[TowerTalk] Re: Re: Re: Antenna element vibration damping - How

Jan Erik Holm sm2ekm at telia.com
Sun Aug 10 16:20:53 EDT 2003



Zoran Brlecic wrote:
> Jan Erik Holm wrote:
> 
>  > I started to use stainless screws more then 25 years ago,
>  > I have gone thru that process with corroded screws a long
>  > time ago and did learn.
>  > I have more then 70 yagi ( HF bands) elements up in the air,
>  > some has been there 20 or more years, no ropes no rivets no
>  > hose clamps no vibrations.
>  > Man you guys went to the moon more then 30 years ago, and I
>  > sure admire you for that, you should be able to beat this one.
> 
> 
> Your antenna elements don't exhibit resonant wind vibration because you
> use stainless steel screws?
No
> And rivets are not OK because it "makes it difficult to dismantle elements
> if you ever need to" after 20 or more years? 
Yes
 > But metal screws in the aluminum tubing do not make disassembly
> difficult or even impossible?
No
> 
> WA7AA

73 Jim SM2EKM






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