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using house as a guypoint

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Subject: using house as a guypoint
From: (Bill Frede)
Date: Tue, 30 Jul 1996 09:05:48 -0600
I need some advice from the tower gurus.   I am planning on erecting a 50 foot 
Rohn 25 tower on my city lot in such a way that will require one anchor point 
be the house itself.  I am looking for advice from someone that has done 
something similar and opinions from anyone else.

Here's the deal.  The lot is 160x90 feet and is relatively flat even though 
this is a 
mountainous area.  To keep neighbors and wife somewhat happy with this setup I 
have decided to locate the base at the side of the house along the centerline.  
puts it 25 feet from the side lot line.  The house is a rectangular two story. 
feet and 27 feet tall at the peak) 

The Rohn book calls for two sets of guys at 23 and 45 feet.  For the lower guy 
point I thought I would use a house bracket and reinforce the attachment point 
similar to this month's QST article written by Tony Brock-Fisher, K1KP.  For 
top guys I will run two wires away from the house to elevated guyposts.  The 
third guy will run back inline with the peak of the house.  I propose attaching 
it to a 
mast that runs vertically down through the roof peak.  The mast will sit on an 
assembly of wooden 4x4s that are attached to the ceiling joists and rafters.
Suggestions on mast material and diameter?  No waterpipe, right?  It would 
probably be
6 feet tall.  

I haven't heard of or seen a setup like I have suggested but it seems like it 
be safe if properly designed and constructed.  Your thoughts?
Thanks and 73,
Bill Frede   AA0WO
Pocatello, Idaho

|      **********
|      *        *
|    T *-----X--*
|      *        *
|      **********

X=guy support
*=house outline
-=roof ridgeline

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