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No hypoxia from high altitude, only O2 valve off


SMH

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Tested the MiG-15 for hypoxia when unpressurized, and wasn't able to achieve it even after 50 minutes above 12km, including about 20 minutes above 14km (which is 46,000ft!)

Then I induced hypoxia by turning off the oxygen valve. That worked as expected, things rapidly got blurry and lost color saturation, except I was able to recover just by turning the O2 back on. Didn't need to pressurize or lose altitude. That doesn't sound right to me.

Would be nice to have a reason to need to use the pressurization system. Thanks! (Have a track but it's 15MB, too big to upload here. Can you just trust me? Easy enough to verify, though it takes an hour of flying.)


Edited by SMH
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