Re: [PSUBS-MAILIST] Waterproof controls

[Coalbunny <coalbunny@vcn.com>]

I think that if your hull's integrity is compromised to the point of
flooding, the fish finder is or should be the least of your concerns.
Carl


Mad Pirate Shin wrote:
> 
> I had also wondered how a fishfinder display might withstand the flooding of
> the pressure hull.  I aim for the simplest design possible, so I worry more
> about the mechanical strength of the components and less about the
> reliability of the electrical components.  Along that line of thought I read
> in the Aquarius habitat's online "user manual" that the LCD screens on
> laptops were permitted but that monitors using Cathode Ray Tubes were not
> allowed in the habitat.  I had never thought of CRTs as being dangerous, but
> I am reminded of the time I threw a brick though one; the weight and range
> of the chunks of glass that came flying back at me sure gave me a surprise.
> Whether the risk of imploding the monitor is the reason for the ban on CRTs
> or there is some other reason, I wonder.
>   I would enjoy reading anyone's thoughts on the subject of
> pressure/water-proofing interior components both for pressure hull flooding
> and for use in lock-out chambers(or ambient wet submersibles).  The Aquarius
> instructional 'primer' can be found here if yer interested.
> 
> http://www.uncwil.edu/nurc/aquarius/aum/ums0.htm
> 
>     regards,
>      Shin
> 
> "And further more, be advised that although this is actually a live
> broadcast and is being sent out at this very moment, it is quite possible
> that it may arrive tomorrow, right now, or perhaps even yesterday." -Serial
> Experiments Lain ep#8
> 
>  > >----- Original Message -----
>  > >From: <mckellar@earthlink.net>
>  > >Sent: Thursday, April 17, 2003 8:43 PM
>  > >Subject: [PSUBS-MAILIST] Waterproof controls
>  > >
>  > >
>  > > > Hi All,
>  > > >
>  > > > I had wanted to provide emergency escape from a sub i design to
> include
>  > > > flooding the cabin.
>  > > >
>  > > > this leads to concern about the electronics etc inside.  My son tells
> me
>  > >he
>  > > > has a friend with a thin film keyboard that he can roll up, rinse
> under
>  > >a
>  > > > tap etc.  this would probably be the trick for the keyboard, but what
> do
>  > >i
>  > > > do about joystick and thruster controls?  i guess the screen could be
>  > > > behind glass, in a separate 1atm compartment.....
>  > > >
>  > > > any suggestions?
>  > > >
>  > > > peter
> 
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