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To: techdiver@opal.com
Subject: Re: DUI CF200 drysuits
From: "Andrew Potter, ISC DCO&TS (475-6994)" <AWPSYS@ri*.is*.ri*.ed*>
Cc: ~awpsys@ri*.is*.ri*.ed*
Date: Wed, 22 Sep 1993 15:04:19 -0400 (EDT)
I have owned a CF200 custom suit for over a year and I swear by it.

The nylon covered crushed neoprene is very supple and hence the suit is not
made to be oversize and hang in all sorts of folds about you to allow you to
do simple things like bend over.   Unlike a normal neoprene, you do need an
undergarment although the suit does provide some insulating ability.
Its flexibility is truly its biggest benefit.  You can self don the suit.
It is a very comfortable suit.   The Self Donning zipper (accross the sholder
down to the left center waistline doubles as a convenient relief zipper so you
do not have to remove the neck and wrists seals to relieve yourself.

I have worn jeans and a tee shirt in it for typical northern summer diving
(60-70 degree waters) and pile undergarments in cold early spring water
(36 to 55 degrees). Diving with summerweight clothing allows me to dive
with less weight than a 1/4 inch wet suit.  Thick undergarments require me
to pile on the weight (as they do for most drysuits).

The construction is a VERY durable crushed neoprene (about 1/8 inch thick)
covered on both sides by a sturdy nylon facing. Crushed neoprene is a very
different animal than normal neoprene. It is VERY difficult to puncture
and has no trapped air in it. Regular neoprene can cut very easily as any
wetsuit owner who sits on something sharp will find out (I did).

I consider the CF200 an excellent drysuit.   The disavantage is its
price. (about $150 to 300 more than a Viking Pro).

I also consider DUI one of the most objective drysuit companies because they
make and sell ALL 4 major types of drysuits:  Vulcanized Rubber (like the
Viking), Bag suits (lightweight, low cost sport suit), Full neoprene,
and the CF series Crushed Neoprene).   I recommend picking up the DUI
catalog because it lists ALL their drysuits and very objectively rates
the pros and cons of each one.  

The catalog also lists neeto keen accessories that are of use for any drysuit
owner. One neet toy I got was the suit evacuator.  Its a gadget that you hook
up to the power inflator hose on a tank and press over the air vent valve on
the drysuit.  It uses pressurized air to create a venturi effect and literally
sucks the air from your drysuit. You use it out of the water before you dive
If you use too long, you will end up like a packed piece of meat
vacuum packed in the supermarket.  It eliminates the need to scrunch down and
hug yourself in an attempt to get the air out of your suit before diving.

One other neet item I am thinking about getting from the DUI catalog is the 
small Argon Gas bottle for use as a suit gas. As has neen discussed in 
either this list or Rec.scuba, Argon has better insulating qualities than air.  
Another benefit the catalog mentions about argon is the fact that it
is a fairly heavy gas allowing you to reduce the weight needed.


- Andy

Andrew W. Potter                            Internet: awpsys@ri*.is*.ri*.ed*
Associate Director                               Bitnet:   awpsys@ri*.BI*
Data Center Operations & Technical Support    Information Systems and Computing
Rochester Institute of Technology, P.O 9887, Rochester NY, 14623 (716) 475-6994

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