Re: Re: [PSUBS-MAILIST] pressure compensating ambient

["Herve" <caribsub@coqui.net>]

decompression sickness is impossible up to 1 atm  of increased pressure
above atmospheric pressure.
so you can actually have 2 atm inside the sub without any risk of
decompression sickness
Herve
----- Original Message -----
From: <rjune@fuse.net>
To: <personal_submersibles@psubs.org>
Sent: Tuesday, September 24, 2002 10:30 AM
Subject: Re: Re: [PSUBS-MAILIST] pressure compensating ambient


> be carfull ... changing the pressure to above 1 ATM will subject you to
the posability of decompresion illness.  This is additionaly dangerous if
you rise to quickly.
> >
> > From: Marco Zeeman <marco@zeeman.co.nz>
> > Date: 2002/09/23 Mon PM 07:01:44 EDT
> > To: <personal_submersibles@psubs.org>
> > Subject: Re: [PSUBS-MAILIST] pressure compensating ambient
> >
> > Hi
> >
> > Following on from Doc's email, has anyone any info on an automatic
pressure
> > compensating system for an ambient dry sub. Wanting to keep the internal
> > pressure a couple of PSI higher than external pressure.
> >
> > Keen to learn more about this aspect
> >
> > Kind Regards
> >
> > Marco
> >
> > From the land of the long white cloud.......clear blue sea, whales,
> > dolphins, mountains, fiords along with plenty more to see.
> >
> >
> > > Anyone have any thoughts on pressure compensating ambient subs?
> > >
> > > I'm playing with an idea that, a properly constructed ambient does not
need
> > > to match external pressure instantly but rather at a pre regulated
rate of
> > > maybe
> > > 1atm per minute.
> > >
> > > I've got that need for speed! There's so much to explore and I just
don't have
> > > the
> > > time or patients to do it at a snails pace.
> > > The ocean is our greatest frontier, we know more about other planets
than we
> > > do our
> > > own, why?, because a horse and wagon could travel faster than most of
the
> > > worlds
> > > research subs and we're trying to cover 3 times the area!
> > > I don't want to go beyond 150 feet, my night vision sucks now and
there's more
> > > than
> > > enough for me to discover at that depth or less to feed my curiosity
for the
> > > rest of my life.
> > > If anyone has ever played tag with a shark from the safety of a sub
and had
> > > the upper
> > > hand, then you'll know the kind of thrill to be had in a really fast
> > > submersible!
> > >
> > > I can not say that my curiosity and enthusiasm has always kept me
safe, I
> > > believe I have
> > > been incredibly lucky in my past exploits but increasing age and
experience
> > > demands that
> > > I better my odds if I want to keep doing what I love, and be able to
hand it
> > > down to the next
> > > generation.
> > >
> > > Any constructive input would be greatly appreciated.
> > >
> > >
> > > Doc
> > >
> > > -----
> > > If you're not living on the edge, you're taking up too much space.
> > >
> >
> >
>
> Roger June
> REJ and Company
> rjune@fuse.net
> 513-300-1189
>
>
>
>