[TowerTalk] Fwd: Advice on Old TV Antenna Tower
jim at audiosystemsgroup.com
Sun Jul 2 10:52:13 EDT 2017
We all hope you survive it.
On 7/2/2017 12:38 AM, N1BUG wrote:
> Try climbing 75 feet of Rohn 6, then 10 feet up a fixed aluminum mast
> that is guyed 20 feet above the tower. The tower flexes and twists,
> the mast flexes. Fortunately I will be doing that for the last time in
> a few weeks when the whole thing comes down to be replaced by 100+
> feet of Rohn 25.
> Paul N1BUG
> On 07/01/2017 08:05 PM, Hans Hammarquist via TowerTalk wrote:
>> I was told that aluminum towers are more springy than steel towers.
>> Mine is
>> an aluminum, guyed though. I still experience the vibration when I
>> am in
>> between the ground and the guy point. Was very scary the first time I
>> climbed it but am use to it now.
>> I believe the "Q" value of aluminum is higher than steel. Therefore
>> aluminum tower vibrate more than steel towers when you climb them.
>> Any takers?
>> Hans N2JFS
>> In a message dated 7/1/2017 1:37:30 P.M. Eastern Daylight Time,
>> john at kk9a.com writes:
>> My 60' Universal Aluminum tower used to move when I climbed it. It
>> like a lot of movement but as Jim said it probably was not. I sort
>> of got
>> use to the movement and never had an issue.
>> John KK9A
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