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The Water Cooler
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Malaysia Air Flight 370
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<blockquote data-quote="cody6766" data-source="post: 2447717" data-attributes="member: 26511"><p>I'm not saying that the plane wasn't hijacked, I'm saying that some of the ideas proposed don't hold merit. </p><p></p><p>Here's wikipedia's entry for Boyle's law. Essentially, Boyle's law states that, given a constant amount of gas, as pressure decreases, volume increases. Therefore, a full balloon at 45K' will SHRINK during a descent to 30k'. The change isn't enough to cause organs to burst in a climb or a rapid decompression situation either. You could depressurize the jet and kill everyone aboard, but there would be no reason for a climb/decent/climb to do so. Hell, you could slowly depressurize the cabin and people would be hypoxic before they suspected any foul play. I bet most would just go to sleep. You could 'humanely' put the passengers down by a slow decompression using the aircraft systems or you could just dump the cabin pressure and knock them out in a few seconds. The pilots would just have to shut off the passenger o2 supply, don their masks and dump the pressure differential. Death would be from hypoxia, not ruptured organs.</p><p>As for the cell phone thing, I'm not saying that that wasn't their reason for adjusting altitude, but it's an amateur move. Flyers generally have an understanding of what 35k' means w/respect to miles and understand from experience that your phone doesn't come alive until a few thousand AGL at best. Little airplanes will get better signal than airliners because there is less airframe to block reception. Have you ever left your phone on during a commercial flight only to have a text show up on final? It's not because the message was sent when you were on final, it's because you were finally low enough to get reception.</p><p></p><p>Here's the wikipedia entry on Boyle's law. The pressure sensitive items could burst at altitude if the compartment depressurized, but people don't burst. I get a kick out of watching people with those camel back flip top bottles take their first drink on the jet. We keep the cabin alt at about 5000 feet and Tinker is at about 1200 feet. If people don't take a drink or equalize pressure in the bottle on climb out they normally get a squirt in the face when they flip the nozzle up to take their first drink. The gas in the sealed container couldn't expand, so it increased in pressure causing it to rapidly equalize with the ambient air in the cabin...i.e. squirt. </p><p></p><p>I'd bet my money that the jet was hijacked and the folks onboard are all dead, but they weren't killed by ruptured organs from a 15k' unpressurized descent.</p><p></p><p><a href="http://en.wikipedia.org/wiki/Boyle%27s_law" target="_blank">http://en.wikipedia.org/wiki/Boyle's_law</a></p></blockquote><p></p>
[QUOTE="cody6766, post: 2447717, member: 26511"] I'm not saying that the plane wasn't hijacked, I'm saying that some of the ideas proposed don't hold merit. Here's wikipedia's entry for Boyle's law. Essentially, Boyle's law states that, given a constant amount of gas, as pressure decreases, volume increases. Therefore, a full balloon at 45K' will SHRINK during a descent to 30k'. The change isn't enough to cause organs to burst in a climb or a rapid decompression situation either. You could depressurize the jet and kill everyone aboard, but there would be no reason for a climb/decent/climb to do so. Hell, you could slowly depressurize the cabin and people would be hypoxic before they suspected any foul play. I bet most would just go to sleep. You could 'humanely' put the passengers down by a slow decompression using the aircraft systems or you could just dump the cabin pressure and knock them out in a few seconds. The pilots would just have to shut off the passenger o2 supply, don their masks and dump the pressure differential. Death would be from hypoxia, not ruptured organs. As for the cell phone thing, I'm not saying that that wasn't their reason for adjusting altitude, but it's an amateur move. Flyers generally have an understanding of what 35k' means w/respect to miles and understand from experience that your phone doesn't come alive until a few thousand AGL at best. Little airplanes will get better signal than airliners because there is less airframe to block reception. Have you ever left your phone on during a commercial flight only to have a text show up on final? It's not because the message was sent when you were on final, it's because you were finally low enough to get reception. Here's the wikipedia entry on Boyle's law. The pressure sensitive items could burst at altitude if the compartment depressurized, but people don't burst. I get a kick out of watching people with those camel back flip top bottles take their first drink on the jet. We keep the cabin alt at about 5000 feet and Tinker is at about 1200 feet. If people don't take a drink or equalize pressure in the bottle on climb out they normally get a squirt in the face when they flip the nozzle up to take their first drink. The gas in the sealed container couldn't expand, so it increased in pressure causing it to rapidly equalize with the ambient air in the cabin...i.e. squirt. I'd bet my money that the jet was hijacked and the folks onboard are all dead, but they weren't killed by ruptured organs from a 15k' unpressurized descent. [url]http://en.wikipedia.org/wiki/Boyle%27s_law[/url] [/QUOTE]
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