[simpits-tech] RE: CP Clock

[jay-anna]

Thanks Marv.

"Show me a man who cannot be bothered to do the little things, and I
will show you a man who cannot be trusted to do the big ones."
--Lawrence Bell, Founder Bell Hellicopter

-----Original Message-----
From: simpits-tech-admin@simpits.org
[mailto:simpits-tech-admin@simpits.org] On Behalf Of Marv De Beque
Sent: Thursday, October 24, 2002 4:55 AM
To: simpits-tech@simpits.org
Subject: Re: [simpits-tech] RE: CP Clock

I would think DC is fine.  If you want to fuse it, 1/2 to 1/4 amp would
be
fine.  The purpose of the fuse is not to protect the clock, but to
prevent
the wires in the circuit (before the clock) from melting and catching
fire
or dragging the bus supply down.

Put the fuse as close to voltage source as you can.
-- 


> From: "jay-anna" <jay-anna@mindspring.com>
> Reply-To: simpits-tech@simpits.org
> Date: Wed, 23 Oct 2002 23:20:54 -0500
> To: <simpits-tech@simpits.org>
> Subject: [simpits-tech] RE: CP Clock
> 
> I recently acquired a Waltham A13A/L aircraft clock.  This looks
exactly
> like the one in the F-16.  It may be the one in the F-16 as it fits
> exactly into the Right Aux panel hole for the clock.  Anyway, on the
> back of the clock is a 3 pin connector to hook up power to the clock
to
> run the back lighting.  The guy I got the clock from had originally
told
> me it was 5 V DC with one pin hot, the other ground and the other not
> used.  I hooked up some power from one of my PC's mole connectors (5 V
> DC) to the +/- terminals and it lit up just fine.  Did it repeatedly
to
> make sure I didn't blow out any bulb or circuit.  I email the guy back
> about the connector and what the max amperage might be (so that I
could
> later place a fuse in the power line to prevent any power surge from
> popping the light bulbs inside) and he told me that someone told him
> that the lighting operates on 5 V AC not DC.  Does anyone know for
sure
> what the requirements of this clock are?  To any EE out there, can an
> item wired for AC work on a DC current?  I didn't think that was
> possible.
> 
> Jay "crease-guard"
> 
> "Show me a man who cannot be bothered to do the little things, and I
> will show you a man who cannot be trusted to do the big ones."
> --Lawrence Bell, Founder Bell Hellicopter
> 
> 
> 
> 
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