[ARC5] [External Sender] Re: Command set BFO coil - is it affected by the can filler (beeswax?)

[Bill Henderson]

I believe the wax was to help keep moisture OUT of the capacitor.

 - Bill H. / va3hwa



[image: Mailtrack]
<https://mailtrack.io?utm_source=gmail&utm_medium=signature&utm_campaign=signaturevirality5&>
Sender
notified by
Mailtrack
<https://mailtrack.io?utm_source=gmail&utm_medium=signature&utm_campaign=signaturevirality5&>
02/27/20,
02:26:13 PM

On Thu, Feb 27, 2020 at 12:50 PM J Mcvey via ARC5 <arc5 at mailman.qth.net>
wrote:

> It was common for all radios in that era to have wax on the coils.
> I personally have never encountered one where the wax caused any problems.
>
>
> On Thursday, February 27, 2020, 12:46:27 PM EST, Bob Groh <
> bob.groh at gmail.com> wrote:
>
>
> I have seen some comments about the effects of long-term exposure to the
> filler material (bees wax?) in the capacitor cans in the Command sets (e.g.
> BC-453 et al).
>
> I.E. that the filler interacts with the can material (over very long time
> periods) to create mildly corrosive mixture which is part of the reason why
> the capacitors in the cans fail (although I frankly also feel that the caps
> also fail just because they are old!!).
>
> My question: is the BFO coil similarly exposed to the same goop and does
> that also lead to failures?
>
> Bob Groh, WA2CKY
> ______________________________________________________________
> ARC5 mailing list
> Home: http://mailman.qth.net/mailman/listinfo/arc5
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:ARC5 at mailman.qth.net
>
> This list hosted by: http://www.qsl.net
> Please help support this email list: https://www.qsl.net/donate.html
> ______________________________________________________________
> ARC5 mailing list
> Home: http://mailman.qth.net/mailman/listinfo/arc5
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:ARC5 at mailman.qth.net
>
> This list hosted by: http://www.qsl.net
> Please help support this email list: https://www.qsl.net/donate.html

-- 
CONFIDENTIALITY NOTICE:  The information transmitted in this e-mail is 
intended only for the person to whom it is addressed and may contain 
confidential, personal and/or privileged material.  Any distribution, use 
or copying of this e-mail or the information it contains by anyone other 
than the intended recipient(s) is unauthorized.  If you are not the 
intended recipient and have received this communication in error, please 
notify the sender immediately and delete the message and any attachments 
from your system.
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://mailman.qth.net/pipermail/arc5/attachments/20200227/da1b7fc4/attachment-0001.html>