Standardizing your mixes is probably a good idea.  This allows you to
mark bottles permanently, and to find out what deco works for you
without the additional variable.  I use the following trimixes: 10/60,
18/40, 35/30, 50/25  (I just recently started using helium in this one
- I have yet to get a good feel for this), and 100% O2.  It is better
to err high on the helium and low on the oxygen, rather than the
alternative.

-Sean


On Mon, 04 Oct 1999 12:45:19 +0200, Simon Murray wrote:

>I know that this is an old thread, but I have been out of touch for a while.
>
>I am a competitive, amateur cyclist  and until recently, I was only doing
mixed gas
>ocean diving which involved relatively infrequent trips to the coast (500+ km's
>away).  After these trips, I always noticed that cycling performance was, much
to the
>delight of my training partners, pathetic for at least several days after
returning
>home.  It never occurred to me that this was as a result of damage done to my
body
>during the dives.  Now that I am doing some cave diving, I will be diving much
more
>frequently and the thought of not being able to inflict pain on the other
riders in
>the bunch is too much to bear.
>
>From reading the previous posts, I understand that it seems to be well
accepted that
>diving with the wrong gasses will severely decrease athletic performance for a
few
>days, post dive.  George recommends at 30/34 mix for 40m dives + correct deco
gasses
>and techniques.  Are there guidelines that I can use to determine what mixes
to use on
>deeper dives, say 50-70m in order to enable me to be up and racing the next
day ?
>Would helium added to my deeper deco gas help ?
>
>Thanks,
>
>Simon Murray

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