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A couple comments on Curt Smitka's posting: >"Jersey Reel" > ...Typical line is usually 5/16 hemp of sufficient length to reach the > surface. This large reel is usually mounted to the back or side of a > set of double tanks. In an emergency situation the diver attaches a > small (50 lb.) lift bag to the hemp line, inflates the bag, and sends it Most Eastern wreck divers seem to have switched to synthentic line (typically 1/8" to 3/16"). I believe that most have done so because uplines aren't used routinely any more. This in turn is probably because many wreck divers are switching from "progressive penetration" to reels when navigating in low vis conditions (you don't have much chance of getting back to the anchor line in the New Jersey Mudhole unless you use a reel). As a routine personal deco line, hemp is great since it is cheap and biodegradable. As an emergency line it is lousy, since if not replaced often it may rot away and break when you most need it. My upline, wrapped with 300' of 3/16" nylon, is about 2.5" in diameter and 2 ft. long. I like to strapped to a stage bottle or the side of my doubles, where I can remove and replace it easily for penetration. Also, I'd recommend using a 100 lb bag. RE the great lakes reel - if the reel is only slightly positive, how do you manage in high current conditions? I would think that the current would tend to pull a diver in midwater down if there were not a bouyant force pulling the line up. Does the diver become positive, and hold on for dear life? John heimannj@ma*.nd*.gt*.co*
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