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Thick neoprene compresses with depth, the deeper you go the more it's insulation value decreases, On the other hand a shell suit with 200 - 400 weight thinsulate underwear will keep you just as warm especially if using argon. So if your weighted properly at the surface and go to 30 feet, your suit compresses to 1/2 its original thickness right, now your suit is not as buoyant as at the surface and your weighting is all screwed up. Now go down to 300 feet. Your THICK neoprene is now just as thin as any shell suit and your weight is all screwed. Personally I use a Viking drysuit with 200 weight thinsulate in the summer months, in the winter I use 400 weight thinsulate underwear and about 5 extra pounds of lead. Viking are nice and easy to repair, maintain, but really limit your mobility (try reaching your tank valve to turn it off). I do plan however to get a DUI crushed neoprene, they are tuff as nails and allow considerably more freedom of movement then a Viking does. By the way, 18 dives in December, all in the 60 min run time range, temp 3 - 4 degrees celsius and still warm. Richard Hayward HD Diving Services 23 Montgomery Avenue Sault Ste. Marie, Ontario, Canada P6B 1M4 Phone (705) 949-3431 Fax (705) 949-1580 -----Original Message----- From: Atle Aamodt <aaamodt@on*.no*> To: Jason Weisacosky <hypoxic@tr*.mi*.or*>; Jeremy Downs <dcrco@jp*.ne*> Cc: techdiver@aquanaut.com <techdiver@aquanaut.com> Date: December 18, 1997 4:06 AM Subject: Re: Dry Suit Diving. > >Can anyone give me a good reason not to use a thick neoprene drysuit, the >best available underwear and Argon under the following conditions : > >Fresh water >Deep Dive - 100 meter - 20 min bottom time >4 degres celsius temp. > >Would anyone do this in a "bodybag" ? In case what kind of "shell-suit" >would be warm enough ? > >Atle Aamodt >Scandinavian Techdiver Website and Mailing-list >http://tekniskdykking.org > > > >---------- >> From: Jeremy Downs <dcrco@jp*.ne*> >> To: Jason Weisacosky <hypoxic@tr*.mi*.or*> >> Cc: Paul Kaufman <pkaufman@sc*.cc*.ne*.us*>; techdiver@aquanaut.com >> Subject: Re: Dry Suit Diving. >> Date: 18. desember 1997 06:14 >> >> Jason, >> Thank you for the tempered response this time (I think) and the real >> answers. First I want to say that I read through your entire post and >I'll >> admit your completely right (especially on the neoprene suit crap). But >> there is a catch, it doesn't change what I was trying to say, in fact I >> never refered to cave diving or heavy gear configurations, I believe I >> clarified this up early on (go back and reread my posts). But my method >does >> work very well for single tanks and reasonable doubles while simplifying >> gear useage and task loading. I don't see how this is stupid or dangerous >in >> any way in fact it is a real blessing to those who give it a try. >Remember >> there are many different applications in diving where you need to adjust >> various techniques according to your circumstances. >> >> At 03:41 PM 12/17/97 -0600, Jason Weisacosky wrote: >> >the other hand, seem to be hard headed enough to take your view down in >flames. >> >This is not, in part, a bad character trait, but combine it with a case >of the >> >peckerhead and you become a liability for all of us. >> >> -- >> Send mail for the `techdiver' mailing list to `techdiver@aquanaut.com'. >> Send subscribe/unsubscribe requests to `techdiver-request@aquanaut.com'. >-- >Send mail for the `techdiver' mailing list to `techdiver@aquanaut.com'. >Send subscribe/unsubscribe requests to `techdiver-request@aquanaut.com'. > -- Send mail for the `techdiver' mailing list to `techdiver@aquanaut.com'. Send subscribe/unsubscribe requests to `techdiver-request@aquanaut.com'.
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