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I have the same mobility with the wet suit underneath as with the dry suit underwear when I am in the water, although generally I have used either a thinner wet suit (3mm) or a dive skin and the farmer john portion of the 1/4" suit. This last one does not provide much protection for the arms. For long exposures in cold water like you are suggesting, you probably want more protection for your arms as well. The 3mm full suit does provide protection there, but it is not as warm as the thick dry suit underwear or the 1/4" suit. I know haz-mat divers routinely use two drysuits, one over the other. I would imagine that the insulation goes underneath the first suit, and the second suit is sized larger to fit over the other one. If sized right, this might not reduce mobility too much. I can only guess here, since I have no personal experience. In a message dated 9/4/98 8:18:33 PM Eastern Daylight Time, ingemar.lundgren@mb*.sw*.se* writes: > > It most bee very bulky. Can you still reach your valaves? > > ---------- > > > > In a message dated 9/3/98 11:30:57 PM Eastern Daylight Time, > Grey@is*.ca* > > writes: > > > > > A drysuit over a wetsuit!! > > > I guess if you spent a little tine getting the buoyancy under control > it > > > would work.It is interesting enough that,as a cold water diver,I am > going > > to > > > give this a try! > > > > Actually, there was no bouyancy issue with this. I used about the same > weight > > with the wetsuit underneath as with the thick woolies (diving an aluminum > 80 > > where I needed additional weight). In warmer water, when I still want > the dry > > suit (say 65-70 degree water), I use a thinner wet suit (3mm) as my > > insulation, mainly because I've never bothered to shop for thinner dry > suit > > underwear. The bouyancy characteristics and drag of the dry suit is the > same > > with the wet suit underneath as with dry suit underwear. > > > > Just a point to remember, you want insulation that will keep you warm > even if > > it gets wet. Cotton garments won't do that because they keep moisture > next to > > your skin. Avoid using sweats or a t-shirt as a layer under the suit. -- Send mail for the `techdiver' mailing list to `techdiver@aquanaut.com'. Send subscribe/unsubscribe requests to `techdiver-request@aquanaut.com'.
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