[Elecraft] FIXED--was NOT the feedline
Doug Daniels
k1rdd73 at gmail.com
Thu Jun 4 08:05:10 EDT 2020
Scotch-70 is $17.50 a roll on Amazon -
https://www.amazon.com/Scotch-70-Self-Fusing-Silicone-Electrical/dp/B0029Z5RSY
On Thu, Jun 4, 2020 at 3:36 AM Edward R Cole <kl7uw at acsalaska.net> wrote:
> My two cents worth:
>
> Professionally, I used a layer of Scotch-70 self-fusing tape covered
> by two layers of Scoth-33+ black electric tape. This was on coax
> cable connectors on small vessels that were in salt-water
> exposure. Removing 5-years afterward, connectors were still
> bright,dry, and looking like new.
>
> Scotch-70 is expensive (I paid $30 per roll over ten years ago for
> it). But when you got guys on board a 26-foot boat in the North
> Pacific with very high seas (like 30-foot) you want their Marine Radio to
> work.
>
> At home, I use heat shrink with two layers of Scotch-33+ fairly
> reliably. If things are too close to wrap with tape then a layer of
> Scotch-Kote seals heat shrink, thoroughly.
>
> I don't use sticky, messy stuff like Coax Seal. Scotch-70 molds into
> a seamless covering and slits easily with a razor knife.
>
> Some large coax connectors are supplied with heat shrink that has a
> melted inner "goo" which is very good sealant. I've found removal is
> not messy so apparently the "goo" cures in some manner. Pretty sure
> you can buy it at commercial electrical suppliers (but probably in
> 4-foot chunks which will cost you). I buy my ordinary heat shrink
> and tywraps (Thomas & Betts) from a local commercial electrical supply
> house.
>
> When temperatures dip to -30F the cheap stuff gets brittle and
> breaks. That's not when I want to climb a tower.
>
> 73, Ed - KL7UW
> http://www.kl7uw.com
> Dubus-NA Business mail:
> dubususa at gmail.com
>
> ______________________________________________________________
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:Elecraft at mailman.qth.net
>
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html
> Message delivered to k1rdd73 at gmail.com
>
--
--... ...--
Doug
More information about the Elecraft
mailing list