[ARC5] Modifying the adapter box

Tue Oct 16 04:53:33 EDT 2012

Leave it alone!

Make up a small external box on a U shaped  piece of aluminium ( a scrap 
large heat sink is perfect)..fit a switch and a pot on the front..fit a 
phone socket on the back and wire a plug that fits into the REAR socket  of 
the receiver (all the connections of the adapter box are on the rear )  and 
then just move this from set to set..never touching the original adapter 
unit (if you are lucky enough to have it still there)..no hacking at all 
..Pat/EI7CN

-----Original Message----- 
From: arc5-request at mailman.qth.net
Sent: Tuesday, October 16, 2012 1:33 AM
To: arc5 at mailman.qth.net
Subject: ARC5 Digest, Vol 105, Issue 46

Send ARC5 mailing list submissions to
arc5 at mailman.qth.net

To subscribe or unsubscribe via the World Wide Web, visit
http://mailman.qth.net/mailman/listinfo/arc5
or, via email, send a message with subject or body 'help' to
arc5-request at mailman.qth.net

You can reach the person managing the list at
arc5-owner at mailman.qth.net

When replying, please edit your Subject line so it is more specific
than "Re: Contents of ARC5 digest..."

Today's Topics:

   1. Re: ARC type 12 (Kenneth G. Gordon)
   2. Re: ARC type 12 (Clare Owens)
   3. Re: On Hacking (mac)
   4. Serialized Adapter Boxes and Stuff (Robert  Eleazer)

----------------------------------------------------------------------

Message: 1
Date: Mon, 15 Oct 2012 16:32:51 -0700
From: "Kenneth G. Gordon" <kgordon2006 at frontier.com>
Subject: Re: [ARC5] ARC type 12
To: Arc5 at mailman.qth.net
Message-ID: <507C9D23.5319.CCDD473 at kgordon2006.frontier.com>
Content-Type: text/plain; charset=US-ASCII

On 15 Oct 2012 at 16:08, Kenneth G. Gordon wrote:

> Does anyone have schematics or a manual for this series of receiver?

It MAY also be the AN/ARC-60 system, but I am not certain about this...

> I have both an R-11A and an R-13A. As I remember it, the R-11A covers
> 190 - 550 Khz, while the R-13A covers the broadcast band.

Darn! I meant the R-22: there is no R-13A. The only "13" is a transmitter.

Anyway, I now have schematics, but would LIKE a manual if such even
exists any more.

Kenneth G. Gordon W7EKB

"Courage is being scared to death but saddling up anyway."--- John   Wayne

------------------------------

Message: 2
Date: Mon, 15 Oct 2012 19:52:46 -0400
From: Clare Owens <clare.owens at gmail.com>
Subject: Re: [ARC5] ARC type 12
To: kgordon2006 at frontier.com
Cc: Arc5 at mailman.qth.net
Message-ID:
<CAFdOJ7M79qmPYdeFJ458efz2wVadEdD7wEVnQ5R_Abd43JCofA at mail.gmail.com>
Content-Type: text/plain; charset=ISO-8859-1

W7FG manuals has a nice copy of the ARC-12 manual available.

Clare

On Mon, Oct 15, 2012 at 7:32 PM, Kenneth G. Gordon <kgordon2006 at frontier.com
> wrote:

> On 15 Oct 2012 at 16:08, Kenneth G. Gordon wrote:
>
> > Does anyone have schematics or a manual for this series of receiver?
>
> It MAY also be the AN/ARC-60 system, but I am not certain about this...
>
> > I have both an R-11A and an R-13A. As I remember it, the R-11A covers
> > 190 - 550 Khz, while the R-13A covers the broadcast band.
>
> Darn! I meant the R-22: there is no R-13A. The only "13" is a transmitter.
>
> Anyway, I now have schematics, but would LIKE a manual if such even
> exists any more.
>
> Kenneth G. Gordon W7EKB
>
> "Courage is being scared to death but saddling up anyway."--- John   Wayne
>
> ______________________________________________________________
> ARC5 mailing list
> Home: http://mailman.qth.net/mailman/listinfo/arc5
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:ARC5 at mailman.qth.net
>
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html
>

