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Old 01-21-2016, 06:47 PM
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JamesNoBrakes
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Joined APC: Nov 2011
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Originally Posted by JohnBurke View Post
I'm not sure that there's any great advantage to getting cabin pressure to sea level. Most people don't live at sea level.
Looking at the population centers of the world, I'm pretty sure that most people DO live within 1000' of sea level.

I think the bigger issue is that the cost-to-benefit doesn't make sense after a while, otherwise the fuselage needs to be incredibly strong, which adds weight and decreases payload, so there's a point at which the returns are marginal, which is what I think you were trying to say.
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