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#1
August 15th 05, 02:42 PM
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Tlme of useful
consciousness Altitude (ft) without oxygen 40,000 15 seconds 35.000 20 seconds 30,000 30 seconds 28,000 1 minute How, then, can someone like Ed Viesturs repeatedly climb the tallest mountain peaks in the world without supplemental oxygen? Is it because of the slower ascent and the time spent acclimating to the higher altitudes? John K. 
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#2
August 15th 05, 02:55 PM
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John Kirksey wrote:
How, then, can someone like Ed Viesturs repeatedly climb the tallest mountain peaks in the world without supplemental oxygen? Is it because of the slower ascent and the time spent acclimating to the higher altitudes? First, acclimatisation. Second, walking (and climbing) is different from flying. You don't need much brain to walk. When piloting, however, everything is about thinking. And it's the brain which needs the most oxygen. And maybe a third reason: There are exceptional people who are just better suited for such things than you and me. Stefan
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#3
August 15th 05, 03:00 PM
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Partially because he is acclimated and partly because he is Ed Visteurs.
Mike MU-2 "John Kirksey" wrote in message news:cZ0Me.4596$H_4.4209@trnddc07... Tlme of useful consciousness Altitude (ft) without oxygen 40,000 15 seconds 35.000 20 seconds 30,000 30 seconds 28,000 1 minute How, then, can someone like Ed Viesturs repeatedly climb the tallest mountain peaks in the world without supplemental oxygen? Is it because of the slower ascent and the time spent acclimating to the higher altitudes? John K.
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#4
August 15th 05, 05:24 PM
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"John Kirksey" wrote in message news:cZ0Me.4596$H_4.4209@trnddc07... Tlme of useful consciousness Altitude (ft) without oxygen 40,000 15 seconds 35.000 20 seconds 30,000 30 seconds 28,000 1 minute How, then, can someone like Ed Viesturs repeatedly climb the tallest mountain peaks in the world without supplemental oxygen? Is it because of the slower ascent and the time spent acclimating to the higher altitudes? That and by breathing like he's running a marathon. Sleep and you die. mo
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#5
August 15th 05, 06:08 PM
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Happy Dog wrote:
That and by breathing like he's running a marathon. Sleep and you die. This is just plain bull****. It's all about partial pressure. Stefan
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#6
August 15th 05, 07:01 PM
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"Stefan" wrote in message
... Happy Dog wrote: That and by breathing like he's running a marathon. Sleep and you die. This is just plain bull****. It's all about partial pressure. Breathing technique is crucial to high altitude activity. The technique is very similar to that used by joggers. moo
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