scuba11b:
I've been checking out the board for a few weeks and finally registered. I am wondering what exactly is DIR? I've seen it referred to in many posts but I'm not sure what it is.
Let me start by admitting, i'm not a DIR diver. Nor do I think I'll ever be one. But I do like the DIR philosofy, because it teaches me, to consider what i'm doing and why i'm doing it. The first 14 years of diving, I just did what I've been told, never reflecting much about it. My equipment was non-figurated, i.e. it was placed like the day it came out of the store. Well, I had changed a few of the hoses around, mostly to keep my pressuregauge from hanging over my head. The equipment was in accordance with the national federations recommended setup.
The first time I met a DIR diver I didnt even notice. It was in '96, while I was living in Germany, that I became a member of MESS, (Munich English Speaking Sportsdivers), a mixed party of people from all over the world including Michael Döelle who was originally from Lübeck, but at that time a resident of Munich.
We were diving together in a small lake "Ilse See" west of Augsburg. He had a set of twins, 2 regulators and a backplate with a wing, which he called a "caverig" and he told me he'd been on af cavediving course i Florida. While I was helping him putting on the rig, I noticed that all of his hoses was entangled behind his back. I started to straighten the setup, because he had obviusly failed to learn anything on that cavecourse. Of course, Michael gave me a ? , and explained to me, that every hose was set en a specific order after a carefully thought plan.
After the dive he asked me why I had my pressure gauge on the right side. My answer: "Thats where its always been, so I know where it is". "But you dont know why" he said. "You are righthanded and you'll be more likely to use you right hand to collect things or reach into holes. Your right side is far more exposed and likely to make contact with sharp objects, rocks, corals or wrecks. If you put your pressure gauge on your left side, you'll lessen the risc of anything happening to it." I wasnt able to make any counter argument og moved my pressure gauge to the left side. But he wasnt satisfied yet. "Even with the SPG on the left side, it's still hanging loose. You dont really know where it is. You'll have to secure it". A boltsnap and a wirebinder later he smiled. "Now you'll have to do that with the rest of your equipment"
This little incident started a longer proces for me, in my thoughts I walked thru my equipment and how I was diving. When I learned to dive, we used the old J-valve (the one with a reserve handle), but it was obvious that it only gave a false sense of security and I chose to change it. In reality it is not a reserve, only an unpleasant reminder that you are at a certain pressure, no matter the size of the tanks. I cant remember that I have ever been warned by my "reserve", but I have always known from my pressure gauge when it was time to "pull it" and that wasnt the idea in the first place.
In my thoughts i retraced every dive I could remember, to evaluate if my buddyline had ever given me problems. Just once in a cave in Spain, where I was near complete entanglement due to very narrow conditions. Twice I have lost contact with my buddy on low-vis dives. Conclusion for me, is that the buddyline is a help under the right cirkumstances and it very rarely causes trouble.
Twice my computer has gone haywire while diving. First time in a mountinlake in the austrian alpes, where it kept showing 0.6 m for 5 days after we surfaced. Did i check the table before diving ? Nope ! Second incident was at 18 m (60 Feet) in Kattegat (local danish waters), but my computer showed 26 m (85 Feet) so the dive was cut a little short. But what if it has been the other way around ? and did I check the tables before the dive ? Nope ! Since then I always carry a spare table in my pocket and chack before i dive (as i have been taught).
In this way I kept going over my equipment and my dives with my own expirience as reference.
If we go back to the starting point about DIR, this is what I see as the basic thought or philosophy: You have to consider why you are doing this and that, why your equipment is configured in exactly this way. If you use your own experience as reference, then it wont be as perfect as if you use the experience of thousands of divers from thousand of dives.
You might choose to take a more or less dogmatic approach to DIR, than those who define 100% DIR or you can just realize that you'll never be 100% DIR. Maybe you cant be 100% DIR, without blindly having someone dictating 100% how you should dive and then you are realy not much better than those who never gave it a thought.
Thats why I embrace DIR-philosofy, but not 100% DIR-diving. Some will argue, that you cant have one without the other and its probably true, but then allow me to acknowledge DIR for showing the path of reason. A path not all are capable of following all the way.
Let me end this small text by reminding that I'm not in anyway infailable. If you can use this posting to get a perspective on things that fine. If you find it utter BS then its fine too, at least you probably thought about it.