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The toggling also takes place by virtue of the reducing ppo2 of each gas in its range of stops. You can see that for dives that require longer deco, the time at the higher ppo2s of each set of gases is greater, so a real break is needed, and then the reduced ppo2 is badly needed to make it all the way through successfully, as well as get all of the effects that I described. This is why when some moron tries to tell you that a constant ppo2 rebreather will "get you out faster" , you can laugh in his face. Funny that Bill Stone's team of wretches and mutants who told me they could do it better and faster ended up doing 24 hour decos to my 6 or 7 hours for half the dive I did and still got burnt lungs, slobittis, bent, injured, and sick. These guys believed their own bullshit in the face of constant defeat, but then look at who their "trainers" were - the kings of bullshit. -----Original Message----- From: dir@po*.co* [mailto:dir@po*.co*] Sent: Tuesday, February 19, 2002 2:47 AM To: trey@pi*.ne* Subject: RE: 220-250 foot diveRE: Andrea Doria Deco Dive I wanted to be clear when the 'toggling' between 50 & backgas came into play. ( Longer dives than this? ) - We only do one dive a day, but would typically have a week of diving during the summer whilst it lasted. As this dive is very similar to what we do in the UK, it is of great interest to me - I will go back over the other posts again. many thanks for your time on this, Dave On Mon, 18 February 2002, trey@pi*.ne* wrote > > The breaks have already been explained, just as the deep stops have been > explained. I hope I don't need to tell you guys to breathe , too? > > Read the thing again. Note that I told him to move the 50% up to 60 and the > oxygen up to 18 and split it on the third and forth day. As the dives get > longer , the breaks get mandatory at the points I mentioned in the other > posts. I am not going to bring them up in each profile. > > Please read this stuff and stop trying to twist it around. Somebody asked me > why I left out the deep stops. I clearly gave a time to get from point a to > point b - those imply the obvious times of the stops. I told you all how to > figure the deep stops. Do I have to do it now in every post? We are getting > nowhere fast. > > I can't keep going back over what I thought everyone understood > > -----Original Message----- > From: dir@po*.co* [mailto:dir@po*.co*] > Sent: Monday, February 18, 2002 4:30 AM > To: trey@ne*.co* > Cc: scuba@md*.co*; trey@ne*.co*; techdiver@aquanaut.com > Subject: Re: 220-250 foot diveRE: Andrea Doria Deco Dive > > > would there be any time on the 30' stop breaking to backgas prior > to the O2? > > > On Sun, 17 February 2002, "George Irvine" wrote > > > > > > > Ted, does this mean you will turn into a huge fat bearded slob with a > > pizza-stained Doria shirt and be participating in a Star Wars Bar Scene on > > the Seeker? I wish the "Doria" would hurry up and disintegrate so the > > strokes could all just lie about it instead of dying about it. > > > > Here is what I would do for deco. I am not doing anything different > because > > of the cold - you took care of that by keeping the bottom time reasonable. > I > > am assuming that anyone who dives in the 40's uses C-4 , a proper WKPP > type > > hood and gloves , and argon. > > > > < 23 bottom time > > count all time as if at 240 > > your gas or anything close to that > > deck to 150 - 2 min > > 140-80 5 min > > 70 - 3 > > 60 - 3 > > 50 - 3 > > 40 - 5 > > 30 - 8 > > 20 - 15 > > 5 minutes going to the surface from 20 > > > > Same for the next dive > > > > This schedule will work up to about 25 minutes at the bottom. > > > > On the last two days of diving, switch to the 50% at 60' instead of 70' > and > > do your oxygen at 18 feet or above, maybe splitting it into 18,15,12,9 or > > something like that. > > > > Your risk in this is exposure and depletion of brain chemistry. Don't > party > > with the mutants and take some vitamin E each day. If you go on the > Seeker, > > take some pictures so we can all have a good laugh. > > > > -----Original Message----- > > From: Ted Green [mailto:scuba@md*.co*] > > Sent: Saturday, February 16, 2002 8:48 AM > > To: trey@ne*.co*; techdiver@aquanaut.com > > Subject: Andrea Doria Deco Dive > > > > > > George, > > Since you are offering deco profiles, let's assume your going > > to the Andrea Doria. The top of the wreck where the mooring will be > > is 175' and the sand is 240'. Most of your dive will be between 220' > > and 240'. You want to be on the mooring line at 175' with a run time > > of 25 minutes. Assume a bottom mix of 16/50 or chose your own, > > 2 deco mixes, 40 degree bottom temperature, and 55 degrees from > > 50' to the surface. What would your profile look like? > > > > You plan to repet 5 hours later with a 20 minute bottom time. How > > much does the profile change? > > > > Can you do this 2 days in a row (4 dives)? > > > > > > Ted Green > > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ > > Dive Charter Boat: O.C. Diver > > Sunset Marina in Ocean City, Maryland > > http://www.ocdiver.com > > 410.742.1992 800.637.2102 > > Fax 410.749.9410 > > "Diving the Atlantic coast from Cape May NJ to Cape Charles VA." > > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ > > -- > > Send mail for the `techdiver' mailing list to `techdiver@aquanaut.com'. > > Send subscribe/unsubscribe requests to `techdiver-request@aquanaut.com'. > > > > > > -- > > Send mail for the `techdiver' mailing list to `techdiver@aquanaut.com'. > > Send subscribe/unsubscribe requests to `techdiver-request@aquanaut.com'. > -- > Send mail for the `techdiver' mailing list to `techdiver@aquanaut.com'. > Send subscribe/unsubscribe requests to `techdiver-request@aquanaut.com'. -- Send mail for the `techdiver' mailing list to `techdiver@aquanaut.com'. Send subscribe/unsubscribe requests to `techdiver-request@aquanaut.com'.
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