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

[David Stinson]

Oops.  That's R-13, not R-15.

On 10/29/2022 8:48 PM, David Stinson wrote:
> Also, the very early R-15s in both 12 and 24 volt varieties
> were painted black wrinkle and had dials.  They were like the
> ARC-5 and type-12 radios had a baby.
> 
> On 10/29/2022 8:24 PM, Phillip Carpenter wrote:
>> 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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