[AMRadio] ART 13 Transmitter - WWII Drake Power Supply


Mark Foltarz Foltarz at rocketmail.com
Fri Feb 25 16:08:38 EST 2005


Dale,

   Here are a couple of photos from Field Day 2002.

This is a picture of the poser supplies. The left most is the Drake ART13 110
vac power supply. Of course the tag is conveniently on the other side!
http://www.lakeerieba.com/images/fd2002005_PWS.jpg


These two next show what was set up 
http://www.lakeerieba.com/images/fieldday_2002_BA.jpg
http://www.lakeerieba.com/images/fieldday_2002_BA2.jpg

de KA4JVY

Mark




--- Radio Station KW1I <kw1i at earthlink.net> wrote:


> Mark,
> 
> If you had a chance to take an image of that power supply I sure would like
> to see what it looks like.  I might recognize one when I am prowling through
> attics and garages in the future,  I have two working ART-13s.  I have a
> dynomotor and a big 28 vdc supply and I have a homebrew AC supply that has
> about 550 v and 1500 v dc supplies that give me enough drive and input power
> to get about 150 watts out.
> 
> Dale
> KW1I
> 
> 
> ----- Original Message -----
> From: "Mark Foltarz" <Foltarz at rocketmail.com>
> To: "Discussion of AM Radio" <amradio at mailman.qth.net>
> Sent: Thursday, February 24, 2005 10:28 AM
> Subject: Re: Re: [AMRadio] ART 13 Transmitter - WWII Drake Power Supply
> 
> 
> > >
> > > I assume you are using the Drake PS for the TR series?
> > >
> >
> > Ron,
> >
> > Nope! As far as I can tell this power supply was one of the first itmes
> Drake
> > ever produced. They made a few items during WWII and this was made I
> believe in
> > 1944.
> >
> > It sort of a squatty cube about 1 foot on side and about a foot and a half
> in
> > height. It has a big fan in the top cover. There are two lamps, a breaker
> > doubles as a power switch and there is also power connector the same as
> that on
> >  the transmitter.
> >
> > I have never seen another one.
> >
> > It was made just for the ART13. It contains the filament, LV & HV
> supplies.
> >
> > When I got it the filament supply was shorted and all the electrolytics
> were
> > bad.
> >
> > I replaced the filament transformer with a 19 VAC and full waved the
> output
> > into a big cap ( 50K ufd or something.) I removed the 4 mercuty arc tubes
> and
> > replaced them with SS rectifiers.
> >
> > Finally, the electrolytics were removed and replaced with a bunch of 430
> ufd @
> > 250 shunted by 40K equalization resisitors.
> >
> >
> > Everything else is intact. You turn on the switch and the big green light
> > lights up. Wait about 45 seconds and the relay used to delay the plate for
> the
> > mercury tubes kicks in and the red lamp  and HV supplies come up. The
> > transmitter is ready for service.
> >
> > Like I said, I have never seen another one of these power supplies. I
> don't
> > have the model number in hand as I am in Florida right now and the supply
> is in
> > Ohio.
> >
> >
> > de KA4JVY
> >
> > Mark
> >
> > --- w6om at cox.net wrote:
> >
> > >
> > > Thanks Mark
> > >
> > > My instincts told me that there had to be something available out there,
> > > either Drake, Heath or some commerical piece.
> > >
> > > I assume you are using the Drake PS for the TR series?
> > >
> > > Cheers
> > >
> > > Ron
> > > > From: Mark Foltarz <Foltarz at rocketmail.com>
> > > > Date: 2005/02/23 Wed PM 08:02:06 EST
> > > > To: Discussion of AM Radio <amradio at mailman.qth.net>
> > > > Subject: Re: [AMRadio] ART 13 Transmitter
> > > >
> > > > Ron,
> > > >
> > > > I have been using an ART13 with the Drake AC power supply for the
> intended
> > > > purpose.
> > > >
> > > > Give a shout here at 813-837-2324 or 440-570-1762.
> > > >
> > > > Or a QSO on 20m SSB
> > > >
> > > > de KA4JVY
> > > >
> > > > Mark
> > > >
> > > >
> > > > --- w6om at cox.net wrote:
> > > >
> > > > >
> > > > > Finally dug into all three ART 13's and ready to combine the best of
> two
> > > into
> > > > > one really nice AM transmitter and sell the third one.   Before I
> heat up
> > > the
> > > > > soldering iron, tube tester and VTVM I wonder if anyone has
> experiance
> > > using
> > > > > commerical or amateur power supplies with one of these beauties to
> save
> > > in
> > > > > home brewing one.
> > > > >
> > > > > Thanks
> > > > >
> > > > >
> > > > > Ron Weaver - W6OM - FO5VO
> > > > >
> > > > > www.qsl.net/w6om
> > > > >
> > > > > ______________________________________________________________
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> > > >
> > > >
> > > >
> > > >
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> > >
> > > Ron Weaver - W6OM - FO5VO
> > >
> > > www.qsl.net/w6om
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> 



		
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