[TowerTalk] Weak Link in Guy System?

[ray reed]

  I am laying out parts for installing Rohn 45 tower 100' high.  Details for 
90 MPH 100' are 1/4" at 91' and 3/16" at 61' and 31'. From the AnchorData a 
Rod No. of 303 is given.
  The 1/4" EHS is rated at 6400# and the 3/16 at 3900# break strength.
The Rod 303 allowable load is only 7,330 #.

  If all three guys are connected to the single Rod, it would seem to be 
greatly overloaded.  Yet I have never heard of a Rod breaking, but have 
heard of numerous guy wires breaking.  I am puzzled as it, would seem the 
Rod would be the week link when connected to the 3 guys.
  Do I need to go to the 3455 with 17,670 at twice the cost ($57 vs 
$110)each or is the 303 safe as Rohn specifies?
Ray KB5DO
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