[AMRadio] ART 13 Transmitter - WWII Drake Power Supply


Radio Station KW1I kw1i at earthlink.net
Fri Feb 25 17:40:17 EST 2005


Mark,

That ART-13 supply is a nice package.  I might have recognized it from the
power plug pin out.  But now I'm sure to inspect every 1 ft cube black
crackle box that crosses my flea market trail thanks to your picture!!

Thanks for the pics.  We've had a long winter, the field day pics with the
grass and short sleeves, etc. looks pretty good about now.

Dale
KW1I



----- Original Message -----
From: "Mark Foltarz" <Foltarz at rocketmail.com>
To: <amradio at mailman.qth.net>
Sent: Friday, February 25, 2005 4:08 PM
Subject: Re: Re: [AMRadio] ART 13 Transmitter - WWII Drake Power Supply


> 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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> > > > Ron Weaver - W6OM - FO5VO
> > > >
> > > > www.qsl.net/w6om
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