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From: "George Irvine" <george-irvine@em*.ne*>
To: "Steve Schultz" <se2schul@bl*.ma*.uw*.ca*>
Cc: <techdiver@aquanaut.com>
Subject: RE: Pictures of Miss Lindsey trip to U-117, 6/22/02
Date: Fri, 28 Jun 2002 06:18:25 -0400
No, we plan on using the entire stage, so you can figure out where to turn
if turning is an issue. The 1/2+ thing is cave, and that depends on the flow
anyway - less in a siphon, more in a spring.

Stages are a major convenience and allow you to dive with a far greater
reserve factor. The strokes never figured out how to rig or use them, so for
them it is a big CF. For us, it feels normal. I can understand that - if
bottles are not rigged just right, they are a nightmare, and almost nobody
out there rigs them right. Obviously we do, otherwise we would not be able
to get such massive distances in caves.

-----Original Message-----
From: Steve Schultz [mailto:se2schul@bl*.ma*.uw*.ca*]
Sent: Thursday, June 27, 2002 11:37 PM
To: George Irvine
Cc: techdiver@aquanaut.com
Subject: RE: Pictures of Miss Lindsey trip to U-117, 6/22/02


Do you dive the stage to halves + 300 or thirds or something else?

ss

On Thu, 27 Jun 2002, George Irvine wrote:

>
> Christina, in one of your pictures of JT and the boys, you mention using a
> stage bottle as a "new DIR/GUE practice for deep wreck diving". This is
not
> new. Our thinking in cave or deep wreck is to use stages and save the
> backgas for issues, just as when we dive rebreathers, we have our doubles
> with them as bailout and run the rebreather from a separate supply bottle.
>
> For boat diving offshore where multiple dives or days of diving are at
hand,
> clearly using stages is more logistically friendly as well.
>
> I have been diving my entire adult life and have seen my share of
> situations, have pulled of open circuit cave dives that don't even seem
> possible on the available gas, and I am not deluded enough to think I am
> going to get out of a bad situation, or get my buddy out of a bad
situation
> in any type of dive , on a tiny supply of reserve gas either on open
circuit
> doubles or a rebreather with a tiny supply or tiny bailout bottle.
>
> We require this kind of planning in the WKPP, and GUE teaches it as well.
JT
> Barker and his guys are also well aware of the realities of deep wreck,
and
> are setting a great example by doing things in a fashion that does not
rely
> on a rabbit's foot to bring them back.
>
>
> -----Original Message-----
> From: Christina Young [mailto:christi5@ix*.ne*.co*]
> Sent: Wednesday, June 26, 2002 11:02 PM
> To: techdiver@aquanaut.com; rebreather@nw*.co*
> Subject: Pictures of Miss Lindsey trip to U-117, 6/22/02
>
>
> Hi Everyone,
> I've posted pictures of the trip to the WWI German U-boat U-117 on the
dive
> boat Miss Lindsey, June 22, 2002, on my site:
>
> Page I:
http://www.christinayoung.com/pages/diving/misslindsey/u117-02a.htm
> Page II:
http://www.christinayoung.com/pages/diving/misslindsey/u117-02b.htm
>
> Stay tuned for pictures of the June 23 Miss Lindsey trip to the German
> battleship Ostfriesland!
>
> Enjoy,
> Christina
>
> ----------------------------------------------
> Christina M. Young
> mailto:christina@ch*.co*
> http://www.christinayoung.com
>
> "She who hesitates is lost..."
> ----------------------------------------------
>
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