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Lengths of guy ropes - user defined anchoring heights and distances

The calculator will work out the lengths of guys necessary for anchoring your mast. It will calculate for anchoring in either three or four different directions and one to six levels of anchoring. It assumes anchoring heights on your mast are placed evenly apart, and that the ground is level. The calculator “User-defined layout” permits you to select the exact guy anchoring heights and distances for your mast. --- Remember to include a surplus to cover any measuring inaccuracies and the thimble termination at either end. The calculator will show you the length of the guys needed for each level, and the total length required for the whole mast. --- You can study the results and decide if you want every guy to be an unbroken length, or if you want to save money and have joints. Jointing shorter pieces obviously uses the odd lengths more economically, but please do not even think of tying a knot to make a joint, do it properly with the correct hardware, otherwise a large part of the guy strength will have been lost. --- The calculator works out how many reels of guy you will need in total for whichever way you choose. All reels are 100m long. --- Use the “Forces in guywires” calculator to work out what strength guy you need, and then you are ready to order you new guys and accessories.


3 1
1 levels, 3 directions
4 1
1 levels, 4 directions
3 2
2 levels, 3 directions
4 2
2 levels, 4 directions
3 3
3 levels, 3 directions
4 3
3 levels, 4 directions
3 n
n levels, 3 directions
4 n
n levels, 4 directions

[3 or 4] Number of directions
Unit of input
Unit of the results
Fill those levels only you want to calculate, the rest leave blank

HEIGHT - height of the level
DISTANCE - distance guying point from the base

[0 to 9, ft or m] Reserve for terminating and inaccuracies (per guywire)
[0 to 9, ft or m] Bottom part of the guywires from different material (steel rope, chain etc.)
[1 to 999, ft or m] Rope length on one reel
If you wish, you can leave here your call sign, just to let us know. Its optional.

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