[MRCA] W.S. #19 discussion

[J. Forster]

Some kind of laquer, or perhaps Glyptal, yes; airplane dope I doubt. It
dries too fast and does not soak in well.

-John

===============




> John -
> In the old days did they not dope the wire ends, with model airplane
> dope  I remember my grandfather mentioning that while fixing a lamp cord
> or something like that when I was a kid.
> Hutch
> On 4/25/2013 1:49 PM, J. Forster wrote:
>> John,
>>
>>
>> It's not the wire at issue. The insulation is served near the lugs to
>> keep
>> it from fraying.
>>
>> -John
>>
>> ==============
>>
>>> All -
>>> Visual effect of cotton cord is simple, cotton lacing is available, or
>>> lacing for boots and or shoes can be used then dyed to the proper color
>>> if necessary.  For my HS 30 head phones I used boot laces over the
>>> plastic wire.
>>> Hutch
>>> On 4/25/2013 1:05 PM, D. Platt wrote:
>>>> John,
>>>>
>>>> Thanks for the comments, all well taken.  I did get a bit of
>>>> improvement when aligning the receiver, admittedly not a great deal,
>>>> however.  I concur with your assessment of the tinsel cord. Without
>>>> those lugs that pierce the wire, one is at a severe disadvantage when
>>>> trying to solder them.  That said, I have gotten away with it,
>>>> sometimes.  What I was planning to do was make up a pigtail with a
>>>> cable that's amenable to soldering.  How I might get the visual effect
>>>> of the cotton cord, I've not figured out, yet.  I will look out on
>>>> Ebay, etc, until I can find a plug.  What I'll do with this rig, other
>>>> than add it to the collection, is unclear.  Its the getting it on the
>>>> air that's all the fun...!!
>>>>
>>>> Regards   Jeep - K3HVG
>>>>
>>>>
>>>> On 4/24/2013 1:26 PM, J. Forster wrote:
>>>>>> As I mentioned in an earlier post, I recently acquired a WS #19 MkII
>>>>>> setup with many accessories.  After doing some in-depth maintenance,
>>>>>> alignments,
>>>>> I've a half dozen WS19s, and none has required any alignment.
>>>>>
>>>>>> and some re-building I have the thing on the air.  This is
>>>>>> evidenced by being heard up and down the East coast this past
>>>>>> Saturday
>>>>>> on the OMRN.  Not the strongest signal in the neighborhood, but
>>>>>> heard,
>>>>>> none the less.  I am trying to cobble together the original
>>>>>> headphones
>>>>>> and mics as virtually all the phone elements are bad.
>>>>> The only failure mode known for the mikes, is corrosion of a wire
>>>>> lead to
>>>>> the diaphragm. If they ar open at DC thay are no good, if not, they
>>>>> are
>>>>> good.
>>>>>
>>>>> snip...............
>>>>> They are called 'drop leads'. Watch eBay. They show up as spares. The
>>>>> drop
>>>>> leads and extension cords all use tinsel wire. They are HARD to
>>>>> reterminate. I would not cut the extensions up. The jackets are also
>>>>> whipped with fabric thread and laquered.
>>>>>
>>>>> -John
>>>>>
>>>>>
>>>> John,
>>>>
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>>
>>
>
>