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Re: [TowerTalk] Wind 3 Second Gust Speeds

To: <towertalk@contesting.com>
Subject: Re: [TowerTalk] Wind 3 Second Gust Speeds
From: "W7CE" <w7ce@curtiss.net>
Date: Thu, 21 Sep 2006 09:20:59 -0700
List-post: <mailto:towertalk@contesting.com>
----- Original Message ----- 
>>From: "Robert Chudek - KØRC" <k0rc@citlink.net>
>>To: <towertalk@contesting.com>
>>Sent: Wednesday, September 20, 2006 10:30 PM
>>Subject: Re: [TowerTalk] Wind 3 Second Gust Speeds
>>

>>On the "freebie" I mentioned above, page 5 of 7 has the conversion chart 
>>Al was referring to. It shows the 90 mph speed is a 3 second gust, which = 
>>a 75 mph >>fastest-mile, which = 62 mph 10-minute average, which = 60 mph 
>>hourly mean. So the answer to Al's question is yes, 90 mph is the 3-second 
>>gust speed.



Do tower manufactures like US Tower rate their towers based on the 3-second 
gust, 10-minute average or hourly mean?  I don't think I've ever seen a 
tower spec that indicated which one they are using.

73,
Clay  W7CE


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