[Milsurplus] Let stir up the hornets nest!

[Michael Bittner]

Thanks for your reply, Mike.  Yep, I think I'll leave the APA-10 in its 
present state.
73, Mike W6MAB

----- Original Message ----- 
From: "Mike Hanz" <aaf-radio-1 at aafradio.org>
To: "Michael Bittner" <mmab at cox.net>
Cc: <Milsurplus at mailman.qth.net>
Sent: Wednesday, July 14, 2010 7:49 PM
Subject: Re: [Milsurplus] Let stir up the hornets nest!


> That's a fair question, Mike.  To me, the APA-10 is in a somewhat 
> different class than a BC-224-A or other 1930's comm set.  The original 
> conversion to 60Hz is *not* trivial, so if it is operational, the 
> deconversion would depend on two things - the availability of an original 
> 400~ transformer, and the degree of metal patching required.  For that 
> set, I'd be tempted to leave it as is, especially if it's working well. 
> It's a neat looking panadapter, even if the 30MHz position requires a bit 
> of manual sweeping to scan the full band.  Mount it up high on your 
> shelving and you won't see the 60Hz transformer on the back... :-)
>
> On 7/14/2010 6:34 PM, Michael Bittner wrote:
>> Mike, The APA-10 that you helped identify for me a few months back had 
>> been
>> converted to 60 Hz in a fairly professional manner.  I now have it up and
>> running with nice traces on 0.455 and 5.25 MHz.  The only ugly thing 
>> about
>> it is the housing on the rear panel for the 60 Hz power transformer.
>> Seriously, would you convert it back to 400 Hz???
>>
>> ----- Original Message -----
>> From: "Mike Hanz"<aaf-radio-1 at aafradio.org>
>> Sent: Wednesday, July 14, 2010 3:34 PM
>>
>>
>>> I have a BC-224-A that suffered the same 19" panel replacement
>>> treatment, John...only more.  Yes...one of the original unobtanium RCA
>>> 224-A receivers that began the whole BC-224/348 series. :'(   The only
>>> thing easily salvageable was the tuning bezel, which was missing on the
>>> one at http://aafradio.org/flightdeck/1935/1935.html and of course was
>>> transferred to complete that one.  Gone were the control designation
>>> plates, original knobs, power/avc/avc switch, etc.
>>>
>>> To add insult to injury, the original tubes had been replaced with
>>> postwar miniatures mounted on reducer plates in the original tube socket
>>> holes...hack, cough, retch....
>>>
>>> It's gonna be a long comeback project.....
>>>
>>> On 7/13/2010 7:32 PM, John Hutchins wrote:
>>>
>>>> http://kansascity.craigslist.org/ele/1839821535.html
>>>> What a modification!
>>>>
>>
>
>