Date: Fri, 07 Nov 1997 01:22:15 -0800
Penguin thought that y'all might find some value in an off-line discussion we've
been having about hypoxia. So here goes:
----------------------
Me:
> I am personally somewhat "hypoxia-tolerant" so giving up that
Penguin:
>"Probably"
I used to fly for years without O2. I got hypoxic so many times that I now
know the warning signs for my body very well. These vary from individual
to individual. Some people get spacey, some get headaches, etc. For me,
it is slight hyperventilation followed by a distinctive warm tingling
feeling in the upper halves of my ears.
Now, as soon as my ears get warm and tingle, I stuff the bar and dive down
to at least 12k. That stops the tingling and the hyperventialtion. After
5-10 minutes down low, I can usually climb back to higher altitudes and
continue on.
Back when I was young and stupid (and didn't understand the warning signs)
I got REAL hypoxic on one flight. I was racing down the Whites on a
booming high day, under a cloud street, maintaining a solid 18k - 19k the
whole way (subtract 1000 feet from those numbers if you happen to work for
the FAA :-)
I was taking some really DEEP breaths, and breathing pretty fast too.
(**Missed warning sign #1**).
As I apprached White Mountain Peak, I glanced at my thermometer which read
10 deg F. I had been real cold earlier, but now, with all the warm
tingling in my ears, and the euphoric I-can-do-anything feeling in full
gear, I didn't think it strange at all that I was feeling cozy. (**Missed
warning signs #2 & #3**)
I figured it was about time to call my trusty driver with a position
report. Kristy had driven for us for years. But damned if I could
remember her name! (**Missed warning sign #4**)
I then began to wonder where my best friend and flying buddy was. I knew
he was behind me somewhere, I couldn't see him, so I decided to call him on
the radio. Damned if I could remember his name either! (**Missed warning
sign #5**)
As I approached Boundary Peak, still at 18.5k, I scanned out into Nevada to
see what the conditions looked like. But things out there seemed unusually
fuzzy, and there was this weird darkness all around the edges of my vision.
Kinda like looking down a tunnel, but a very wide tunnel. And I normally
have great vision, no contacts, no glasses. (**Missed warning sign #6**)
At the end of the mountains I looked around to find Janie's. As you
probably know, it is right down there directly ahead and below at this
point. There is a big dirt airstrip marking the place, and it is just
across Hwy 6. You can't miss it. But I sure did! I was suddenly
completely disoriented. (Missed warning sign #7**)
I decided to ask for help, even though I was really embarassed about not
remembering anyone's name. So I said, "Hello, this is, um, um, Eric, is
that um, Janie's down there?" I was looking at the truck stop on top of
the pass as you head out Hwy 6 toward Basalt and Coaldale.
Now think for a moment about how STUPID a question that was:
1) They didn't know where I was.
But when I got the response "Huh? What are you TALKING about!" I got all
testy and yelled at Kristy for not being more helpful!! (Missed warning
sign #8**)
Kristy kept her cool and started repeating (about 10 times or so, I was
being real stupid and beligerant), "Listen to me. You are TOO HIGH. You
are hypoxic. Come down lower. Pull in the bar. Find sink!"
Naturally, with me being Superman and all, (Missed warning sign #9**) I
totally ignored her and started out for Nevada. Fortunately, as soon as I
left the mountains, I hit some of the strongest/smoothest sink I had ever
felt. Must have been descending at close to 2000 ft/min. I kept flying
toward what I assumed was Janie's (the unlandable truck stop).
I came down so fast that O2 started hitting my brain pretty quickly. My
vision started to clear. I remembered Kristy's name. And damn, what the
hell am I doing gliding to that power-line-filled truck stop!!
Knowing that I had totally blown it, had my driver and friend totally
worried, and had been a complete ass, I pointed my nose toward the REAL
Janie's. I fought my way back through a STRONG headwind to just barely eek
it in over the fence. The trees were bending over. It must have been
blowing 30+ on the ground. Made an otherwise uneventful vertical landing.
Now I get the hell down lower if ANY of those warning signs show up. And I
always fly the Owens with O2. I'm just not certain that I need continuous
O2, or O2 all the way down to 11k which is where my EDS kicks in at. A few
good inhales every few minutes should be enough, more if any warnings appear.
Regards,
Eric June
From: Eric June
To: hang-gliding@lists.utah.edu
Subject: Hypoxia in the Owens
> 8-hour lifetime on EDS for somewhat less time without it probably won't
> kill me.
>
>Makes me nervous...
2) They surely didn't know what I was looking at!
ericj@kudonet.com
http://www.kudonet.com/~ericj/hang.htm