had lost as many as 580. But Moscow's problems go beyond the sheer number of tanks it has lost. Experts say battlefield images show Russian tanks are suffering from a defect that Western militaries have known about for decades and refer to as the "jack-in-the-box effect." Moscow, they say, should have seen the problem coming. The problem relates to how the tanks' ammunition is stored. Unlike modern Western tanks, Russian ones carry multiple shells within their turrets. This makes them highly vulnerable as even an indirect hit can start a chain reaction that explodes their entire ammunition store of up to 40 shells. The resulting shockwave can be enough to blast the tank's turret as high as a two-story building, as can be seen in a recent video on social media. "Any successful hit ... quickly ignites the ammo causing a massive explosion, and the turret is literally blown off." The flaw means the tank's crew -- usually two men in the turret and a third driving -- are sitting ducks, said Nicholas Drummond, a defense industry analyst specializing in land warfare and a former British Army officer. "If you don't get out within the first second, you're toast."

Drummond said exploding munitions are causing problems for almost all of the armored vehicles Russia is using in Ukraine. He gave the example of the BMD-4 infantry fighting vehicle, typically manned by up to three crew and able to carry another five soldiers. He said the BMD-4 was a "mobile coffin" that was "just obliterated" when hit by a rocket. But the design flaw with its tanks should be particularly galling for Moscow as the problems have been so widely telegraphed. They came to the attention of Western militaries during the Gulf wars against Iraq in 1991 and 2003, when large numbers of the Iraqi army's Russian-made T-72 tanks suffered the same fate -- turrets being blown from their bodies in anti-tank missile strikes. Drummond said Russia hadn't learned the lessons from Iraq and that consequently many of its tanks in Ukraine featured similar design flaws with their autoloading missile systems. When the T-90 series -- the successor to the T-72 -- came into service in 1992 its armor was upgraded but its missile loading system remained similar to its predecessor's, leaving it just as vulnerable, Drummond said. The T-80, another Russian tank seeing action in the Ukraine invasion, has a similar missile loading system.

The Kremlin doesn't design its tanks with the safety of the crew in mind. US M1 Abrams tanks have a totally different system of shell storage and retrieval from a sealed compartment.

This Russia design flaw renders their battle tanks exceptionally vulnerable to US Javelin anti-tank missiles, which are programmed by default to strike the tank turret.
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