[NJARC] Philco 60 Antenna Coil - Open

[Aaron Hunter]

Joe

Glad you tackled and fixed it.  I repaired a Philco coil once but don't 
remember which one or where the break was other than it was the outside 
winding.  I seem to remember unwinding it to find the break.  It was not 
at the terminal lug.

Aaron

TrainBee via NJARC wrote:
> Just remember
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> Reply All = Everyone
>
> _________________________________________________________
>   
>
> ------------------------------------------------------------------------
>
> Thanks Chuck,
>
> I did get it fixed last night. I'm working on some pictures. That was 
> a good video. My coil is slightly different, but has the same function.
>
>
>
> Please stand by as I get to the rest of the story.
>
>
>
> Regards,
>
>
>
> Joe
>
>
>
>
> -----Original Message-----
> From: Chuck <cpaci1 at verizon.net>
> To: Pete O <stateasylum at yahoo.com>; TrainBee <trainbee at aol.com>; njarc 
> <njarc at mailman.qth.net>
> Sent: Thu, Mar 23, 2017 9:41 am
> Subject: Re: [NJARC] Philco 60 Antenna Coil - Open
>
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> _________________________________________________________
> Hi Joe,
> I found a video that may help you.
> See below,
> Chuck
>  
> /Philco 60 restoration p10o14/
> /Time to repair that open SW antenna coil./
> /https://www.youtube.com/watch?v=RRYr8pY_ViY/
>  
>  
> *From:* Pete O via NJARC
> *Sent:* Wednesday, March 22, 2017 7:40 PM
> *To:* TrainBee ; njarc at mailman.qth.net
> *Subject:* Re: [NJARC] Philco 60 Antenna Coil - Open
>  
> Just remember
> Reply = Poster
> Reply All = Everyone
>
> _________________________________________________________
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> It's been my experience that the break in those Philco coils is where 
> the outer winding makes a 90 degree bend and then down to the solder 
> lug.  If it is this outer winding, carefully lift it up out of the wax 
> until you get to the bend. It's part of the coil winding process that 
> puts strain on the bend. Removing that one turn won't hurt anything. A 
> stereo microscope really helps along with some dental tools.
>
> If you are really desperate, you can send the coil to me and I'll 
> check it out under the microscope. No guarantees though.
>
> Pete Olin
>
>
> ------------------------------------------------------------------------
> *From:* TrainBee via NJARC <njarc at mailman.qth.net 
> <mailto:njarc at mailman.qth.net>>
> *To:* njarc at mailman.qth.net <mailto:njarc at mailman.qth.net>
> *Sent:* Wednesday, March 22, 2017 5:28 PM
> *Subject:* [NJARC] Philco 60 Antenna Coil - Open
>  
> Does anyone have any experience with rewinding an Antenna Coil (IF) 
> for a Philco 60?  How about another Philco of similar vintage? I have 
> one that has an open winding between terminals 2 and 3.  If not, have 
> you ever rewound a coil and could give some advise?  I'm pretty sure I 
> have the problem narrowed down.  There is no signal generated by the 
> LO and no voltage readings from either terminal 2 or 3.  The ohms 
> readings between the top lug and # 4 isn't close, but at least there 
> is something.  I'm also getting a reading between terminals 1 and 6. 
> Once again, it's not close to the schematic.
>
> I'd prefer to not rewind the entire coil.  But, if in your experience, 
> this is what's needed, then I'll give it a try.  I've seen the info on 
> Ron Ramirez's site and I'm hoping I can get some more shared 
> experience from our members.  The Philco 60 I am working on is from 
> the Sept. 1934 production run.  It incorporated quite a few of the 
> improvements that Philco had for this radio. 
>
> Thanks in advance for your help.
>
> Joe Devonshire
>
>
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