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Robert,
Over here in Europe US Divers is called Aqualung/Spiro. I use two Arctic 1st and
seconds myself and am quite pleased with them, they work exemplary in cold
waters, which we have a lot of over here ;-)
The second stage (regulator) uses a big bore hose. If you look into the hose,
the gap is quite big. They have a special port for that, which will not accept
'regular bore' hoses. The other MP ports have the standard thread and diameter.
When I had my 7 ft hose made, I made sure the hose was big bore also. I had it
made with EXO (the guys from the Full face masks), because they use the same big
bore type of hose and US Divers/Spiro/Aqualung' regs in their FF masks). The
Arctic 1st stages actually make routing very easy DIR wise.
rgrds
Adri Haine, Belgium
Robert Wood <rwood@mo*.co*>
04/01/2000 18:55
While converting my US Divers Arctic SEA first stages
to DIN (yay, about time too) I realized that my main
reg, that with the long hose, has a smaller port in the
first stage body than my back-up reg.
Now, admittedly, with the current standard OW setup,
my main reg would be on that larger port. However, is
this practice common among other manufacturers?
Why do they do it and does it make any difference.
Actually, I can answer the last question. No it doesn't
appear to. I have no problem breathing the right hose
at depth in cold, it works just fine.
To my surprise, these regs allow good tidy hose routing.
[\] Robert Wood
The St. Lawrence River - fresh, warm, visible diving.
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