[ARC5] Tape

[J. Forster]

I was building spacecraft when the Teflon cautions came out. The issue is,
if a wire bundle is held together w/ smething like lacing cord that
continually applies pressure, over time the Telfon cold flows.

We has to remove all cable lacing and change to a wire mesh overwrap.

-John

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



> On Thu, 2013-04-25 at 03:47 -0700, don davis wrote:
>> Yes, Kapton is the right stuff.  Teflon is awful.  Mylar film can be
>> used OK
>> as well as polyolefin tubing.  Spaghetti tubing made of fiberglass is OK
>> and
>> is period correct.  RTV might work - but ONLY electronic grade.  Leads
>> can
>> also be epoxy coated to immobilize them.  Lead inductance shouldn't make
>> a
>> difference with electrolytic caps at audio frequencies.
>>
>> 73 de don ad6PB
>
>
> Hi Don,
>
> I have some teflon insulated wiring that has been in place for years.
> Apparently the memo about how awful teflon is wasn't out and that wiring
> doesn't know any better than to work. Maybe those other products are
> better choices in new applications today.
>
> Maybe the post about the lead length came from somebody who didn't know
> these caps are not being used at UHF. At power and audio frequencies the
> inductance doesn't amount to anything at all.
>
> 73,
>
> Bill  KU8H
>
> ______________________________________________________________
> 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: http://www.qsl.net/donate.html
>
>