[ARC5] U.S. WW II equipment

[Mike Everette]

I still have an ARN-6 manual and will check it when I can put my hands on it, but the best of my recollection says there is no inverter used in the ARN-6 setup.  The AC for the loop and indicator comes from the receiver.

73

Mike
W4DSE

--- On Mon, 7/1/13, J. Forster <jfor at quikus.com> wrote:

> From: J. Forster <jfor at quikus.com>
> Subject: Re: [ARC5] U.S. WW II equipment
> To: "Mike Everette" <radiocompass at yahoo.com>
> Cc: "ARC-5 List" <arc5 at mailman.qth.net>, "Roy Morgan" <k1lky at earthlink.net>
> Date: Monday, July 1, 2013, 11:52 PM
> The inverter was needed to power the
> loop indicator(s) and servo motor.
> 
> -John
> 
> ============
> 
> 
> > The only low plate voltage tubes in the ARN-6, as I
> recall, are the 28D7.
> > The rest are normal 12 volt filament types like 12SG7,
> etc.
> >
> > And, the ARN-6 uses a vibrator to make high frequency
> AC for the antenna
> > and indicator selsyns.  Except it's not all that
> high; maybe 130 cycles if
> > I remember right.  It's been quite a while since I
> worked on an ARN-6; but
> > I remember that it was a darn fine radio... much better
> than the ARN-7
> > which it replaced, despite being lower in the
> nomenclature table.  And the
> > 6 was a whole lot smaller and lighter.  Plus, it
> didn't have that
> > screamin' meenie inverter to provide 115 volts at 400
> cycles to run the
> > receiver!
> >
> > 73
> >
> > Mike
> > W4DSE
> >
> > --- On Mon, 7/1/13, Roy Morgan <k1lky at earthlink.net>
> wrote:
> >
> >> From: Roy Morgan <k1lky at earthlink.net>
> >> Subject: Re: [ARC5] U.S. WW II equipment
> >> To: "ARC-5 List" <arc5 at mailman.qth.net>
> >> Date: Monday, July 1, 2013, 5:19 PM
> >>
> >> On Jun 29, 2013, at 5:04 PM, gordon white <gewhite at crosslink.net>
> >> wrote:
> >>
> >> >Â  ...the Air Corps in early 1933 ... fly the
> air
> >> mail in opencockpit biplanes in winter, and had a
> hard time
> >> finding Cleveland, while at the same time those
> terrible,
> >> "corrupt"Â  private air lines were doing the same
> routes
> >> very well, …
> >>
> >> I just read "Wind, Sand, and Stars" by Antoin de
> Saint
> >> Exuprey.  He tells about the some 7 years in the
> 30's
> >> he was a pilot for the French mail service, flying
> in Europe
> >> through (between, not over) the Alps, and later to
> and
> >> across Africa.  The reader can get a very strong
> sense
> >> of pride and admiration for the abilities, bravery,
> and
> >> suffering of those pilots and crew.
> >>
> >> He does not say what aircraft they flew, but does
> mention
> >> that they had no radios, and depended on lights at
> the
> >> landing fields to find their way in.  They
> apparently
> >> had damned little survival supplies, according to
> the tale
> >> about how they flew into the ground in the desert,
> and
> >> walked out for 4 days with no water.  They
> memorized
> >> every "stone and stream" of their routes in order
> to
> >> navigate.
> >>
> >> I have used dead reckoning to get back to the
> carrier from
> >> 150 miles away in the mid-Atlantic with all
> navigation aids
> >> and radios silent, the ARN-59 to find the beacon
> on
> >> Nantucket from the same distance at seat night, and
> Gulf Oil
> >> company maps to fly around New England on nice
> days.  I
> >> can sympathize with the mail pilots trying to find
> >> Cleveland.
> >>
> >> Boat anchor content:
> >> The ARN-6 ADF radio used low plate voltage tubes,
> and ran
> >> entirely on 28 volts DC.
> >> Does anyone know of an on-line manual?
> >>
> >> Roy
> >>
> >> Roy Morgan
> >> k1lky at earthlink.net
> >> K1LKY Since 1958 - Keep 'em Glowing!
> >>
> >>
> >>
> >>
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