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Date: Wed, 17 Dec 1997 12:08:50 -0800 (PST)
To: "David Shimell (shimell)" <shimell@se*.co*>,
From: Jeremy Downs <dcrco@jp*.ne*>
Subject: RE: Dry Suit Diving.
This might be the sort of exception I was talking about. Now if your still
throwing a v-weight in there then you should lose some or all of that and
get back to a better control situation.

At 01:47 PM 12/17/97 GMT, David Shimell (shimell) wrote:
>
>
>I found diving on the suit was fine for single cylinder diving.  When I   
>went to a twinset, 2 stages and argon, we are looking at about 10 Kg (22   
>lb) of weight due to the gas.  (Weighting should be neutral for near   
>empty cylinders.)  Add to this some wrecking tackle 3Kg (6 lb) which one   
>must assume gets lost.  This means that we are talking about a lot of   
>additional gas that has to be put in the suit at the start of the dive to   
>obtain neutral buoyancy.  I find gas migration to be a problem in these   
>circumstances and so use the suit for comfort and wings for buoyancy.
>
>David Shimell
>Project Manager, Sequent Computer Systems Ltd, Weybridge, UK
>Email: shimell@se*.co*
>
> ----------
>From:  owner-techdiver[SMTP:owner-techdiver@aquanaut.com]
>Sent:  17 December 1997 03:13
>To:  Paul Kaufman; techdiver
>Subject:  Re: Dry Suit Diving.
>
>When properly weighted & adjusted (this is the key) I allways have   
>simpler
>and better control when using only the suit and completely ignoring my   
>wings
>during the dive. With this method your bouyancy is basicly automatic   
>(with
>shell suits) and you have less items to worry about. Everybody I have   
>talked
>into trying this has not gone back and their bouyancy control and   
>awareness
>(one less distraction) has improved.
>
>I even had a former student last month come up and ask me about how to   
>use a
>shell suit he had rented for the weekend so I briefed him on this   
>technique
>and went with him on his first dive to make sure everything went ok. This
>was his first time ever in a drysuit and only about his 20th dive ever.   
>I'm
>not overexaggerating at all here but within fifteen minutes his control   
>was
>as good as most seasoned divers I know (with or without a drysuit).
>
>I know George & Jim both don't advise this method but I hope they give it   
>a
>real try (this is about the only thing that I don't agree with them on).   
>I
>really can't say the same for neoprene suits since I have never tried one
>and their characteristics are different (although two converts have been
>neoprene users).
>
>At 02:08 PM 12/12/97 EST, Paul Kaufman wrote:
>>Eric,
>>
>>I always leave the auto-deflate on my TLS-350 set almost fully open   
>(least
>resistance).
>>Just add enough air to your suit to take off the squeeze.  Then use your
>wings to adjust
>>your buoyancy.  You have to remember that you are now dealing with two
>systems, but it
>>works better this way than trying to make all your buoyancy adjustments
>with the suit.
>>
>>Take care,
>>
>>Paul
>>
>>--
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>>
>>
>
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>

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