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Winter sea safety suit | |||||||||||||||||
Tragedies at sea in the winter frequently throw people into water whose temperatures cause fatalities within minutes. It should be possible to produce a waterproof double walled suit with membranes between the walls to maintain the shape. If a wearer is immersed in a winter sea a compressed gas capsule could inflate the suit to provide boyancy plus insulation from the cold water which should prolong the life of the wearer in this destructive environment.
sand, Dec 10 2004
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They already have them. They are called "survival suits" or "immersion suits".
I have looked into immersion suits and the literature indicates bulky coveralls with permanant insulation with no indication of an inflation scheme. It seems to me that a lightweight system involving an inflation scheme might be easier to wear and more boyant than the ones currently indicated
In a garment such as coveralls, the buoyant material needed to keep a person afloat would be relatively thin, as thin as 1/4," and could take the form of foam insulation that doesn't absorb water. The garment needn't look much different than traditional foul-weather gear. Keeping the person warm while immersed in near-freezing water is a much more challenging problem.