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[Towertalk] Where to Place Guys for a Roof Tower?

To: <towertalk@contesting.com>
Subject: [Towertalk] Where to Place Guys for a Roof Tower?
From: n4kg@juno.com (n4kg@juno.com)
Date: Tue, 3 Sep 2002 08:34:55 -0600
Place the guys as far out as your roof extends.  

NO FURTHER !

:-)    Tom  N4KG

Corollary 1:  ANY GUY is better than NO GUY.

Corollary 2:  For a short tower with a modest load, guys can be
               placed fairly close to the tower as long as the total
               load does not exceed the ratings of the tower, guys,
                   and support (roof).

On Tue, 03 Sep 2002  Eric Rosenberg <wd3q@erols.com> writes:
> I'm about ready to put up a new (to me) roof tower, but have a 
> question 
> about guying (which the manual calls for).
> It's one of those Japanese 3m (~10 ft) quadpod and a 4-sided 
> straight 
> section types (4.75 ft lower section, 6.5 ft upper section, with the 
> 
> sections bolted together). The the guy point is ~ 0.5m (20") down 
> from 
> the top. The rotor sits 1.5m
> (~5 ft) below the top, with 3m (~10 ft) of the mast sticking out the 
> 
> top.
> 
>             ______
>             |    |
>             |    |
>             |    |
>             ------  << rotor goes ~ here (1.5m down from the top)
>             |    |
>             |    |
>             |    |
>             |    |
>             ------
>            /      \
>           /        \
>          /          \
>          |<---1m---->|
> 
> My question is how do I determine where on my roof to put the 
> guys...which is to say, what's the angle between the guys and the 
> vertical section?
> 
> [The manual also shows the legs sitting against angle iron and *not* 
> 
> bolted down. This surprised me at first, but when I checked out the 
> legs of the tower, I noticed that there were no bolt holes! As this 
> is 
> a replacement for another similarly base dimensioned (but smaller) 
> roof 
> tower, I'll be drilling holes to fit the existing feet.]
> 
> Thanks in advance,
> 
> Eric W3DQ
> Washington, DC 
> 
> _______________________________________________
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