Hey, thanks very much for all the great replies.
Jome/Dave: i use 7mm here in Chile because its butt freezing cold. 13C last weekend and 4 hours in the water, and its summer here! I have tried a 3mm suit, it was wonderful, but I was cold in 30 minutes.
Bill: yes i'm skinny, 5'10". I can't follow your math to save my life, but will try again a little later in the quiet of the night
Connor: I will experiment slowly as you suggest. It seems weird, as it must do to all who consider it the first time. I always wondered why seals never packed! (apparently they do partial exhale dives). For some reason though, and bearing in mind my history, I can't even imagine half lung will get me down easily (metal block: I must fight to get down all the time..) The only time I ever tried this was in the Med. No suit, fins or lead, and I could not get bellow 5m no matter what I did. Half lung worked and was relaxing. Not enough time in the med. to improve though
in 10 days I'm will be at the beach and practicing. will report back
good night all!
