[TowerTalk] Overhead cables from tower to shack

[Brian Alsop]

On 9/21/2012 19:31, Gene Smar wrote:
> Hans:
>
> I agree with John G4ZTR: Don't just hang a messenger wire (what your steel wire is called) onto your tower and load it with coax and control cables without considering the sideways force this will impart on your tower, guyed or otherwise. It's best to go with your on-ground alternative. If you can thread the cables through a PVC conduit, even a conduit lying on top of the ditch, you get even more mechanical protection for your cables.
>
>
> 73 de
> Gene Smar AD3F
>
> On 09/21/12, John Lemay<john at carltonhouse.eclipse.co.uk>  wrote:
>
> Hans
>
>
>
> I don't feel competent to comment about lightning strikes and earthing, but
> your proposal has some engineering issues:
>
>
>
> The catenary of wire plus control cable plus coaxial cable will be heavy and
> will exert a sideways pull on your mast. Under windy conditions the pull
> could increase and vary. Are you sure your tower can cope with the extra
> load ?
>
>
>
> John G4ZTR
>
>
>
>
>
> _____
>


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