[TowerTalk] Antenna Side Mounting Ubolts

[n4kg@juno.com]

For medium to small antennas, 2 to 4 U bolts on a tower leg
will hold it.  I use 1-1/2 inch U bolts with a thin wall of PVC,
sliced lengthwise, over the leg for protection.  To accomodate
the smaller U bolt in your boom to mast plate, insert one side
into one of the existing holes and use the other side to mark
the spacing for a new hole to be drilled.

This technique has been successful for several years for
both a 3L20 on a 24 ft boom and a 5L10 on a 28 ft boom.
(Successful = survived estimated 80-90 mph tornado winds).

de  Tom  N4KG


On Mon, 7 Aug 2000 09:54:22 EDT W4nf@aol.com writes:
> 
> I just purchased a second F12 C3E and I will be side mounting it on 
> my Rohn 
> 25G tower (fixed on Europe) 28' below the top (rotating C3E).  The 
> C3E came 
> with the boom to mast clamp and U bolts to accommodate a 2" mast.  I 
> was 
> wondering how most people are side mounting their fixed beams to the 
> tower.  
> I oriented the tower when I poured the concrete so that two of the 
> towers 
> legs lined up to point towards EU at roughly 45 degrees.  Do people 
> use 
> smaller u bolts with saddles to fit the Rohn legs diameter, or is 
> mounting a 
> piece of angle to the tower face a good idea and then using hose 
> clamps to 
> secure the boom in the angle?  Comments would be appreciated.  
> Thanks and 73, 
> Jack W4NF
> I'm also looking for a cheap but still good WX0B stackmatch.
> 
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