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Progcraft Kitebuilder of the Year 2004


Joined: 29 Sep 2003 Posts: 2626 Location: Calgary, AB, Canada
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Posted: Thu Jan 27, 2005 10:56 pm Post subject: Pre-stretch |
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G'day.
I have a question. Do you pre-stretch your dacron line before you make your bridle lines?
Cheers,
P. _________________ There is no box. |
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Dorsal Kite Builder II


Joined: 05 Oct 2003 Posts: 411 Location: USA California Tracy - 50 miles to the right of San Francisco
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Posted: Thu Jan 27, 2005 11:20 pm Post subject: |
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Absolutely! Fresh off the roll, that stuff seems to stretch almost 10%!! Then you can feel it "set" at the proper length. Then roll it back up and make the bridle set.
I suppose it wouldn't really matter for making a bridle for a single kite, but I would have ben adjusting the lines in my stack bridles forever if I hadn't learned about pre-stretching the Dacron first. It's very stable after you do.
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KiteSquid Master Kite Builder


Joined: 29 Aug 2003 Posts: 3601 Location: USA Virginia King George
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Posted: Fri Jan 28, 2005 8:53 am Post subject: |
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I normaly use either a Spectra Cored Dacron or cast off Rokkaku Battle line (which has been stretched in ardrous battle conditions) so I dont ususaly prestrech my lines..
But when I made the Edo kites I used line right off the spool, so YES I stretched them to make the fibers "Lock in".
I also do this to Spectra line that I use on my sport kites when I make up line sets... _________________ VR/
KiteSquid
AKA TakoIka
AKA Harold
King George VA
P.S. Yet another post by the Squid..... Doesn’t he ever shut up???
P.P.S. The wind is like the air, only pushier.
P.P.P.S. All information provided is for hobby use. None may be used commercially. |
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Spence602

Joined: 16 Sep 2003 Posts: 495 Location: USA TX Houston
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Posted: Fri Jan 28, 2005 8:56 am Post subject: |
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I think it was Marty who suggested this:
If you buy 'bulk' line, you can tie a SLK to the end and let it fly for a while - then ALL your line will be pre-stretched! _________________ Spence
www.kiteshark.org
Air: Refreshing when stirred up and served cool on a hot day. |
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KiteSquid Master Kite Builder


Joined: 29 Aug 2003 Posts: 3601 Location: USA Virginia King George
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Posted: Fri Jan 28, 2005 9:10 am Post subject: |
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That is a smart and fun idea!!!!!!! _________________ VR/
KiteSquid
AKA TakoIka
AKA Harold
King George VA
P.S. Yet another post by the Squid..... Doesn’t he ever shut up???
P.P.S. The wind is like the air, only pushier.
P.P.P.S. All information provided is for hobby use. None may be used commercially. |
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Progcraft Kitebuilder of the Year 2004


Joined: 29 Sep 2003 Posts: 2626 Location: Calgary, AB, Canada
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Posted: Tue Feb 15, 2005 7:19 pm Post subject: |
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So, I'm makeing a set of lines with 300lb Dacron and I realized that I do in fact pre-stretch the line. Actually, I stretch it while I measure it, mark it, and cut it.
I realized this when my bridle board broke due to the strain of 6 wraps of 300lb line
P. _________________ There is no box. |
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KiteSquid Master Kite Builder


Joined: 29 Aug 2003 Posts: 3601 Location: USA Virginia King George
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Posted: Wed Feb 16, 2005 8:07 am Post subject: |
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Progcraft wrote: | I realized this when my bridle board broke due to the strain of 6 wraps of 300lb line  |
Just a little lighter touch here, might help.
Or a MUCH stronger bridle board.
Paul LaMasters makes his from 8" wide red oak boards!!!!!!!!! Heavy but they look good!!!!! _________________ VR/
KiteSquid
AKA TakoIka
AKA Harold
King George VA
P.S. Yet another post by the Squid..... Doesn’t he ever shut up???
P.P.S. The wind is like the air, only pushier.
P.P.P.S. All information provided is for hobby use. None may be used commercially. |
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KiteSquid Master Kite Builder


Joined: 29 Aug 2003 Posts: 3601 Location: USA Virginia King George
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Posted: Wed Feb 16, 2005 8:34 am Post subject: |
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Progcraft wrote: | I realized this when my bridle board broke due to the strain of 6 wraps of 300lb line  |
Just a little lighter touch here, might help.
Or a MUCH stronger bridle board.
Paul LaMasters makes his from 8" wide red oak boards!!!!!!!!! Heavy but they look good!!!!! _________________ VR/
KiteSquid
AKA TakoIka
AKA Harold
King George VA
P.S. Yet another post by the Squid..... Doesn’t he ever shut up???
P.P.S. The wind is like the air, only pushier.
P.P.P.S. All information provided is for hobby use. None may be used commercially. |
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