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Date: Mon, 09 Mar 1998 10:50:25 -0600
From: Drew Mooney <dmooney@cy*.ne*>
Organization: Motorola CIG/SE
To: CAPTZEROOO <CAPTZEROOO@ao*.co*>
CC: dlv@ga*.ne*, tae@pe*.ne*, Wahoo2001@ao*.co*, algolden3@ju*.co*,
     Captdeep6@ao*.co*, chris_tyls@me*.co*, jonanderson@co*.co*,
     Scaleworks@ao*.co*, Wahoojan@ao*.co*, techdiver@aquanaut.com,
     TOM.MOUNT@wo*.at*.ne*, brownies@ne*.ne*, wwm@sa*.ne*,
     GIRVINE@bl*.ne*, GarlooEnt@ao*.co*
Subject: Re: Why Obesity in deep tech diving is a contraindication---gas exchange, revi

CAPTZEROOO wrote:

> Lets say you had a convyer belt full of buckets that gathered water from a
> lake & moved over a garden to dump out & water the plants.  The buckets  hold
> 5 gal of water each the fat convyr moves 50 buckets per minute. The george
> convyer 200 / min. These buckets are not dumped on the plants, but leak out
> slowly through holes in the bottom. Now these buckets can only release their
> water when they are actually OVER the plants. The water flows out of the
> buckets at 2 .5gal / min  the dwell time of each bucket on the convyer over
> the garden is one minute for the fat convyer but only 15 sec for the george
> convyer because it is going 4 Xs faster. Both convyers would dump the same
> amout of water.
>
> fat one 50 Bucket /min X  2.5 Gal/min X 1min = 125 gal
>
> George one 200 Bucket/min X 2.5 Gal/Min X .25 Min = 125 gal.
>
> The blood does not get to dump all of it's inert gas load each time it passes
> thru the lung. only part of it. How much of it is determined by the pressure
> differential & the physics of the gas transfer thru the alveoli.
>
> If you blood was able to dump it's full load each time thru the lungs it would
> only take a few circuts of the blood on pure o2 to completly cleanse the blood
> of inert gas.

Brilliant analogy. Can I buy some pot off you?



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