[ARC5] Command Receivers conversion products from N3LLL

Mon Jul 5 15:31:31 EDT 2021

hey guys,

Here is a link to the subdirectory for the conversion parts and other ARC5
info http://www.kitparts.com/ARC5  there is also a youtube of my
restoration process.  https://www.youtube.com/watch?v=mCPXjvLzNZs&t=169s

Best Regards ... tom, N3LLL

On Mon, Jul 5, 2021 at 2:14 PM Bill Cotter <n4lg at qx.net> wrote:

> Scott,
>
> I saw the ARC-5 terminal strips, SS Dynamotor,
> and control panel products in Huntsville at the
> hamfest in 2019. I ordered them by contacting Tom
> at his n3lll at kitparts.com and he gave me a quote
> which I paid with PayPal.
>
> At the time, he offered bare boards and complete
> capacitor kits. The parts are all first rate and
> made the conversion clean and tidy.
>
> 73 Bill N4LG
>
>
> At 02:55 PM 7/5/2021, you wrote:
> >This is a great way to preserve and use the
> >radio.  A purist can keep the
> >cans for preservation's sake if he wishes.
> >Are these still available from N3LLL?  His very
> >ancient website doesn’t
> >state so.
> >
> >73,
> >Scott W7SVJ
> >
> >-----Original Message-----
> >From: arc5-bounces at mailman.qth.net
> ><arc5-bounces at mailman.qth.net> On Behalf
> >Of Bill Cotter
> >Sent: Monday, July 5, 2021 9:41 AM
> >To: ARC-5 <arc5 at mailman.qth.net>
> >Cc: ARC-5 <arc5 at mailman.qth.net>; gewhite at crosslink.net
> >Subject: Re: [ARC5] Waking up Command Receivers
> >
> >Likewise, I never restuff the cans, I find the
> >reward less than the effort.
> >What I have used on the last six ARC-5 receivers
> >are the recap kits from
> >N3LLL. See attached. They are modestly priced
> >and make a quick and tidy job
> >of recapping.
> >
> >n3lll at kitparts.com
> >
> >73 Bill N4LG
> >
> >
> >
> >At 11:53 AM 7/5/2021, Mark K3MSB wrote:
> > >I never repot the caps.Â  I just replace them with individual
> > >capacitors.Â Â Â  Recapping the SCR-274N
> > receivers is straightforward
> > >and takes just a few hours time (if you're slow like me.....).
> > >
> > >
> > >
> > >On Mon, Jul 5, 2021 at 11:49 AM J Mcvey
> > ><<mailto:ac2eu at yahoo.com>ac2eu at yahoo.com> wrote:
> > >
> > >Yes the caps tend to be very leaky. The big ones
> > >on the power lines will go dead short all of
> > >sudden- even after the radio has been on a while!
> > >If you intend to use the radio, definitely
> > >consider re-potting all of the caps. The
> > >performance will probably improve also.
> > >I use a pipe cutter to make a clean cut, but a
> > >hack saw will work too...
> > >
> > >I've has less problems with the resistors, but
> > >that may depend on how the radio was stored.
> > >On Monday, July 5, 2021, 11:27:34 AM EDT,
> > ><<mailto:gewhite at crosslink.net>gewhite at crosslink.net> wrote:
> > >
> > >
> > >I have a couple of power supplies for the
> > >AN/ARC-5 and SCR-274N that plug into the
> > >dynamotor receptacle andÂ  are powered by 110
> > >volts AC. One was made by the lab at Aircraft
> > >Radio Corp and I made the other myself.
> > >Reasonably neat construction. I want $50 each
> > >plus postage. - Gordon Eliot White, po box 129,
> > >Hardyville, VA 23070 804-695-4628
> > >
> > >
> > >
> > >
> > >-------- Original Message --------
> > >Subject: Re: [ARC5] Waking up Command Receivers
> > >From: Mark K3MSB <<mailto:mark.k3msb at gmail.com>mark.k3msb at gmail.com>
> > >Date: Mon, July 05, 2021 5:48 am
> > >To:
> > >Cc: ARC-5 <<mailto:arc5 at mailman.qth.net>arc5 at mailman.qth.net>
> > >
> > >Alternatively, you could just use a 28V
> > >dynamotor powered off of a 24 V supplyÂ  (or
> > >build a 28V linear supply as I did).Â  28V
> > >Supplies are pretty cheap on Amazon (just be
> > >sure to bypass the output lines as these are switching supplies).
> > >
> > >In Feb 2020, using a stock BC-453B,Â  I logged
> > >68 NDBs during a weekend listening sprint with
> > >the receiver connected to my 160M INV-L antenna.
> > >
> > >73 Mark K3MSB
> > >
> > >
> > >
> > >On Sat, Jul 3, 2021 at 11:19 AM Al Klase
> > ><<mailto:ark at ar88.net>ark at ar88.net> wrote:
> > >Gang,
> > >
> > >We all have these things languishing in our
> > >collections.Â  Here's how to use one without
> > >building up a complete system.
> > ><http://www.skywaves.ar88.net/homebrew/ARC-5_PS
> > /ARC-5_PS.html>http://www.sk
> >ywaves.ar88.net/homebrew/ARC-5_PS/ARC-5_PS.html
> > >Let me know if you have comments or corrections.
> > >
> > >73,
> > >Al
> > >
> > >--
> > >
> > >Al Klase - N3FRQ
> > >
> > >Jersey City, NJ
> > >
> > ><http://www.skywaves.ar88.net>http://www.skywaves.ar88.net
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