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Hi all, I own two wings; xDeep Zeos 28 which I use for single tank diving, and xDeep Hydros 50 for tech dives in twinsets. Is it possible to use the Hydros 50 for single tank diving? Does anyone try it with single tank before? What about taco effect with it and its low profile? I really like...

I'm sorry not to make my question clear. I'm concerned with 1 inert gas only (N2/O2). That's why I mentioned Schreiner eq. In fact, I think of using Buhlmann's algorithm eq Pcomp = Pbegin + (Pgas - Pbegin) x (1 - 2^{-te/tht}) this will allow me to calculate inert gas pressure (in my case PN2)...

Thanks so much Mr. Ross for your reply. do you mean the following formula (Schreiner equation) Pt(t) = Palv,o + R ( t - R/k) - (Palv,o - Pt,o - R/K)e^(-kt)

Thanks all for your help and support. I'm still working on it, and here are my findings up to now: Already Done: 1. I studied Decompression Theory to find rate for tissue absorption of inert gases (Ref. Decompression Theory - Jaap Voets) 2. Using M-Value for Buhlmann ZH-L15A table, I created...

Dear Mr. Aseer, thanks for the reply. I'm welling to get the book and to have a personal meeting with you if possible.

Yes, it is not related to Ratio Deco, in fact the original deco calculations

It is only mental exercise. I'm an engineer, and I'm always eager to know the basics and theories, it gives me mental satisfaction. In real life; sure I use software like MultiDeco (which I'm planning to purchase as trial version only works up to 50% O2).

I think you mean Ratio Deco. What I really mean is the science behind MultiDeco and such software. In other words, if I want to do all the calculations without any aid of computer software nor Ratio Deco method.

Thanks Johnny, I have Ratio Deco training documents. In fact I'm seeking to understand how it is really calculated, I mean the science behind it.

Hi all tecies, Regarding decompression; I want to understand how to calculate accelerated decompression. In other words; using Buhlmann's tables I can calculate decompression stops for a dive if back gas is air. In case of Nitrox; I simply use EAD with Buhlmann's tables to figure out deco...

I don't recommend doing long bottom time at depths more than 40m that requires decompression unless you are trained for decompression. Anyhow; to stay longer at bottom two factors must be considered: 1. Best mix 2. Decompression procedure. Again, if you are not trained for deco pro, please...

Thanks for the reply. So what are the main differences between GUE Deco Planner and V-Planner? as the price difference is high!

I tried it also, and it has the same limitation for the trial version. Calculations are limited to 50% O2. I'm afraid to pay 85$ and don't get what I need. Even GUE DecoPlanner doesn't provide any trial version and its price is higher 149$.

I tried it also, and it has the same limitation for the trial version. Calculations are limited to 50% O2. I'm afraid to pay 85$ and don't get what I need. Even GUE DecoPlanner doesn't provide any trial version and its price is higher 149$.

Thanks so much

Hi all, I've earned TDI Deco Pro certificate and for planning I consider using V-Planner. I installed it and began to plan some dives before I go for purchasing phase as the software gives me 30 days trial period. I noticed that whenever I use Deco Mix more than 50% O2; the software doesn't...

Hi and welcome to Egypt. Best dive clubs in Sharm El Sheikh are Camel Dive Club, Red Sea College, and Sheikh Coast Diving Center. All are fantastic, I usually dive with Sheikh Coast and had my last dive with them a week ago. If you need their contacts I can send it to you. But to get most of...

Thanks all for the great answers. I do understand your concern about wing not fully inflated hence less lifting. I plan to buy double tank wing, but travelling with two wings is a big issue as I may do dives with single tank and dives with double tank in the same vacation, hence I was thinking...

Hi all, I'm certified AOW and Deep Diver Specialty, I dive using aluminum back plate and xDeep wing with hog harness (DIR) system that I really enjoy. My wing is 30lb lifting capacity with single tank adapter. Is it possible to dive with doubles using double tank adapter fixed to my 30lb wing? I...