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#21
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Oximeter's
Marc,
Your experiment appears to confirm our thinking that we should be oxygen when flying above 10K. In our last several long cross-country trips, we flew at 9K and 10K approximately 3-4hrs stretches and did not feel tired or any differences from flying at lower altitudes. Others may need oxygen at lower elevation. I knew few heavy smokers with limited lung capacity having to drag oxygen bottles along all day. Of course the oximeter is a very useful device but oxygen supply is the key to our health and safety. I'm not at all against the use of oximeter but would certainly get O2 bottles before buying an oximeter. Come to think of it, yawning is a pretty good oximeter too ;-) Hai Longworth |
#22
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Oximeter's
Marc,
Your experiment seemed to confirm our thinkng that we would need oxygen if flying over 10,000ft. Last July on our trip from NY to MI, when ATC asked us to climb from 8K to 10K, we were a bit concerned but was glad to see that our performance did not seem to suffer. In the next 3 long x-country trips, we filed at 10K and 9K and taking turns flying 3-4hrs stretches. Again, we never noticed any problems. Of course, we tried to have plenty of water and food. Few years ago, in our trip to Ecuador, we stayed at Quito, 10K elevation for several days. The first night, we both had headaches from dehydration and had to drink quite a few of the hotel $3.5 Evian bottles! The levels which you monitored also in the range indicated in this article http://www.mountainflying.com/oxygen.htm "The atmospheric pressure decrease at 10,000-foot altitude causes 523mm Hg ambient air pressure resulting in 87 percent hemoglobin saturation and 61mm Hg arterial oxygen." "The body requires hemoglobin saturations of 87-97 percent and arterial oxygen at 60-100mm Hg (millimeters of mercury) in order to function normally. Below this level the body is hypoxic" I'd expect that smokers or people with emphysema etc. may have lower hemoglobin saturation at lower altitudes. My thinking was that as long as we take precaution to use oxygen at above 10K, we would not need to monitor our body oxygen level if we remain healthy. Your experience and others convinced me that the oximeter is a very useful device and may be worth getting. I still plan to get the Oxygen supply first and will rely on yawning to monitor our fatigue until there is a good sale on the oximeter ;-) Hai Longworth |
#23
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Oximeter's
I'm not at all against the use of
oximeter but would certainly get O2 bottles before buying an oximeter. I'd get the meter before buying the bottles. You may find by using the meter that you don't need oxygen at the altitudes you do fly, and you may find that you need more oxygen than you thought (because you need it lower) and that would influence whether and what size oxygen to get. And it just bugs me that the thread title is in the possessive. Jose -- He who laughs, lasts. for Email, make the obvious change in the address. |
#24
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Oximeters
Just Deleteting the (') from the thread name.
:-) "Jose" wrote in message t... I'm not at all against the use of oximeter but would certainly get O2 bottles before buying an oximeter. I'd get the meter before buying the bottles. You may find by using the meter that you don't need oxygen at the altitudes you do fly, and you may find that you need more oxygen than you thought (because you need it lower) and that would influence whether and what size oxygen to get. And it just bugs me that the thread title is in the possessive. Jose -- He who laughs, lasts. for Email, make the obvious change in the address. |
#25
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Oximeter's
I'd be curious to see how many pilots use the oximeter while
using oxygen. 100% of the time. --- Ken Reed N960CM |
#26
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Oximeter's
Kyler Laird writes:
I reduced my wife's oxygen flow (because she was just resting anyway) but when we crossed the Mississippi and she couldn't think of the word "barge" I stuck her finger in the oximeter. She wasn't terribly low but she was lower than usual so we increased her flow a bit. Ed Gauss, the Alaska bush pilot, had another approach. His wife would fall asleep without O2, and he liked the company. So she'd play the harmonica -- that raised her respiration and kept them both alert... -- A host is a host from coast to & no one will talk to a host that's close........[v].(301) 56-LINUX Unless the host (that isn't close).........................pob 1433 is busy, hung or dead....................................20915-1433 |
#27
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Oximeter's
100% of the time.
Ditto. Used it yesterday when above 10,000. When cleared to 15,000 w/ a 70kt tailwind, I went without worry. And FWIW, I'd rather use it often and find the oximeter isn't working when it isn't critical then get it repaired. -- Thx, {|;-) Victor J. (Jim) Osborne, Jr. "Ken Reed" wrote in message ... I'd be curious to see how many pilots use the oximeter while using oxygen. 100% of the time. --- Ken Reed N960CM |
#28
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Oximeter's
Oxygen deprivation can be very insidious, and can worsen with time at
altitude. The symptoms of hypoxia also vary from individual to individual. We had a recent experience of flying at 10,000 for several hours when my son, who normally is a great passenger got very agitated and complained of a headache. His O2 saturation was 83%, and mine was running at around 85. We all put on the oxygen, and the headaches and fatigue went away, and for me, my color vision improved tremendously. I strongly recommend that any pilot go through an altitude chamber ride. It is very informative and a great experience. More importantly, it well help you recognize your individual symptoms of hypoxia. |
#29
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Oximeter's
Viperdoc wrote:
I strongly recommend that any pilot go through an altitude chamber ride. I'll second that; really worth your time... I went to Beale AFB and it was really educational (the ground school part is quite intensive and was given by an officer who flies U2 for a living); you can read about it he http://www.faa.gov/pilots/safety/pil...272005_web.pdf --Sylvain |
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