Posted: 6/16/2012 6:25:11 PM EDT
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I'm thinking of putting up a 45G. Was out measuring today, and I've got a question about the guy lines. Two of the three will meet the ground at a spot that's about 10' in elevation lower than the base of the tower, and the third about 3' higher (it's not a perfectly flat spot). Is that a big deal? |
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I believe the angle that the lines leave the tower is the important part. How long they are before they terminate doesn't matter, within reason.
I've often wondered about this myself since my yard isn't flat either, but my yard isn't really large so I decided on a self-supporting tower for when I can afford it. I don't know the math to say exactly where to place the end of the guys on an uneven yard, but I'm sure it's simple geometry.. A flat yard would be way too easy. 
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Quoted:
I believe the angle that the lines leave the tower is the important part. How long they are before they terminate doesn't matter, within reason. That would be correct, within reason. The important issue with guys is that the magnitude of axial force - and angle - be equal at the point of attachment at the tower. What happens at the bottom of the guys is of lessor importance. In extreme cases you can have more flex and cable weight to manage on a very long guy, in relation to the others. but, 10 ft is not an issue and the angles being the same is the only critial factor. Properly tensioned guys and the correct angles and 10 ft is no problem... |
