David,

What Twin Tank system are you diving?  The 400G is just a little restrictive
correct, so you loosened the harness to ge able to reach the isolator valve
and end valves, right.  Do you also loosen the waits belt when doing the gas
shutdowns?

-----Original Message-----
From: Shimell, David (shimell) [mailto:shimell@se*.co*]
Sent: Monday, September 11, 2000 3:26 PM
To: Andy Kerslake; Don Hoover; Peter Fjelsten
Cc: Quest (E-mail); Techdiver (E-mail)
Subject: RE: Diveware Undergarments (400G vs. 200G or 300S Jumpsuit)


All

I have both 200g and 400g, having bought the 400g this year.  My intent was
to dive the 400g during the colder months and revert to the 200g for the 3
months mis-appropriately called Summer in the UK.  I am still wearing the
400g as it is so warm.  DUI do 400g booties as well.  However, the suit is
more bulky and requires about 2 Kg additional weight to compensate.  I had
to
slacken my harness a tad to ensure that I could still do gas shutdowns with
relative ease.

To give you a non-scientific comparison, at the end of April I first used my
400g Thinsulate and I was comfortable on a 90 minute dive (50 minutes being
ascent and deco therefore static) in 9 deg C and probably colder on the
bottom.  Had I been using my 200g thinsulate, I would have been limiting my
in-water time to 70 minutes.

David Shimell
shimell@se*.co* <mailto:shimell@se*.co*> 
DDI: 01932 814096 * Mobile: 07770 282 202 * Fax: 01932 814343
Project Manager, IBM UK Web Server Group, Sequent Computer Systems Ltd,
Weybridge Business Park, Addlestone Road, Weybridge, Surrey, KT15 2UF, UK
registered in England and Wales under company number: 1999363, registered
office as above

-----Original Message-----
From:	Andy Kerslake [SMTP:andy_kerslake@co*.co*]
Sent:	Monday, September 11, 2000 12:35 PM
To:	Don Hoover; Peter Fjelsten
Cc:	Quest (E-mail); Techdiver (E-mail)
Subject:	Re: Diveware Undergarments (400G vs. 200G or 300S Jumpsuit)


----- Original Message ----- >
> What is the most common exposure protection undergarment used in Europe?
> What are you using as protection?

A lot of us use 400G as well you just have to limit the exposure times in
cold water otherwise deco becomes more of a lottery.

Andy


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