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[TowerTalk] Triangular Crank-Up Wind Load Model

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Subject: [TowerTalk] Triangular Crank-Up Wind Load Model
From: "Kinney John-r17512" <>
Date: Mon, 16 Jan 2006 17:12:29 -0700
List-post: <>
I have a question pertaining to my Hy-Gain HG52SS tower or any other
tower of this type for that matter.  The question: Does anyone have a
model or has anyone attempted to model the wind loading of this type of
tower, at heights less than full extension?  This tower is rated at 9
square feet at 50 MPH average wind speed.  It would be interesting, to
me at least, to see a graph or table stating the increase in wind load
capacity as the tower is lowered to its resting height (21 feet.)  I
asked this question via email directly to Hy-Gain, after their purchase
by MFJ, but never received a reply.
Thanks for the bandwidth.
John Kinney KA7CVJ

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