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Hi again, Steve, Thanks for writing back, I appreciate the discussion. << By putting a computer coming off each post, you are bastardizing DIR to an extreme. Where does the computer from the right post clip to? Your cannister? >> As I mentioned in a previous post, I envision the two wrist computers being hoseless, so there would be no hose routing problems. If Cochran type computers were used, the computers might be fastened to the manifold pipe under the isolation valve with, as one possibility, velcro ribbon. I'm sorry if what we're discussing is not presently approved by the powers that be at DIR, but open discussions such as this is how various ideas get to be considered or reevaluated. << As I said earlier, by solving a non-problem (using a bottom timer instead of computer), you are creating other problems. >> What we are discussing here is not solving a problem, but rather a different way of selecting and configuring equipment. And occasionally a different idea just may offer an alternative which might prove to be a more expeditious method of accomplishing our diving objectives. And it is not clear to me exactly what other problems are being created. Could you possibly be more specific? << It is also very important to understand deco (something I'm trying to do now). Having a computer encourages flying by the seat of your pants diving. Little planning involved. I think that it would be much better to understand deco well enough that if for some reason you blew your plan, didn't have tables to deco to, lost a gas, etc you'd have enough knowledge to do the deco to get you out of the situation. >> I completely agree with the gist of your statement. There is clearly no substitute for a basic understanding of deco theory. I find it difficult however, to imagine being in a situation where I would not have (perhaps quite conservative) backup tables to get me up. That's just the way I dive, I'm a wimp in that respect. If you're really worried about that situation then perhaps you ought to spend some additional time learning more about detailed dive planning. But the very concept of using wrist computers all but eliminates the need for manually recomputing anything should I "blow my plan." Doesn't it? << Besides, computers are an expensive alternative to a better system... just my .02 steve >> I certainly respect your right to hold that opinion. Thanks again for the comments and the opportunity for open discussion. Take care and safe diving, Scott In a message dated 6/12/00 4:44:39 PM, se2schul@uw*.ca* writes: << Scott, By putting a computer coming off each post, you are bastardizing DIR to an extreme. Where does the computer from the right post clip to? Your cannister? As I said earlier, by solving a non-problem (using a bottom timer instead of computer), you are creating other problems. It is also very important to understand deco (something I'm trying to do now). Having a computer encourages flying by the seat of your pants diving. Little planning involved. I think that it would be much better to understand deco well enough that if for some reason you blew your plan, didn't have tables to deco to, lost a gas, etc you'd have enough knowledge to do the deco to get you out of the situation. Besides, computers are an expensive alternative to a better system... just my .02 steve ----- Original Message ----- From: <ScottBonis@ao*.co*> To: <artg@ec*.ne*>; <donburke56@ya*.co*>; <techdiver@aquanaut.com> Sent: Monday, June 12, 2000 11:11 AM Subject: Re: Oxygen Toxicity - using 100% in open water > These are good questions to talk about. In an earlier post I suggested that > it might be wise to mount the two air integrated computers on different posts > so I imagine if there were a failure in the primary gas supply such that one > side needed to be shut down and the isolator closed, I would simply use the > computer that was on the good post (the one I'd be breathing) to finish the > dive. If there were a total failure of the primary gas supply (requiring at > least two independent failures) such that buddy gas sharing was required (I > shudder to think of this happening on a deep dive), then as you indicated > both computers would switch to deco gas. But if either of these primary gas > system failures were to occur, then the dive would be called immediately and > I (or I and my buddy together) would ascend immediately, switch to the deco > gas and finish the dive. The only computer error would be the computer > thinking I was on deco gas for the few minutes ascending while buddy > breathing. And the backup waterproof tables, using the computers as depth > gauges / bottom timers, could always be used to figure a new deco schedule > if needed. >> -- Send mail for the `techdiver' mailing list to `techdiver@aquanaut.com'. Send subscribe/unsubscribe requests to `techdiver-request@aquanaut.com'.
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