Sorry Mis-read the post.
Mike
-----Original Message-----
From: towertalk-bounces@contesting.com
[mailto:towertalk-bounces@contesting.com] On Behalf Of Dino Darling
Sent: Friday, January 13, 2006 3:31 PM
To: noddie; 'K4SAV'; towertalk@contesting.com
Subject: Re: [TowerTalk] Monster quad
Quad?
-----Original Message-----
>From: noddie <noddie@comcast.net>
>Sent: Jan 13, 2006 2:56 PM
>To: 'K4SAV' <RadioIR@charter.net>, towertalk@contesting.com
>Subject: Re: [TowerTalk] Monster quad
>
>www.ky6la.com
>
>Take a look at the above site, he has posted a very detailed installation.
>Other people have used a hinged bracket to get the ground assembled Monster
>on a tilt over.
>
>Mike K6BR
>
>-----Original Message-----
>From: towertalk-bounces@contesting.com
>[mailto:towertalk-bounces@contesting.com] On Behalf Of K4SAV
>Sent: Friday, January 13, 2006 2:18 PM
>To: towertalk@contesting.com
>Subject: [TowerTalk] Monster quad
>
>I am sitting here looking at the pictures of this monster antenna,
>wondering how you would ever get something like this into the air. My
>hat's off to the guys who managed to put this up. Amazing feat. How do
>you think they did it? It obviously has to be assembled while in the
>air. Do you think the guys crawled out on that boom to bolt the elements
>into place?
>
>Full size quad, 3 elements on 80 meters, 5 elements on 40 meters on a 30
>meter boom.
>http://www.pbase.com/df3kv/image/46485731
>http://www.pbase.com/df3kv/image/46485719
>
>
>Jerry, K4SAV
>
>peter.voelpel wrote:
>
>>The best approach is to use slewing bearings at the bottom of the tower.
>>This freestanding, 40m high, rotatable tower of a fellow ham
>>with stacked long boom quads works flawless for more the 20 years:
>>
>>http://www.pbase.com/df3kv/image/46485734
>>
>>http://www.pbase.com/df3kv/image/46485728/original
>>
>>those bearings are obtainable pretty cheap at crane companies
>>
>>73
>>Peter, DF3KV
>>
>>
>>-----Original Message-----
>>From: towertalk-bounces@contesting.com
>>[mailto:towertalk-bounces@contesting.com] On Behalf Of Kelly Taylor
>>
>>My big fear with a tower such as this is that instead of multiple weak
>links
>>(ring rotors), where perhaps one antenna bites it, you have one big weak
>>link that would make the whole assembly bite it. The other angle that is
>>perhaps not been explored either is the capacity of the tower to accept
>>additional loads along its length.
>>
>>If I recall correctly, the Big Bertha tower worked because the entire
tower
>>base was inserted into the bearings which were held down by lots of
>concrete
>>and because the design assumed from the start multiple antennas from top
>>down.
>>
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>>
>>
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