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Hi Ronnie,
I don't do many postings because of the time it takes to type....I'm not
a speed typist !!
On Tue, 10 Jan 1995 08:33:15 -0500 (EST) Ronnie Bell wrote:
> Ahhhhh .. Finally some fascinating reading. Thank you for taking the time
> to share with us your experiences with the rebreathers.
> I'd love to take the course, but fear that once having done that, I might
> not be able to resist the allure of 6 hour dives. One thing I wonder
> about is the capability for you to support another diver who has
> exhausted his gas supply.
It seems pretty inevitable to me that you are going to carry a spare
cylinder or two mounted on the side. In addition to wanting to carry extra gas
to allow a gas switch to a denser diluent to reduce deco times, a 2 litre on
board cylinder of breathable diluent, perhaps half empty or more from previous
dives but still good for several hours more closed circuit diving (together
with
on board oxygen) just isn't going to last very long in open circuit mode if the
'shit hits the fan'...particularly below 50 metres...! An extra cylinder would
be linked into the gas switching block & could be routed into the rebreather,
but could also carry an extra open circuit regulator for a buddy in distress.
You would need to work out the minimum size of this cylinder pretty carefully
to
ensure either you or your buddy in distress can make the surface, including any
deco stops.
One thing for sure...buddy breathing with your rebreather mouthpiece is
*not* going to work out ...! :-)
Regards, Steve M.
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* Dr. S. G. Millard, * E-Mail : ec96@li*.ac*.uk* *
* Senior Lecturer, * *
* Department of Civil Engineering * Tel : 051 794 5224 (UK) *
* University of Liverpool, * 44 51 794 5224 *
* PO Box 147, * (International) *
* Liverpool L69 3BX, * *
* UK. * Fax : 051 794 5218 (UK) *
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