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> with the Buehlmann ZH-L8 ADT model used in the new generation of Uwatec > (Aladin) computers which allows for a faster ascent from depth slowing as > one reaches the surface - it varies from 20m per minute at depth to 7m per > minute near the surface. Can you explain why you say the opposite? (or am I > misunderstanding?). I say the opposite because of my own personal experience. Fast deep ascents have tended to give me problems - if not on the specific dive, then on repetative dives the same day. I've been preaching this for years, but most people wouldn't listen. I didn't understand it either because it didn't make sense in the context of compartment models. Then Eric Maiken explained bubble-based models to me, and suddenly it startd making more sense. At the recent Tek meetings in New Orleans, Jean-Pierre Imbert (of COMEX) came to the same conclusion I did - that slow deep ascents are important. I sent an article to Win at DeepTek which explains it in more detail. Win? Curt? Have you decided whether or not you will publish the article? > Disclaimer: I am way out of my depth (sic) here and ask the question > purely because I'm able to understand English not because I have > anything other than a superficial understanding of DCI learned from my > BSAC courses and Lippmann's 'Deeper into Diving'. I realise this is a > technical subject but if you'd keep any replies as near plain English as > possible I'd be grateful. It's a good question, and an important topic to discuss, so I am glad you asked. Eric can do a better job than me explaining the bubble theory. To me, the only important thing is what has worked for me in the real world. Aloha, Rich
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