Air travel then diving
#1
Posted 27 April 2004 - 09:57 AM
no trees were harmed while posting any of my messages,
however a significant number of electrons were inconvenienced.
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#2
Posted 27 April 2004 - 10:24 AM
DSSW,
WWW™
#3
Posted 27 April 2004 - 10:32 AM
It points out two things. The recycled air in plane cabins is quite a bit dryer than desert air. Realistically, we should be asking for water when they come around with the drink cart or bring our own water bottle. As someone pointed out to me yesterday, we are typically dehydrated in any case over the normal course of our lives due to the other options that most of us choose for drinks over plain 'ole water.
The other factor is the increased recycling of the air can lead to issues with people picking up germs and that type of thing from other passengers. The article does not mention a "rule of thumb" as much as common sense.
Yet again, the sage Walter is correct. I just thought that I would elaborate a bit.
#4
Posted 27 April 2004 - 10:53 AM
DSSW,
WWW™
#5
Posted 27 April 2004 - 11:07 AM
Gee, we thought it was from clean living.I read a lot.
Now you're giving your secrets away, O' wise one.
#6
Posted 27 April 2004 - 11:45 AM
Actually, if it was all recycled air, it'd be pretty humid from mutual respiration - as that's one way we lose water in our bodies. The air that is blended in with the recycled cabin air is from outside - at 35,000 feet, which has virtually no humidity to it. Airlines don't add humidifieds to their planes as that would add weight and costs, so - breathing this dry air in and humid air out (just like we do on Scuba tanks) dehydrates us. Therefore, it's best to hydrate on planes.It points out two things. The recycled air in plane cabins is quite a bit dryer than desert air. Realistically, we should be asking for water when they come around with the drink cart or bring our own water bottle. As someone pointed out to me yesterday, we are typically dehydrated in any case over the normal course of our lives due to the other options that most of us choose for drinks over plain 'ole water.
The other factor is the increased recycling of the air can lead to issues with people picking up germs and that type of thing from other passengers.Â
Yep, that's the only real danger to air travel.
As far as landing, then diving, I know of no evidence or warnings. I activated a computer once on a flight from Dallas to San Juan PR, and the increase of pressure coming down made the puter think it was a 5 foot dive - that tracked for 2 hours before the puter turned off.
Edited by DandyDon, 27 April 2004 - 11:47 AM.
Yeah I know: I've been branded a non-group person - doesn't play well with others. I am so upset. Let me know if you want to have some fun, without the drama - I'm good for that.
#7
Posted 27 April 2004 - 09:26 PM
Good question, Mike. Diving after flying is all about timing. Remember the diver's corollary to the boy scout motto Be Prepared? It's "Be rested, be hydrated, be focused."
Edited by Giant Kelpfish, 27 April 2004 - 09:30 PM.
#8
Posted 27 April 2004 - 10:23 PM
Actually Doc, I am about to use that concept in a little exercise. I thought about it at work tonight. Stay tuned.Up late the night before trying to find fins, wetsuit, computer, C-card. Not much sleep thinking about how fun the diving vacation will be. Miss breakfast cause it's an early flight. Grab a cup of coffee on the drive to the airport. Aircraft dry air is a relatively minor, but true factor. Sitting in one place for 2-4 hours (or sometimes 6-12) is not good for circulation, and the tissues need some time to recover. Not much fluid intake on the plane. Get to the destination, standing in the sun waiting for luggage, customs, transportation, stand in line to check in, one fruit punch drink in the lobby if in the caribbean, then rushing to get wet. Excited about getting in the water. Too much weight, too many pizzas in the past (why is this wet suit so tight?). Who is this person assigned as my dive buddy? I wonder if he/ she is paying attention to me. breathing faster than normally. I wonder why my bouancy is off. Must have been a short fill, I can't have used up this much air already. I have to pee.
Good question, Mike. Diving after flying is all about timing. Remember the diver's corollary to the boy scout motto Be Prepared? It's "Be rested, be hydrated, be focused."
#9
Posted 27 April 2004 - 11:03 PM
#10
Posted 27 April 2004 - 11:47 PM
I am researching the possibility of stealing your concepts in this forum and applying it to safe diving in general. It won't be as good as the master's (ie. this forum) , but it should be informative (and knowing this crew totally perverted in about two days, LOL).
#11
Posted 30 April 2004 - 04:59 PM
#12
Posted 30 April 2004 - 05:05 PM
I resemble that remark.
DSSW,
WWW™
#13
Posted 30 April 2004 - 08:23 PM
Well, Walter- I'm glad you're honest.....Perverse? Can you believe he said, "perverse?"
I resemble that remark.
"I believe in Christianity as I believe that the sun has risen: not only because I see it, but because by it I see everything else." C. S. Lewis
#14
Posted 01 May 2004 - 01:16 PM
Walter, it's a good thing there is room in that gutter for all of us. Hope you enjoyed the diving this weekend.Perverse? Can you believe he said, "perverse?"
I resemble that remark.
#15
Posted 01 May 2004 - 06:55 PM
in all fairness, you should conduct this study when i'm completely offline (instead of just OUTTA line)...Maybe we could also do a study on the rate of change from innocent informative topic to perverse responses. I think this crowd would rival the speed of sound.
otherwise your data might be scewed (screwed?)
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