[ARC5] 400 & 800 cycle power aboard ship

J. Forster jfor at quikus.com
Mon Aug 27 20:44:10 EDT 2012


Build a soundproof box for the inverter.

-John

============


>
> No comment,yet. I've got two of those things (800-1 inverter). The Chief
> of the Fire Dept. lives next door. What's a guy to do?
>
> As an aside: When I was a kid growing up (?) in N.J. ,I got a Dynajet
> pulse jet (~400 cyps) model airplane motor. I built the test stand. I
> fired the thing up. Scared me as I now had the power of the gods in my
> hands, The Police showed up...The entire Volunteer Fire Dept. showed up...
>
>  Several years later my younger brother got into model rockets and
> go-carts...
>
>
>  We both have all our fingers and no scars. Amazing...
>
> Jay
> .
>
>
>
> -----Original Message-----
> From: Jim Horn <zippypik at aol.com>
> To: arc5 <arc5 at mailman.qth.net>
> Sent: Mon, Aug 27, 2012 3:59 pm
> Subject: Re: [ARC5] 400 & 800 cycle power aboard ship
>
>
>
>
> Mike Everette wrote:< "A lot of 400 cycle powered gear was used aboard USN
> ships
> uring WW2. >
>
> he shipboard equivalent of the GP series of transmitters is the TCE
> series.  It
> s slightly larger and uses steel for the chassis & covers.  The surprising
> hing is that the TCE also requires 600 to 800 cycle power (in addition to
> 28
> olts DC).
> o figure.
> y memory says that the preliminary GP-7 manual indicated that the 800
> cycle
> ower source was an 800-1 inverter.  These inverters were reputed to be at
> least
> s good sirens as they were inverters.
> im Horn
>
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