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In coldish water I find the DUI 400g thinsulate excellent. On longer wreck dives (2-3 hour run times approx) in Scotland last year in 8 degree water (spring time) I was warm all the way through the stops. In very cold water (4 degrees and lower) I tend to leave some extra weights at the deco station which I can clip on at the upper stops and hence pump some more gas into the drysuit to afford extra insulation. After this try argon and if necessary heater technology - I think it is being cold at deco which is not DIR - but I stand to be corrected! My favourite rule here is avoid long deco dives in the winter. Ain't no fun hanging around freezing your bollocks off. Between November and April I stop deep wreck diving and just focus on cave trips - without much deco. I was in the Ressel at the weekend which was fine (water temp about 11 degrees) but the short deco stops in the River Cele were bone chilling (2 degrees). I know this is a bit of a pussy philosophy but I dive for enjoyment and cold does not enter that equation. Regards Mark PS Not sure about what your options are in Denmark ;-) ----- Original Message ----- From: Peter Fjelsten <fjelsten@ma*.do*.dk*> To: Kevin Connell <kevin@nw*.co*> Cc: <trey@ne*.co*>; Sean T. Stevenson <ststev@un*.co*>; <techdiver@aquanaut.com> Sent: Monday, January 17, 2000 7:11 PM Subject: Re: balanced rig, proper weighting and buoyancy > Den 16:28 17-01-00 skrev Kevin Connell: > >The C-4 400g doesn't cut it for me in cold water on long (2hrs+) > >dives. What are those crazy guys over across the pond using the in the > >cold caves? > > I'm not diving in caves but in the ocean which now is a 'balmy' 4 degrees > C. The way _I_ see it there _is_ a problem with really cold water. The > electric heater/chemical heater route is probably not DIR (though I am > somewhat contemplating the latter) so that leaves only insulation though > various fabrics. I dive the CF200 (which is warmer than the TSL) with > polypropylene & 400 g Thinsulate (an a wooly vest) but I am still cold. > > Due to my skinny frame I have to apply Option No. 1 on longer dives in > winter. Please let me know if you find any good hints. > > -- > 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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