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Line Stretch or Shrinkage?

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JakeFarley
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Line Stretch or Shrinkage?

Postby JakeFarley » Wed Jan 02, 2019 9:23 pm

On my 2010 Xbows when I tested the line lengths on both bars, the back/steering lines are tight but the center lines are about 1-1/2" longer. I've adjusted the pigtails on both bars to accommodate the 1-1/2" difference so that the kites fly correctly with correct trim and depower. I'm thinking that both stretch of the center lines and shrinkage of the steering lines has happened. Anyone else have this happen to their lines? Any thoughts?

Mossy 757
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Re: Line Stretch or Shrinkage?

Postby Mossy 757 » Wed Jan 02, 2019 10:07 pm

JakeFarley wrote:
Wed Jan 02, 2019 9:23 pm
On my 2010 Xbows when I tested the line lengths on both bars, the back/steering lines are tight but the center lines are about 1-1/2" longer. I've adjusted the pigtails on both bars to accommodate the 1-1/2" difference so that the kites fly correctly with correct trim and depower. I'm thinking that both stretch of the center lines and shrinkage of the steering lines has happened. Anyone else have this happen to their lines? Any thoughts?
Everyone else has this happen, whether they do anything is another question. My guess is that it's almost entirely rear line shrink, these lines all come pre-stretched so that they won't elongate very much, but dyneema (especially thin dyneema) usually shrinks over time, especially when it's not carrying a lot of load (as is the case with steering lines on a kite).

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ShaveTheWhales
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Re: Line Stretch or Shrinkage?

Postby ShaveTheWhales » Wed Jan 02, 2019 10:13 pm

Forget the shrink - get new lines and save yourself or others from line break injury...


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