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Thanks for the clarification, George. Speaking of the tapes, while the second tape has a bunch of super information, the first tape is truly a classic and complements the second. Hope you are still distributing it. jim Sender: kirvine@sa*.ne* Date: 9/9/99 2:07 PM >The difference between a loop at the top of the bottle or at the bottom >of the cord is due to whether or not the valve is a Sherwood DIN or >other valve - the tie at the top ( most of my bottles ) is due to the >loop with the clip tied in NOT fitting over the Sherwood valve, my other >bottles have it either way. The top tie also allows fine tuning of the >position of the upper clip. This is not an issue by itself since the >correct answer is to properly position the clip. > >Where it could be an issue is if you travel with your rigs but not your >stages - then you should use my upper tie method so your rigs work with >ANY local bottles. > >This was the genesis of that - I go to Mexico a lot. > >On the "ft" bullshit, there is no confusing meters with feet for the >standard correct deco depths and gases, so that is patently ansurd, and >we do not mark the mix on the bottles - also patently absurb and a >violation of the whole system to start with. Why not just call Tom Mouth >and plaster the bottles with IANTD stickers if you are going to do that? > >You can not get around the logic of the system, and when you start >adding other things, you are asking for confusion, trouble and mutations >that will end up killing somebody. Try this : put a rubber innertube reg >holder over a 20 ft bottle with "ft" or feet on it and read it backwards >- could it be 120 or 20? How much crap do you want on your bottles - I >want the depth and my name - nothing else. > >Leave the system alone - I know what I am doing , been doing it a long >time with a lot of divers and nobody has breathed the wrong gas yet. It >is impossible with our system if it is followed ( unaltered) from start >to finish. Jim, get a copy of the DIR II tape and look at it - every bit >of this is explained in detail. Show that to the "vbstroke" list and end >the arguement that way. > > >Jim Cobb wrote: >> >> Hi, George. Rumor has it that I am accused of "messing with your system" >> insofar as wether to use FT or not to use FT on stage bottles. We had a >> VBTech meeting where we discussed the DIR stage bottle rigging technique. >> It was agreed that it was an elegant system and superior to the >> "cockring" system and metal-to-metal connections. It was also agreed that >> steel stages are a very bad idea. We did notice some inconsistencies with >> how to DIR rig. The schematic layout shows a loop of cord around the >> stage neck but on the DIR II tape a knot is used at the neck of the >> stage. So I guess there is some leeway as to how you set up a DIR stage, >> or is this some evolving of the system? >> >> So on the FT thing, we are not always able to dive on "stroke free" >> charters, sometimes breakinng RULE #1 is part of the game. So we agreed >> (thats "we" not "me") that it would be a good idea to add FT for 2 >> reasons: >> >> 1. Make it absolutely clear that the number indicates MOD and not MIX. >> 2. And that we are talking FEET and not METERS (Yes, we get lots of >> European divers). >> >> I really could not come up with a reason not to use FT, hell it's just a >> couple of letters and does not effect streamlining. >> >> Another thing that I like about the DIR stage is that the cord makes a >> nice carry handle for the smaller stages even though it is specified that >> they not be used for surface carry. I use a stronger cord so that you can >> use it as a handle, again because I could not come up with a reason not >> to. >> >> So, don't mean to mess with your system, certainly the absence of >> cockrings and steel is a major improvement. We Mid-Atlantic divers like >> to be up to speed on new developments unlike quite a few of our Northern >> brothers. >> >> Jim >> >> ------------------------------------------------------------------- >> Learn About Trimix at http://www.cisatlantic.com/trimix/trimix.html > > ------------------------------------------------------------------- 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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