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need picture of hopper car imploding when unloading when hatch is not open?
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[quote user="CopCarSS"]<p>Stupid Question Time:</p><p>If that can happen during a steam cleaning, can similar results occur as the result in a change of altitude? </p><p>[/quote]</p><p> </p><p>In Ed's very impressive example, it's not just "air pressure" that imploded the tank.</p><p> </p><p>It was the volume of steam condensing back into water, (phase change) creating a vacuum inside the tank. something like a 1000:1 ratio in volume delta, if I remember right. </p>
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