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| Originally Posted by Kirstie It's interesting that you should say this. My air consumption is also quite high (made more so by me fretting about it) and Paul suggested to me that I start using a single 15 instead of a 12. I've resisted so far as, to me, it feels almost like cheating, or taking a step backwards. I've got this idea in my head that I should be working to improve my consumption on a single 12, rather than resorting to a bigger cylinder. Stupid, I know, but there you are.
I'd even made up my mind that this year I'd start using the twin 12s and maybe doing shorter second dives, but this thread has put me off this idea a bit! I wouldn't be diving twins to pose, purely to give myself more air. Having said that, I'm looking to do slightly deeper dives this year (up to about 40m) but I reckon most of my diving will be under 30m.
Funnily enough, last summer I was practising with twin 7s at Drawna Rock. I did the whole dive on a single 7, as I inadvertantly turned the manifold valve off before jumping in. Because I thought I had 14l of air, I was relaxed and didn't think about my breathing. Not that I'd recommend this way of improving one's consumption, of course! |
I dive twin 12's and if needs be I take one of the indies (the near empty one) out and slide another one (full) in for the second dive, some of my buddies decant from another cylinder for a second dive. I really dont get this macho my sac is so little I hardly breathe at all rubbish, you need what you need, you pay for it, you lug it about, take what you need and sod 'em. Skippers are fun though when you lug a load of kit on their boat, I wonder why, does it increase the boats fuel consumption drastically. Just started reading "The last Dive" again, to do the Andrea Doria, the Rouses took 40 cylinders and that included some J's of 02, 24 people on the boat, that's the sort of boat we need in the UK, plenty of space and stop all this you cant bring that on here rubbish.
Matt
Matt