[TowerTalk] Overhead cables from tower to shack

[Brian Alsop]

There is a program which you can use to estimate the side load on the 
tower.   Look at the following link. 
http://www.spaceagecontrol.com/calccabl.htm?F=75&a=85&q=0.200044091&g=32.18503937&Submit+Button=Calculate 
  Sorry about the spurious postings 73 de Brian/K3KO
> 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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