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At 06:55 AM 10/23/99 +1000, Bruce Stewart wrote: >In some caves here the line installed is about 6 to 8 mm and has in some >cases has been >in place for years with only minor abrasion, this depends on how its >rigged of course. > >Maybe replace the line with something a little more abrasion resistant and >thicker in the >tight areas or where the line cops a beating. Since I'm no cave diver I may underestimate the problems of getting a long, thick rope into a cave but for a permanent line it would seem like the obvious choice. Anything permanent I'd put on a wreck would be very different from a standard wreck line on a reel. It's stronger, easier to hold on to and not as prone to twisting and snagging. Why aren't "real hawsers" used for permanent lines in caves, properly tightened and well secured? If it's impractical that's a valid reason. If it's more like "cave line is strong enough and that's what we use anyway" it might be prudent to reconsider. regards, Hans -- Send mail for the `techdiver' mailing list to `techdiver@aquanaut.com'. Send subscribe/unsubscribe requests to `techdiver-request@aquanaut.com'.
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