Don

The 300S is a Polartech material and not Thinsulate.  One of the most
important properties of Thinsulate is that it retains superior insulation
performance when wet.  I have a Polartec fleece for above water and it is
light and warm.  However, for underwater use Thinsulate is the best based on
experience and what I've read.

Why use something different when, almost without exception, people are
recommending Thinsulate?

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:	Don Hoover [SMTP:Don.Hoover@ds*.co*]
Sent:	Tuesday, September 12, 2000 11:57 AM
To:	trey@ne*.co*; Peter Fjelsten
Cc:	Quest (E-mail); Techdiver (E-mail)
Subject:	RE: Diveware Undergarments (400G vs. 200G or 300S Jumpsuit)

Thanks,

Is the DUI 300S Jumpsuit adequate for cave and non tropical diving with
exposures say for 2-3 hours including deco?

-----Original Message-----
From: trey@ne*.co* [mailto:trey@ne*.co*]
Sent: Tuesday, September 12, 2000 6:29 AM
To: Don Hoover; Peter Fjelsten
Cc: Quest (E-mail); Techdiver (E-mail)
Subject: Re: Diveware Undergarments (400G vs. 200G or 300S Jumpsuit)


I found that three hours with C-2 was where I got
cold at 67 degrees. I quit using it other than for
short ocean dives where my objective in using it is
to reduce the buoyancy diving here where the water
is in the 70's at deco, and I do not really need
much thermal. Dry suit diving in the winter here is
as much to stay warm on the boat as in the deeper
water. The Gulfstream never gets cold. Cave diving
and non tropical ocean diving is a different story.

I have not found a time that it takes to get cold in
C-4. We do not allow C-2 in the WKPP. Cold is as bad
as narcosis, it screws up decompression, and
hypothermia has its own set of problems.

One needs to be used to diving the same undergarment
all the time. I use my older sets for fun diving, my
newer stuff for longer dives, and brand new stuff
for the dives JJ and I do together.



>I understand the long hours in the water.  Is there
a standard based upon
>water temp. and time of exposure?
>
>-----Original Message-----
>From: Peter Fjelsten
[mailto:fjelsten@ma*.st*.dk*]
>Sent: Monday, September 11, 2000 7:07 AM
>To: Don Hoover
>Cc: Quest (E-mail); Techdiver (E-mail)
>Subject: Re: Diveware Undergarments (400G vs. 200G
or 300S Jumpsuit)
>
>
>Den 11-09-2000 12:49 skrev Don Hoover (At
11-09-2000 12:49 Don Hoover
>wrote)...
>>Given the DUI specifications below, why has the
WKPP chosen the 400G dry
>>suit undergarment as a standard rather than the
200G or 300S Jumpsuit.
>>Water temperatures in the FL caves average around
72 degrees F correct? :
>
>Even 72 F gets cold after 12 H.
>--
><name> Peter Fjelsten </name>
>--
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