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Total 4 documents matching your query.

1. [TowerTalk] Luso Tower/wind load rating (score: 1): Author: "Art Trampler" <atrampler@att.net>; Date: Sun, 15 Nov 2009 01:56:08 -0600; OK, am I missing something here? If I am understanding how Luso states the wind load ratings on its smaller towers, they are rated at 53.8 sq.ft.(Maximum wind speed: 25 m/seconds at full extension) 5; /archives//html/Towertalk/2009-11/msg00268.html (7,126 bytes)
2. Re: [TowerTalk] Luso Tower/wind load rating (score: 1): Author: "Larry" <lknain@nc.rr.com>; Date: Sun, 15 Nov 2009 06:52:35 -0500; I forget the exact numbers but wind pressure is something like 20 psi at 50 mph, 30 psi at 86 mph, and 40 psi at 100 mph. There are many other factors obviously that will affect the load. ___________; /archives//html/Towertalk/2009-11/msg00269.html (8,713 bytes)
3. Re: [TowerTalk] Luso Tower/wind load rating (score: 1): Author: "Richard (Rick) Karlquist" <richard@karlquist.com>; Date: Sun, 15 Nov 2009 08:49:05 -0800; Wind pressure varies as the square of speed. Thus 80 MPH has 64/25 = 2.56 times the force of 50 MPH. The necessary reduction in antenna area has to be even more than this factor, because reducing the; /archives//html/Towertalk/2009-11/msg00277.html (10,055 bytes)
4. Re: [TowerTalk] Luso Tower/wind load rating (score: 1): Author: jimlux <jimlux@earthlink.net>; Date: Sun, 15 Nov 2009 09:23:20 -0800; my math comes out slightly different (56.25/80 = 0.7), so the rating is going to be half the area.. 20ish square feet. _______________________________________________ ________________________________; /archives//html/Towertalk/2009-11/msg00279.html (7,990 bytes)

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