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Re: [PSUBS-MAILIST] Mercury ballast



Arrr matey ... I think I'll go melt some lead instead.

Brian
----- Original Message ----- 
From: "Steven Mills" <cirtemoeg@juno.com>
To: <personal_submersibles@psubs.org>
Sent: Thursday, February 19, 2004 8:31 PM
Subject: Re: [PSUBS-MAILIST] Mercury ballast


> 
>  "Brian Cox" <ojaibees@ojai.net> writes:
> > Blast!  I said I'm not using mercury already !
> > 
> > Brian
> 
> LOL ! I like that.  Perhaps we should all start pirate-talk.  Could
> diffuse some
> of the more heated discussions.
> 
> Arrrrh,  --Steve
> 
> 
> 
> >   ----- Original Message ----- 
> >   From: SFreihof@aol.com
> >   To: personal_submersibles@psubs.org
> >   Sent: Thursday, February 19, 2004 4:47 PM
> >   Subject: [PSUBS-MAILIST] Mercury ballast
> > 
> > 
> >   Mercury was used by Cousteau for trimming his soucoup because of 
> > the
> > liquid metal's high density.  I would expect mercury to be very
> > expensive and hard to get now.
> > 
> >   Likewise, the Bathyscaphe Trieste used gasoline in her float 
> > because
> > it is a lighter--than-water liquid.  It worked, but I don't think 
> > you'd
> > get away with that technique now because of environmental hazards.
> > 
> >   Given our current knowledge, why ignore the fact that there are 
> > better
> > choices with fewer drawbacks than mercury for ballast and gasoline 
> > for
> > flotation?
> > 
> >   My 2 cents paid in full.
> > 
> >   Stan
> > 
> >   In a message dated 2/18/2004 12:46:47 PM Eastern Standard Time,
> > ojaibees@ojai.net writes:
> >     I'm not designing my sub for a lawyer.
> > 
> >     Brisn Cox
> >       ----- Original Message ----- 
> >       From: NeophyteSG@aol.com
> >       To: personal_submersibles@psubs.org
> >       Sent: Wednesday, February 18, 2004 8:40 AM
> >       Subject: Re: [PSUBS-MAILIST] battery acid? & battery issue 
> > follow
> > up
> > 
> > 
> >       In a message dated 2/17/04 11:46:38 PM Pacific Standard Time,
> > ojaibees@ojai.net writes:
> >         I don't intended on drinking it, and it will be in a closed 
> > loop
> > and sealed.  The fact that it is liquid makes it ideal for pumping 
> > from
> > point A to point B.
> > 
> >         Brian
> >       I'll suffice to say that, for me, it comes down to the 
> > question of
> > whether the design advantage is worth it when balanced against the
> > potential and likely event that an environmental government agency 
> > (DEQ,
> > Coast Guard) and/or activist group(s) finds out you're carrying even
> > trim-ballast-quantity of mercury in State or Federal waters or over
> > roads on a trailer (DOT governs transportation of toxic & hazardous
> > materials) ... shudder.  Not only that but I'd feel like ... if I
> > actually spilled.  Not for me.
> > 
> >       Shawn
> 
> 
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