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Peter In the UK and in my experience, the current travels in the same direction wherever you are in the water column. I have not experienced conditions were currents go at different directions as I understand can occur in the USA. So, that being the case, I am drifting at roughly the same rate and direction as my DSMB and so have no requirement for significantly extra line. (I'm talking about wreck dives 80 m or less here - I have no experience beyond this depth in salt.) Of course the problem of being lost is exacerbated if you deploy at your first stop but don't do deep stops. Say on an 80m dive for 21 minutes, you're going to take about 5 minutes to get to the first stop and in that time you may have drifted 200-400m. As I said not a problem if you leave the bottom on schedule with the other divers, but it could be an issue otherwise, especially if you've swum to the other end of a long wreck. David Shimell Email: shimell@se*.co* <mailto:shimell@se*.co*> Project Manager, IBM NUMA-Q, Sequent Computer Systems Limited, Weybridge Business Park, Addlestone Road, Weybridge, Surrey, KT15 2UF, UK registered in England and Wales under company number: 1999363, registered office as above -----Original Message----- From: Peter Fjelsten [SMTP:fjelsten@ma*.do*.dk*] Sent: Monday, October 25, 1999 5:05 PM To: Shimell, David (shimell) Cc: Mark Dixon; Techdiver@aquanaut.com Subject: RE: Jersey reel Den 13:02 25-10-99 skrev Shimell, David (shimell): >Moral: always 3carry a reel with sufficient line to deploy from the wreck. Really? I mean those reels can become REALLY large, then. The method I've been using so far is the 'fire bag from someplace below first deco stop', but then again we don't have THAT much current. What you you do on really deep dives? With current and so on, you may find you'll need a reel with 200 metres of line. Is that practical? -- Send mail for the `techdiver' mailing list to `techdiver@aquanaut.com'. Send subscribe/unsubscribe requests to `techdiver-request@aquanaut.com'.
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