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On Tue, Jun 28, 1994 4:53 PM Carl G Heinzl writes: >Is this really possible??? Can people really tell the >difference in the narcotic effect between 125 and 150' (on >air) ??? >... >Granted, I spent very little time at this depth (less than 3 minutes >for the 254' dive), but I was under 130 feet for approximately 15 >minutes and didn't notice any narcosis the whole time. This was >in warm water (80-84 degrees F). I can usually tell the difference. There are two sub wrecks near each other off Block Island, the U853 in 130 fsw, and the Bass in 160 fsw, that I dive frequently, sometimes both in the same day. I usually don't notice any narcosis on the U853 unless it's very dark or the water is exceptionally cold. On the Bass it is definitely there, especially when penetrating (the Bass is a very dark, tight and silty inside). It's easy not to feel narced on a tropical bounce dive with no task loading. Now try not raising silt or getting caught on the machinery while wearing a drysuit, doubles, and full wreck paraphenalia deep inside a sub in the cold dark North Atlantic, and you may suddenly find your head less clear than you thought! John
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