[TowerTalk] Crank up tower lightning protection

Roger (K8RI) on TT K8RI-on-TowerTalk at tm.net
Wed Oct 12 11:14:42 EDT 2016


Each section will have one, or possibly two pads making contact.

73

Roger (K8RI)

On 10/12/2016 Wednesday 7:12 AM, David Robbins wrote:
> You already have the tower cabling and the coax and control wires going from
> top to bottom.  And as far as lightning is concerned the tiny gap between
> sections, even if there isn't a metallic connection, isn't going to mean
> anything to lightning.  When figuring lightning protection for high voltage
> power lines we ignored the insulators that were sometimes used on the shield
> wires to break them up to prevent 60hz circulating currents because they
> would flashover almost instantly from any lightning event... and those had
> gaps of several inches.
>
> David Robbins K1TTT
> e-mail: mailto:k1ttt at arrl.net
> web: http://wiki.k1ttt.net
> AR-Cluster node: 145.69MHz or telnet://k1ttt.net:7373
>
> _______________________________________________
>
>
>
> _______________________________________________
> TowerTalk mailing list
> TowerTalk at contesting.com
> http://lists.contesting.com/mailman/listinfo/towertalk


-- 

73

Roger (K8RI)


---
This email has been checked for viruses by Avast antivirus software.
https://www.avast.com/antivirus




More information about the TowerTalk mailing list