Re: Trolling Motors

[michaelbholt@juno.com (Michael B Holt)]

On Mon, 26 Oct 1998 21:12:28 -0800 Rick Lucertini <empiricus@sprint.ca>
writes:
>Some subs even have optically controlled motors, arms, etc.  
>Light is projected from inside
>the pressure hull's viewing port to a receiver external to the hull.  

When I suggested the light-controlled exterior equipment to someone
in about '76, he giggled.  Really nervously.    I'd called the US Navy's
office 
that was, at the time, responsible for connectors.  Optical control was 
Top Secret.  Oh, well.  I probably have a FBI file because of those
calls.

>When there is a penetration, it's usually through a 
>single "bus" or manifold of sorts.

How does one built that bus or manifold?  How do you get several
pairs of cables sealed in one penetration?

I'd wondered about making an electrical penetration that was mushroomed 
on either side of the hull.   A gasket of insulation would be on either
side of 
the hull, separating it from any other conductor.  The fittings on both
sides 
would be flush and latched around the mushroom, to provide a penetration
which was, structurally, a part of the hull.   



Michael B. Holt
Oregon Hill, Richmond, Virginia, U.S.A.
--


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