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jim, you could either have a double seal( where a second set of seals start a few inches lower but i don't know it that would work) or just extend the suit over the seals like kuffs they could have a velcrs strap for tightening but wouldn't be watertight. the laytex underneath would then be protected. anyway as far as wrist seals go if you are cold water diving they are covered by gloves. Just thoughts i don't know if it would actually work and you might have to sacrifice a little bit of drag but i suppose its better than hypothermia. as far as suit heaters i would get all the heating pads etc in order and leave the battery pack or whatever at the deco stop. In the event of a flooded suit they may give the diver some extra time. But i wouldn't use them throughout the dive. There was on heating system for drysuits that used a chemical reaction(ibelieve it was h2o2) that when it broke down it heated water and inturn heated the divers underwear. I soaw some program on it several years ago but don't know what became of it. STEVE > >You are going to have to figure out a way to make kelvar latex wrist and >neck seals. > > Jim > >On 9/4/98 1:36 PM Steve Schinke wrote: > >>everyong seems to be suggesting ways to keep warm if the suit rips. The >>other option is to make a suit that wont rip. >>try having someone custom make a kevlar drysuit. Although it doesn't >>help with the insulation problem it will be almost imposible to tear >>especially if it is made with the stuff they make knife proof vests. It >>might also be possible to have a suit with double seals at the neck and >>wrists. just another angle on the situation. I don't know if this would >>even be possible or economically freezing but is something to consider. >>A friend i dive with has a suit (i think its a harveys)its pretty old >>but it is a balistic nylon suit with built in nlyon coveralls. they are >>like a protective cover. Water can freely move between the outer and >>inner layers and it acts as a protective barrier. I do not no how much >>protection it offers. but he has never had a tear. >> >>STEVE > > > ------------------------------------------------------------------- > Learn About Trimix At http://www.cisatlantic.com/trimix/trimix.html > > > ______________________________________________________ Get Your Private, Free Email at http://www.hotmail.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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