Fwd: Re: CCR

[Willem Ferguson]

-------- Original Message --------
Subject: 	Re: CCR
Date: 	Fri, 08 Aug 2014 08:52:12 +0200
From: 	Willem Ferguson <willemferguson at zoology.up.ac.za>
Reply-To: 	willemferguson at zoology.up.ac.za
Organization: 	University of Pretoria
To: 	poltsi at 777-team.org



On 08/08/2014 08:04, "Paul-Erik Törrönen" wrote:
>> Given that - what would make your workflow easier here? Do you usually
>> dive with the same set of cylinders? How about a way to set up a template
>> that you could simply apply to a dive (first cylinder is this, second
>> that, third that, fourth that)?
> That could work, yes. My guess (for manual CCR addition) would be:
>
> 1. O2 (pure oxygen)
> 2. Dil (air/nitrox/trimix)
> 3. Suit gas
> 4. Bailout 1
> 5. Bailout 2
> ...
>
> In my case 1.-3. would be currently enough (using the bailout 1 as suit gas).
>
> If the 1. is made to be air/nitrox/trimix, then it should cover any
> (lurking) sidemount diving user too, and in my case I would merely make it
> 100% O2.
>
> As you probably know, the bailouts are not normally used in CCR-diving
> except in cases where the diluent is so anoxic that you need a separate
> travel gas, or if the fHe is very high, and you want to cut down the deco
> time with nitrox/lean He trimix deco.
>
>> Is there a better way to do this?
> We had a discussion back in January
> (http://lists.hohndel.org/pipermail/subsurface/2014-January/009662.html).
> Is Rodrigos model the planned implementation?
>
> Poltsi
>

As far as I can see now there will not be a problem with sidemount data,
irrespective of order of cylinders, as long as the sidemount cylinders
are specified as the first two cylinders and any additional cylinders
are added from position 3 onwards.

I am a bit puzzled as to why you would put the suit gas as the 3rd
cylinder. It is technically part of the protective gear and normally not
a breathing gas. One would not normally do a change of gas to the suit
gas?? Therefore the suit gas should not even appear on the list of
cylinders??

Kind regards,
willem



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