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RE: [PSUBS-MAILIST] Waterproof controls
I would suggest trying to adapt the devices to fit inside one of the
commercial Ikelite housings for SLR or Video cameras, especially if you
could pick the housing up used. They also made a housing for a 110 camera
that I intend to use to house some electronic controls for my mini-wetsub as
I have a Nikonos now ;). Of course, you are limited to the depth limits of
the housing, but as Ikelite makes all of its housings out of transparent
plastic, visibility should not be a problem. Control levers on these
housings can be pushed and rotated without leakage, but a little jerry
rigging will be necessary to either extend/shorten the control levers on the
inside of the housing or move your devices to mate up with them.
Terry L. Davis
(Texas Lake Diver)
-----Original Message-----
From: owner-personal_submersibles@psubs.org
[mailto:owner-personal_submersibles@psubs.org]On Behalf Of
DJACKSON99@aol.com
Sent: Saturday, April 19, 2003 10:02 AM
To: personal_submersibles@psubs.org
Subject: Re: [PSUBS-MAILIST] Waterproof controls
I was planning on routinely flooding the cabin in order to provide
additional negative buoyancy and in order to practice emergence escape
procedures with my partner. To that end I figured on mounting the fish
finder and a gps in an enclosed acrylic dash board. It would be nice, but
not totally necessary to be able to operate a few of the control buttons,
especially on the gps. I suppose a mechanical button could be built into
the acrylic panel but I don't have any simple ideas for that, you? I don't
want a CRT just because of the size.
-- Doug Jackson
In a message dated 4/18/2003 10:12:46 PM Eastern Standard Time,
psub_only_temporary@hotmail.com writes:
> 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