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The following is the report sent out to the vbtech mailing list outlining what was talked about on our first monthly meeting. I have not heard of any other divers having discussions like this outside of clubs, so I thought it might be interesting for you all to see whats up. Some of the discussion topics might be obvious and basic to some, but it is still worth discussing and coming to some sort of consensus. ------------------------------------------------- On October 7th VBTech had its first meeting at Lynnhaven Dive Center in Virginia Beach, Va. In this meeting the main topic of discussion was the marking of stage tanks. Discussion opened up with some information about some recent tech diving deaths in Florida and the Andrea Doria. A comparison was made to various techniques of marking tanks ranging from nothing to marked 2nd stages to DIR style MOD markings on the sides of the tanks. It was agreed that the DIR style was the best way to go, using the techniques described on the WKPP website. While some mentioned that they knew what they had in their stages, it was pointed out that it is advantageous for other divers (other teams and safety divers) to be be able to easily see what mix is being used. It was agreed that the addition of "FT" to the MOD to clarify what measurement system was being used and to remove any question that you are indicating MOD and not mix. A discussion then ensued of how different dive boats are configured. What was particularly noted is the difference in rigging that North East diveboats compared to Mid East. The example used was the Seeker, which runs Doria trips, is configured so that you must doff your gear in the water to make it up it's vertical ladder. Also it's lack of a deep granny line and lead line which makes it a "leap of faith" to get back to the hang lines (oh no hang bar either). It was not understood why NE boats use such primitive techniques when it would be so simple to improve. Also was discussed was a dive in a deep lake to do an actual test of a set of OMS Stuperwings in deep conditions to determine it's true effectiveness and life capabilities in tech conditions. A dive is being organized to the Chanango, a very infrequently dove wreck near the eureka. The reason is that it is a "turtled" wreck, but it should be pretty broken up by now as it was in the process the last time it was dove about 4 years ago. The dive will cost $125 and leaves Oct 16th on Friday night. There will be a night dive and then 2 or 3 day dives. Contact JT if you want to go. The agenda for the next meeting will be: - A demo of Decom, Abyss and Voyager - Discussion of why what mix is chosen for what depth - A demo of different whip setups - A demo of different 02 analyzers. Bring your whips and 02 analyzers and lets compare rigs and techniques. These meetings will be held on the first Wednesday of each month at the Lynnhaven Dive Center in Virginia Beach, Va. Jim ------------------------------------------------------------------- Learn About Trimix At http://www.cisatlantic.com/trimix/trimix.html -- Send mail for the `techdiver' mailing list to `techdiver@aquanaut.com'. Send subscribe/unsubscribe requests to `techdiver-request@aquanaut.com'.
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