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JT, these things are hard to hit due to the top current which usually only extends down 150 feet, but can be up to 3 knots. We use 130 pound test dacron with a monel leader and a giant grouper ball to mark the wreck, and then put a freediving float at the other end and scooter from the float down. Fisherman can put a bait on an exact spot in any depth here or they don't catch. Trying to drift these things is a nightmare due to guessing the depth of the current and the stress of a fast ascent. We do not do it that way unless it is a must, and then we back off after the first 150 feet and go slow, but that 2 or three minutes has to be exactly gauged relative to the drift. We use a GPS handheld and check it several times before dropping for real when we do it that way. 500 foot wreck dives need to be done with a rebreather, not open circuit. We've done some 450's open, but it was pain in the ass gas wise and if we had got hung up, it would be all over. With even my rb, which is semi closed, I turn double 80's into 1600 cubic feet of gas. JJ and I have decided not to do this shit on oc anymore . Sure, we pulled it off for years on wreck and cave, and JJ did penetration filming dives on the Britannic at 400 odd feet, but then Dale Earnhardt is my age and had a half lap to go at Daytona. No thanks, my dick is already big enough. You guys are asking for that last half lap with this kind of thing. I know it is real adventurous, but it is also not too smart. Save your money and buy a rebreather. I do not want to read about your dead ass. -----Original Message----- From: Capt JT [mailto:captjt@mi*.co*] Sent: Friday, March 02, 2001 9:00 PM To: vbtech@ci*.co* Cc: techdiver@aquanaut.com Subject: Deep wreck in FL Hi All Just a short note to let everyone who knew about the unknown wreck that Rick Atkins and myself were going to dive turned out safe with the support of the VBtech team. The wreck which sits in nearly 500fsw was too small for the drop, we dropped up current of the wreck which has a small profile. A small object to hit at that extreme depth in strong current . We spent 8 mins at 490ft looking for the wreck, we had missed it. I will give a complete report when I get back home. JT -- Send mail for the `techdiver' mailing list to `techdiver@aquanaut.com'. Send subscribe/unsubscribe requests to `techdiver-request@aquanaut.com'. -- Send mail for the `techdiver' mailing list to `techdiver@aquanaut.com'. Send subscribe/unsubscribe requests to `techdiver-request@aquanaut.com'.
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