On 5/14/2010 11:53 PM, Gene Smar wrote:
> TT:
>
> Now is as good a time as any to bring to your attention the QST
> article titled, "Install a House-Bracketed Tower -- The Right Way."
> It's in the August, 1996 issue, page 35. Let's be careful out there!
As I mentioned in an earlier thread, a 40 to 50 foot tower improperly
installed can wreck the wall/end of a house. The article Gene is
mentioning does a good job of explaining the problems and how to handle
them.
73
Roger (K8RI)
>
>
> 73 de
> Gene Smar AD3F
>
>
> ----- Original Message ----- From: "Roger (K8RI)"
> <K8RI-on-TowerTalk@tm.net>
> To: <towertalk@contesting.com>
> Sent: Friday, May 14, 2010 10:04 PM
> Subject: Re: [TowerTalk] Rohn 45 bracketed
>
>
>>
>>
>> On 5/14/2010 8:43 PM, K7LXC@aol.com wrote:
>>>
>>> In a message dated 5/4/2010 12:01:09 P.M. Pacific Daylight Time,
>>> towertalk-request@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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>>> TowerTalk@contesting.com
>>> http://lists.contesting.com/mailman/listinfo/towertalk
>>>
>>>
>> _______________________________________________
>>
>>
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>
>
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