IF anyone would like to see jpg of base mounted rotor email me direct.
73,
dave
wa3gin
Roger K8RI on Tower wrote:
><snip>
>HDBX48 metal on one leg! This caused the tower to actually fold over at
>the 6ft level, right where the new rotor plate was mounted! Had I mounted
>right at ground level, there is a chance, I guess, that it just might have
>survived ;)
>
>One thing I forgot to add in a previous post about rotors mounted down in a
>tower. When mounted "in the tower", but at the base there is no give to
>take up the stress and that small area takes the entire brunt of the torque.
>If the rotor has a mount on the concrete, or a seperate mount it removes the
>stress from the tower.
>
>Roger Halstead (K8RI and ARRL 40 year Life Member)
>N833R - World's oldest Debonair CD-2
>www.rogerhalstead.com
>
>
>As I said, thankfully there was no damage other than the total loss of the
>tower and antennas. The rotor survived, as did the mast, except for the
>top piece. I had alot of damage photos but can't seem to find them right
>now but if I do, I will put them out on my web-site for viewing.
>
>Chuck KØTVD
>
>
>
>
>>Chuck. The devil is in the details. Please share with us the details of
>>your loss. Was your HDBX48 sensibly guyed? Share how you had guyed the
>>tower. Did the guys break or pull out first? Was the tower guyed at the
>>top
>>and also lower? What was the wind speed? Was it a hurricane or tornado?
>>How long a mast did you use? How far above the apex of the tower was the
>>KT34XA mounted? Did the mast collapse first? Was the HDBX48 mechanically
>>sound?...i.e all cross braces in place and secured.
>>
>>Doug/VA5DX
>>
>>
>
>
>_______________________________________________
>
>See: http://www.mscomputer.com for "Self Supporting Towers", "Wireless
>Weather Stations", and lot's more. Call Toll Free, 1-800-333-9041 with any
>questions and ask for Sherman, W2FLA.
>
>_______________________________________________
>TowerTalk mailing list
>TowerTalk@contesting.com
>http://lists.contesting.com/mailman/listinfo/towertalk
>
>
>_______________________________________________
>
>See: http://www.mscomputer.com for "Self Supporting Towers", "Wireless
>Weather Stations", and lot's more. Call Toll Free, 1-800-333-9041 with any
>questions and ask for Sherman, W2FLA.
>
>_______________________________________________
>TowerTalk mailing list
>TowerTalk@contesting.com
>http://lists.contesting.com/mailman/listinfo/towertalk
>
>
>
>
_______________________________________________
See: http://www.mscomputer.com for "Self Supporting Towers", "Wireless Weather
Stations", and lot's more. Call Toll Free, 1-800-333-9041 with any questions
and ask for Sherman, W2FLA.
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