- 1. [TowerTalk] 130mph rohn 25G (score: 1)
- Author: "Jim Jarvis" <jimjarvis@comcast.net>
- Date: Wed, 29 Dec 2004 03:30:03 -0500
- TT: Note Mike's msg, below, and my comments below that. N2EA: Actually a 40ft R25 tower bracketed at 8' would probably handle 130 MPH with no antennas installed. When I ran the calcs for my 34ft R25
- /archives//html/Towertalk/2004-12/msg00547.html (8,963 bytes)
- 2. [TowerTalk] 130mph Rohn 25G (score: 1)
- Author: "Hank Lonberg" <kr7x@comcast.net>
- Date: Wed, 29 Dec 2004 11:09:48 -0800
- I am really curious as to how this works. When I calculate the bending moment for a 40 foot section of 25G with a bracket at 8' up using TIA/EIA-222-F specifications for 130 mph design wind velocity,
- /archives//html/Towertalk/2004-12/msg00573.html (7,948 bytes)
- 3. Re: [TowerTalk] 130mph Rohn 25G (score: 1)
- Author: "Michael Tope" <W4EF@dellroy.com>
- Date: Wed, 29 Dec 2004 12:08:54 -0800
- Hank, I just rechecked my calculations and I found an error. I used 2 sqft/section instead of 2.9 sqft/section (I was going from memory). According to my updated numbers this derates things down to a
- /archives//html/Towertalk/2004-12/msg00575.html (10,188 bytes)
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