[50mhz] Tower Question

[Mike Coogan]

A Ham IV  rotor likes carrying the weight of the mast, antennas etc. I 
asked similar question to Norm's Rotor Service. He stated the Ham IV 
could hold upwards of 600#. Its working fine here with full weight on 
the rotor, a Ham IV installed in two towers. 73
Mike KB7ME
Vancouver, Washington
cn85qq

----- Original Message ----- 
From: "Jeramy Thibodeaux" <kg4azt at earthlink.net>
To: <50mhz at mailman.qth.net>
Sent: Sunday, March 04, 2007 6:28 AM
Subject: Re: [50mhz] Tower Question


> Bob,
>
> I intend to use Rohn 25 for a similiar setup as yours.  I feel that 
> the Rohn 25 is more than strong enough to support this array but do to 
> the height you are planning, I would still attach guy ropes.  I am 
> only looking at going up about 30-35 feet with the tower attached to 
> the eve of the house and I will still use at least one set of guy 
> ropes do to the possiblity of hurricane winds.  My main concern is the 
> weight on the rotor I will be using (HamIV)? I will probably end up 
> using some sort of support bearing to ease the load on the rotor.
>
> Jeramy in North Carolina
> kg4azt
>
>
> ----- Original Message ----- 
> From: <W0DXZ at aol.com>
> To: <50mhz at mailman.qth.net>
> Sent: Sunday, March 04, 2007 8:55 AM
> Subject: [50mhz] Tower Question
>
>
>>I know that this is a 50 mhz group, but I have a tower question... we 
>>all
>> have towers. I recently lost one in an ice storm... too big of an 
>> antenna on a
>> poorly guyed  lightweight tower. I want to put up ONE more tower in 
>> my life, and
>> not worry about it.
>>
>> I would like to put on that tower, a rotor, a 5 el M2 6M beam, a 13 
>> el 2M
>> beam, and a 19 el 432 beam.
>>
>> I am thinking of Rohn 45,,, 70 feet. I had previously used mainly 
>> Rohn 25,
>> with good results.   (The one that fell over was not a Rohn 25, my 
>> Rohn 25
>> stayed up)I can guy this new tower in three places, top middle, 
>> lower.
>> Why would a person go to Rohn 45 over Rohn 25? Is it worth the 
>> expense with
>> the relatively small arrays I am putting up?  Sure would be easier to 
>> climb.
>> Suggestions?
>> Bob in Iowa
>> W0DXZ
>>
>>
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>
>
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