So there we have the two camps - One side is me and LCF, the other is Sludge and Kevin. Hmmm.
We just passed our GUE Cave1 so being able to use1/3rd of 2/3rds gas for penetration, using 130's, turning the dive when we used 800 psi.
We dove Peacock, Peanut Side ( not sure if thats Peacock 1), we made it to 1600ft, turned the dive when we used 700psi and just made it back just at NDL limits.
Now being on vacation and wanting to do 2 or 3 dives per day, being deco trained, why not leave 02 at 20ft just to be on the safe side??
Example, we all jump on people who cave dive without certification, because there is a proven history of lack of cave training, when diving in caves, being correlated to deaths.
However, we don't jump on full cave divers who do deco with AN/DP because there is hardly any evidence showing it is correlated to deaths.
Or am I wrong? How dangerous is it to do deco with a card (DPV without a card, stage without a card, sidemount without a card), compared to cave diving without a card?
Originally Posted by JJ1987
So last Sunday me and mpen decided to do A LOT of diving at Peacock. The first thing we did was The Grand Traverse, came back the long way, through Peanut. Total run time with no deco was 87 minutes. She was rushed for time, so we did a very very minor surface interval, just long enough to grab the truck with the tanks in it, back in the water with less than 40 minutes topside. Then we did Peacock to Pothole to Dark Water tunnel to Crossover to mainline and back out to grab our reels we placed on the first dive and the reel we left at the dark water tunnel. Total dive time never hitting deco was 60 minutes. We got out the water, jumped right back in in less than 30 minutes, This time Peaock to Nicholson, to Cisteen, and back. Total dive time 47 minutes. We pulled out of Peacock on our way home before 1pm. WE NEVER ENTERED DECO. We were diving 32%.
It's about task loading. Intro divers shouldn't add more to their plate than what is absolutely necessary. Deco bottles simple aren't necessary at Cavern and Intro level in Peacock.
It's not the years in your life that matter, but the life in your years.
No deco at intro never made much sense to me either. It's pretty easy to hit deco at Little River or JB on a second dive,even diving to intro gas limits. If a diver is deco trained, why not drop an O2 bottle on the way in,especially as dives may be high exertion if the flow is up?
If I am correct, the dive in question was Cavern divers, with stage bottles, in the breakdown room. Several hundred feet past the cavern zone, and silting it out.
"Those who make peaceful revolution impossible will make violent revolution inevitable." --JFK