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Re: [TowerTalk] LM-470 at 100 MPH

Subject: Re: [TowerTalk] LM-470 at 100 MPH
From: jimlux <>
Date: Sat, 29 Nov 2008 21:17:05 -0800
List-post: <">>
Bob Selbrede, K6ZZ wrote:
> You bet.  There are plenty of VERY windy areas in
> California.  This area is just east of the Sierra Nevada
> mountains and is typically windy.  We frequently have 30-50
> MPH winds but rarely anything over 70 MPH.  The County
> however has decided to bump the Basic Wind Speed up from 80
> MPH to 100 MPH for this area.
> Bob

And that bump corresponds to roughly a doubling of forces, so 
essentially, what they're asking for is a 100% margin over expected loads.

I can easily believe 70-80 mi/hr winds

After all, some decades ago, someone soared a P-38 engine off in the 
updraft from the Bishop rotor.

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