[MRCA] MRCA Digest, Vol 240, Issue 27

Fri Apr 26 15:26:22 EDT 2024

I've run my PRC 47 at hi power SSB not CW.
It didn't seem to lug down. I never considered they were too wimpy. Guess I got lucky

Wd8axa

Charles Agosti
State Systems Radio
Cell 269-217-4188
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Subject: MRCA Digest, Vol 240, Issue 27

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Today's Topics:

   1. FS:ART-13 (Jeep Platt)
   2. Sussex Military Show (Ray Fantini)
   3. Re: [MMRCG] PRC-47 generator (Tim)

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Message: 1
Date: Thu, 25 Apr 2024 20:16:27 +0000
From: Jeep Platt <jeepcomms at outlook.com>
To: "mrca at mailman.qth.net" <MRCA at mailman.qth.net>
Subject: [MRCA] FS:ART-13
Message-ID:
        <PH7PR84MB16797824645AEBC70151291AB9172 at PH7PR84MB1679.NAMPRD84.PROD.OUTLOOK.COM>

Content-Type: text/plain; charset="us-ascii"

That particular ART-13 is good one. Put out a good 120 watts into 50 ohms w/ 830pf of external loading.  Finding ready-to-go units getting tough... this one will get you on the air.
Jeep K3HVG
Sent from my Verizon, Samsung Galaxy smartphone
Get Outlook for Android<https://aka.ms/AAb9ysg>
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Message: 2
Date: Fri, 26 Apr 2024 18:47:54 +0000
From: Ray Fantini <RAFANTINI at salisbury.edu>
To: "MMRCG at groups.io" <MMRCG at groups.io>, "mrca at mailman.qth.net"
        <mrca at mailman.qth.net>, "milsurplus at mailman.qth.net"
        <milsurplus at mailman.qth.net>
Subject: [MRCA] Sussex Military Show
Message-ID:
        <DM8P220MB0472FC398BB7C68A945CBC8AB8162 at DM8P220MB0472.NAMP220.PROD.OUTLOOK.COM>

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Anyone going to be at Sussex this weekend? I would go but with everything else going on just can afford to do it. Just finished the Delaware thing, got Hagerstown MVPA show next weekend and Hamvention coming up a couple weeks after that. Maybe if we have any radio turn out at Sussex may not do Hagerstown next year in favor of dragging the MUTT up to Sussex. The idea of getting beat down for the jersey turnpike for that trip is not too appealing!
Will be listening for field opps on 7296 and 5357

Ray F/KA3EKH

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Message: 3
Date: Fri, 26 Apr 2024 12:19:45 -0700
From: Tim <timsamm at gmail.com>
To: scottjohnson1 <scottjohnson1 at cox.net>
Cc: Ray Fantini <RAFANTINI at salisbury.edu>,      "mrca at mailman.qth.net"
        <mrca at mailman.qth.net>, "milsurplus at mailman.qth.net"
        <milsurplus at mailman.qth.net>,   "MMRCG at groups.io" <MMRCG at groups.io>
Subject: Re: [MRCA] [MMRCG] PRC-47 generator
Message-ID:
        <CAG9SHKM8OWPTEb5Teeg5EX2xpfGMgMDqwzK4EiTR0Nj9ucuHgg at mail.gmail.com>
Content-Type: text/plain; charset="utf-8"

Hi Scott - Well I don't think these were intended for the PRC-47.  They are
only rated for 125 watts and the PRC-47 manual says the power consumption
"does not exceed 320 watts" (voice, nominal voltage) even with its low duty
cycle.  That did not specify "DC or 400 Hz AC" power but the overall
consumption would be similar in either case.  I'm sure some GI tried to run
a PRC-47 in Hi Power (100 watts) briefly at some point with this generator
but I think that would not be the design or procurement intention.  I
dunno..

It should run the '47 in the low power setting but even that may be close.
The Special Forces "inspection" photo I showed on my post indicates these
were certainly used with the GRC-109 in their service.  This genny would
make perfect sense at SF camps running 400 Hz power for a GRC-109 as a
backup system for their comms in 1966/67.  Anyone else?
Cheers, Tim
N6CC

On Thu, Apr 25, 2024 at 11:30?AM scottjohnson1 <scottjohnson1 at cox.net>
wrote:

> I think the 400 hz version is only for the prc47.
>
>
>
> Sent from my Verizon, Samsung Galaxy smartphone
>
>
> -------- Original message --------
> From: Ray Fantini <RAFANTINI at salisbury.edu>
> Date: 4/25/24 10:32 (GMT-07:00)
> To: Tim <timsamm at gmail.com>, MMRCG at groups.io
> Cc: mrca at mailman.qth.net, milsurplus at mailman.qth.net
> Subject: Re: [MRCA] [MMRCG] PRC-47 generator
>
>
>
> Cool, I always thought it was for the 47 but that other stuff makes much
> more sense. Anyway it not cheap, think he is talking about wanting $500 for
> that little genset.
>
>
>
> Ray F/KA3EKH
>
>
>
>
>
> *From:* Tim <timsamm at gmail.com>
> *Sent:* Thursday, April 25, 2024 12:13 PM
> *To:* MMRCG at groups.io; Ray Fantini <RAFANTINI at salisbury.edu>
> *Cc:* mrca at mailman.qth.net; milsurplus at mailman.qth.net
> *Subject:* Re: [MMRCG] PRC-47 generator
>
>
>
>
>
> Hi Ray - Those are interesting little generators.  A "semi-COTS" design
> based on a chain saw engine...The Army bought 1531 of them in 1966/67 but I
> think they were intended for use with the GRC-109 and probably the RS-6
> sets at the time.  I have powered my sets with one and it does the job just
> fine.  They will power a PRC-47 but probably only in low power mode.
> Here's a bit of a writeup I did to include this gen with some field
> experience around here: https://www.n6cc.com/gensets-for-an-grc-109-etc/
>
>
>
> Cheers, Tim
>
> N6CC
>
>
>
> On Thu, Apr 25, 2024 at 6:13?AM Ray Fantini via groups.io <RAFANTINI=
> salisbury.edu at groups.io> wrote:
>
> Hear is something you don?t see every day, it?s a XLA115/1/400 two cycle
> Homelite 125-watt 400 cycle generator for the PRC-47, appears to be NOS and
> never used. It?s not mine but saw this up at Supply Depo X-Ray last night
> in Delaware. If you are one of those people who are into the PRC-47 this is
> your opportunity to pick up something that?s not that common. You can
> contact me directly and I can provide the contact details.
>
>
>
> Ray F/KA3EKH
>
> _._,_._,_
>
>
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