[TowerTalk] Rohn 45 bracketed

[Roger (K8RI)]

On 5/14/2010 8:43 PM, K7LXC at aol.com wrote:
>
> In a message dated 5/4/2010 12:01:09 P.M. Pacific Daylight Time,
> towertalk-request at contesting.com writes:
>
>    
>>   Curious to know if Rohn 45 was bracketed to my brick  house no higher
>>      
> than 9 feet above ground, how high could the tower go with  a small
> windload, unguyed?  Small = TH2 + 3el 6M +  rotator.
>
>      Well, it depends. What's your county windspeed  rating? If you don't
> know, you can find it at
> _http://www.championradio.com/county.windspeed.data.html_ (http://www.championradio.com/county.windspeed.data.html) .  It's the
> minimum - your local building department may have deemed it higher.
>    
There are more complications though. Brick house, or brick veneer.  The 
veneer has very little structural strength and even less in the lateral 
direction which means the bracket should be fastened to the supporting 
structure behind the veneer.

73

Roger (K8RI)
> A free-standing 45G can go to around 35' with  your load @ 80 MPH. Rohn
> specs allow you to be about 15 feet above the  housebracket but the stated
> loads are bigger so they don't provide a direct  answer.
>    

>
> Cheers,
> Steve   K7LXC
> TOWER TECH
>
>
>
>
>
>
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