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## [TowerTalk] TEMPERATURE COMPENSATED GUY WIRE TENSION FORMULA

 To: "'towertalk@contesting.com'" [TowerTalk] TEMPERATURE COMPENSATED GUY WIRE TENSION FORMULA "De La Vega, Fernando" Mon, 29 Oct 2012 15:48:36 +0000 mailto:towertalk@contesting.com>
 ```Hi everybody: I am creating a chart with values for TEMPERATURE COMPENSATED GUY WIRE TENSIONS, I found the following formula: (0.0065) * ( wire cross sect area ) * ( modulus of elasticity ) * ( temp 1 - 60 deg F) * ( H * H / L * L ) Temp 1 = new temperature above or below the 60 deg F 0.0065 = thermal expansion factor of wire H = horizontal distance between anchor and tower (radius of guy wire) L = Length of guy = sqrt ( H*H + V*V) V = vertical distance between anchor and attachment to tower) However, ( H * H / L * L ) = sin2 (angle) Angle = angle of guy wire and horizontal line I do not understand why it multiplies by the square sine of the angle !!! Could please anybody tell why?? Does it have to do something with TIA equations?? Thank you --------------------------------------- Fernando de la Vega, E.I.T. CFE Telecom Main: (512) 495-9470 Direct: (512) 674-9419 Cell: (574) 312-0005 fdelavega@ccc411.com _______________________________________________ _______________________________________________ TowerTalk mailing list TowerTalk@contesting.com http://lists.contesting.com/mailman/listinfo/towertalk ```
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