[TowerTalk] Rohn 25 & Mast lingth

Jim Brown jim at audiosystemsgroup.com
Tue Apr 18 13:21:18 EDT 2017

I'm not a structural or mechanical engineer, but from my courses at the 
beginner level in those disciplines 50+ years ago, it seems to me that 
how much mast is needed within the tower depends on what is above the 
tower on that mast, how long that mast is, and the wind loads.

If you're an ME and have done the calcs, I'll certainly defer to your 

73, Jim K9YC

On Mon,4/17/2017 2:26 PM, Grant Saviers wrote:
> There is no structural advantage to more mast inside the tower beyond 
> 3 ft or so.  More doesn't matter either way. 

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