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[TowerTalk] Calculating Turning Radius when using Rings or IIX RM-16

To: TowerTalk <towertalk@contesting.com>
Subject: [TowerTalk] Calculating Turning Radius when using Rings or IIX RM-16
From: n1rr@comcast.net
Date: Thu, 11 Aug 2016 17:56:23 +0000 (UTC)
List-post: <towertalk@contesting.com">mailto:towertalk@contesting.com>
I am calculating the turning radius that is lost when using two sidemount 
methods I have on-hand. 
IIX RM-16 & Ringrotor 

Turning radius of tower is: From the vertical leg (some distance below the guy 
attachment point) to guy wire. 
Turning radius of antenna is farthest tip to: to centerline of attachment mast 
(for IIX) 
or CG point on boom.(on a Ring) >> NB: This may be a director tip on larger 
yagis. 
Turning radius is NOT calculated from the centerline of the tower section. 
These distances include sag of guy wire and one foot spacing from guywire. 

Ringrotors (-3 feet or less) 
This varies based on size or ring used and size of tower (Gap between vertical 
leg and ring) 

IIX RM-16's (-4.5 feet or less) 

Are these distances accurate or too conservative ? 
Is one foot away from the farthest antenna tip (reflector) to guywire enough 
spacing ? 
-Charlie N1RR 
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