Bill Frede wrote:
>
> 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
> to
> 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. This
> puts it 25 feet from the side lot line. The house is a rectangular two
> story. (32x26
> 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
> the
> 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
> would
> be safe if properly designed and constructed. Your thoughts?
> Thanks and 73,
> Bill Frede AA0WO
> Pocatello, Idaho
> bfrede@poci.amis.com
>
> |
> |X
> |
> | **********
> | * *
> | T *-----X--* <<<<<<<<< Run the guy attachment to this end of the roof
> ... ???
> | * *
> | **********
> |
> |X
> |
>
> |=lotline
> X=guy support
> T=tower
> *=house outline
> -=roof ridgeline
Bill ... I would consider running the guy to the end of the house, and
attaching it SAFELY to the eave somehow ... You would be saving yourself from
the song "O great ... it's leaking AGAIN around the guy point" being sung ...
Rohn used to offer some hardware for eaves es such ...
And start planning NOW on how to PROTECT the tower/shack/house from lightning !
73 Bill AA4NU aa4nu@raider.raider.net
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