------------------------------

Message: 3
Date: Mon, 15 Oct 2012 16:57:45 -0700
From: mac <w7qho at aol.com>
Subject: Re: [ARC5] On Hacking
To: ARC-5 List <arc5 at mailman.qth.net>
Cc: Mike Morrow <kk5f at arrl.net>
Message-ID: <C5565572-EB72-49E5-ADF8-327F79C20BA5 at aol.com>
Content-Type: text/plain; charset=US-ASCII; format=flowed; delsp=yes

  I grew up in Montana in the 40's and 50's in a house full of guns
and at that time, at least,  sporterized M1903s were numerous and
highly prized.  I also recall that the NRA fully aided and abetted
these mutilations with numerous conversion articles and advertisements
for stocks, sights, mounts, gunsmithing tools, chemicals, etc., etc.
in their monthly publication.

Dennis D.  W7QHO
Glendale, CA

******************
On Oct 15, 2012, at 8:11 AM, Mike Morrow wrote (in part):

>  A sportorized Model 1903 Springfield
> or Model 1917 Winchester or Mark III Enfield is in any case
> essentially
> worthless.

------------------------------

Message: 4
Date: Mon, 15 Oct 2012 20:33:11 -0400
From: "Robert  Eleazer" <releazer at earthlink.net>
Subject: [ARC5] Serialized Adapter Boxes and Stuff
To: <arc5 at mailman.qth.net>
Message-ID: <41F8E00EAA8D45EF8A7EBBD22CB914A8 at DH26DQ31>
Content-Type: text/plain; charset="iso-8859-1"

I have one adapter box with a serial number plate, says "1263"  Or rather, I 
have just the front cover from it.  I believe it came from a broadcast band 
command set.

By the way, I have a picture of a set of SCR-274-N receivers being installed 
in a new P-51A and while the sets are natural metal, one of the FT-230 
adapter boxes is black wrinkle.  There was some mixing and matching going 
on.

And speaking of both adapter boxes and surplus conversions, why would anyone 
NOT do as I did and modify an adapter box with a phone jack, volume control 
and BFO on/off switch so it could be moved from set to set.  Why would they 
NOT do that rather than tear up an adapter box just to get the front panel 
and mount the controls to it - and then have to remove the inner socket and 
run wires so to solder to the appropriate points?  Or for that matter, why 
drill holes in the front panel of the set to mount audio jacks and controls 
when just modifying an adapter box will do?  I have both a 453 and a 455 
that have been modified in that needlessly destructive manner.

And why, if you are modifying a R-28, would you rip out all of the crystal 
relays and sockets?  Just because the surplus conversion article told you 
to?  And why would you ever write an article that said to do that?  My 
example has been so violated, and with no hope of getting it back to 
original condition.

Why do extra work AND destroy the originality of the set as a bonus, all to 
gain no obvious advantage?

I will say one thing for my own mod work: it generally did no major damage 
to the equipment.  The command transmitter I hammed back in the mid-70''s 
IAW the ARRL handbook article I could get it back to almost original with 
only a couple of holes showing how it was violated.  And due to my modified 
adapter, none of the receivers I used were hurt in any way.  I did follow a 
73 magazine article on converting an R-15, but without a control box you 
have few other options with that set.

And to Ken Gordon:

Yes, I have not just the schematics for those sets but the whole original 
maintenance manual, TM-11-525-25, April 1958, courtesy of the Misawa AB Aero 
Club, it says.  What info do you need?

By the way, to fire up an R-11, you just plug in a headset and apply power; 
that's all it takes.  That was my first ARC set.

Wayne

------------------------------

_______________________________________________
ARC5 mailing list
ARC5 at mailman.qth.net
http://mailman.qth.net/mailman/listinfo/arc5

End of ARC5 Digest, Vol 105, Issue 46
************************************* 