Next message: Jim Hague: "Re: lv-ab: Re: Worthless Circuitbreakers"
> A boat may need to weigh anchor and get underway in
> a hurry. In an
> emergency, the Captain or "some meathead" as you
> refer to him, should always
> have the option to override any protection circuit
> and demand maximum
> available performance from his equipment and/or crew
> to save the ship. In
> order to prevent a collision or running hard
> aground, if it takes sending
> someone with a fire extinguisher to the smoking
> windlass motor, then that is
> what you do. You don't give up the ship just because
> some ten cent flip-flop
> in a protection circuit decided not to flip. BTW in
> warships this override
> concept is known as the "Battle Short" and is used
> only when consequences of
> inaction are a lot worse than burning up some
> equipment.
This isn't an old Star Trek re-run. Overriding
properly designed circuits is not going to make
equipment work, generally it will only burn up what
the circuit protection is protecting.
Battle override? First, your pleasure boat isn't a
warship, and warships don't do this. I worked on US
Navy ships for half my life as an electrician,
everything from aircraft carriers to patrol boat. Been
everywhere from the tanks to Combat information Center
and never saw 'Battle Override" switches to override
circuit protection. For mission critical equipment
there are multiple independent installations for use
in failure. You may even find redundant power
circuits. No battle override. It would make little
sense to 'override' a circuit breaker or fuse when all
your going to do is fry the equipment.
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