If you are not doing a drifting deco I have found that strapping on a 50% 
40cuft and hanging your O2 from your hangline is a reasonable technique 
for moderate decos. If you can't make it to the O2 you are only adding a 
few minutes to your deco by doing it on the 50%. Some drop a bottle, some 
drop the 02 on a long LP hose hooked to a K cyl. on the deck.

 Jim

Sender: Sean T. Stevenson  Date: 5/1/99 1:30 PM

>Use a 40 of 50/50 and a 30 or 40 of oxygen.  Both of these should be
>attached on the left as per usual, without extending the length of cord
>to one or the other.  Second stage hoses should be about 40 inches.
>
>Oh, and you may want to consider following rule # 1.
>
>-Sean
>
>
>On Sat, 1 May 1999 13:48:56 +0800, Mark Wagstaff wrote:
>
>>I currently dive a single stage mounted under my left arm, in accordance 
with 
>WKPP principles.  I am about to commence TDI Extended range and will need 
>a second stage.  The accepted practice amongst those I dive with is that 
>the second stage goes under the right arm -  generally considered to be 
>strokism!
>>
>>So, what to do.  Please advise how the second stage cylinder is mounted on 
the 
>left side.  Do you use longer webbing or cord straps that pass behind the 
>top cylinder or, mount the lower cylinder directly on the upper.
>>
>>What is considered to be the best size stage cylinders?  I currently have a 
5l 
>but, two of these on one side is going to be quite a weight and, space 
>requirement.
>>
>>I will be doing deep open ocean divers and possibly some wreck.
>>
>>Wags
>>
>
>
>--
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