Re: [PSUBS-MAILIST] Mercury ballast

[Jake Colman <jake@superdailies.com>]

There is a crane in the film industry, the titian crane that uses mercury as balast. many are still in service today

<x-tad-smaller>Jake Colman
Dancing Donkey Entertainment
310-560-3055</x-tad-smaller>


On Feb 19, 2004, at 8:31 PM, Steven Mills wrote:

> "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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