[ARC5] A.R.C. Type 12 questions

[Phillip Carpenter]

Jeep,

There were the prototype R-112 (100-125MHz) and R-113 (125-156MHz) VHF receivers that had dials.

Phillip, WB4PAC 

Sent from my iPhone

> On Oct 29, 2022, at 9:11 PM, Phillip Carpenter <carpenterpa at tds.net> wrote:
> 
> Keep,
> 
> Any idea what “R-“ receiver number that VHF receiver was with the dial?
> 
> Phillip
> 
> Sent from my iPhone
> 
>> On Oct 29, 2022, at 9:08 PM, Jack Antonio <scr287 at att.net> wrote:
>> 
>> I don't have an answer for #1 or #2.  But for #3.
>> 
>> The A.R.C. Type 15 is the VOR system, and consisted of an R-13
>> receiver, a converter to decode the information, racks and etc.
>> 
>> Most of the receivers seen are the R-13B, which looked like the
>> Type 12 gear, grey, no dial, and a connector where the center of
>> dial was located.
>> 
>> The earlier versions of the Type 15 used the R-13(no suffix).
>> For all intents and purposes, it looks like the typical
>> WWII "ARC-5" family receiver, black wrinkle, dial, and the front
>> panel socket for the remote or local adapter. They covered 108 to 136 Mc. Same rear panel connector, and pinouts were the same as for the
>> WWII receivers. I think these were the same as the limited run
>> of tunable VHF receivers A.R.C. made for the AN/ARC-5.
>> 
>> Having said that, though, I do recall seeing or hearing that some
>> one figured out how to put a dial on the Type 12 receivers. But no
>> details come to mind. If it was doable, I imagine it involved some
>> of cannabiliztion of other sets.
>> 
>> Jack Antonio
>> WA7DIA
>> 
>> 
>> 
>> 
>> 
>> 
>>>> On 10/29/2022 3:55 PM, Hubert Miller wrote:
>>> Some questions about the A.R.C. Type 12 :
>>> 1. The C-22A control box for the R-15 receiver, why do I not see this in my bunch of Type 12 manuals, date 1956 ?
>>> 2. It looks like the only tuning control box for the R-10 broadcast band receiver is the C-24 multiple receiver control, right ?
>>> 3. ( I asked this question here some years back, but forgot what the reply was. )  Many years ago, I was offered a bunch of
>>> the VHF receivers of ARC Type 12. All had been converted and as I remember, had a local tuning disc scale just like the
>>> 274N, ARA, ARC-5 receivers. How was this done? I looked at the exploded view in my Type 12 manuals, but they don't
>>> show any gear linkage that could drive a tuning scale installed in this 'snout' position of the Type 12 receiver. But I seem
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