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Thread: Sail repair - Tape or Sew? w/ pictures Reply to Thread
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  Topic Review (Newest First)
08-01-2007 10:20 PM
sailingdog The tape is nice because it holds itself in place while you're sewing, and keeps the rip or tear shut while you're sewing.
08-01-2007 09:44 PM
wind_magic
Quote:
Originally Posted by sailingdog View Post
The sewing really makes a huge difference, since the stitches help prevent the tape adhesive from being stressed in shear, rather than tension. Many adhesives will creep under shearing forces, but will be much stronger in tension.
I agree, I don't know why someone would want to avoid sewing a sail. Sailors go to more trouble to avoid sewing than it takes to sew it! I mean by the time you even drive to the store and buy tape and come back you could have already sewn the thing and be done with it.
08-01-2007 09:40 PM
sailingdog The sewing really makes a huge difference, since the stitches help prevent the tape adhesive from being stressed in shear, rather than tension. Many adhesives will creep under shearing forces, but will be much stronger in tension.
08-01-2007 11:17 AM
Freesail99
Quote:
Originally Posted by US25 View Post
I wasn't going to post this picture because I was a little embarrased by my poor sewing skills, but I used the sail last night in a race (15 knot winds) and it held! I didn't use any heat, just tape on both sides and a little "professional" sewing.

[IMG]Photo Sharing and Video Hosting at Photobucket[/IMG]
Nice job want to do my boat cushions ......
08-01-2007 11:07 AM
US25 I wasn't going to post this picture because I was a little embarrased by my poor sewing skills, but I used the sail last night in a race (15 knot winds) and it held! I didn't use any heat, just tape on both sides and a little "professional" sewing.

[IMG]Photo Sharing and Video Hosting at Photobucket[/IMG]
08-01-2007 10:54 AM
travler37
Quote:
Originally Posted by sailingdog View Post
Heat in general is not good for laminated sails... I would advise against using an iron on laminated sails.
Not HOT heat.Just around 70/80 degrees.No hotter than a summer day.Difference is sail is flat and supported when heated so glue works into sail.
Mark
07-29-2007 11:27 AM
sailingdog Heat in general is not good for laminated sails... I would advise against using an iron on laminated sails.
07-28-2007 01:58 PM
travler37 Try a iron.As in clothing.Put a double layer of cotton{t-shirt} above and below.Heat will make tape stick better.
Mark
07-28-2007 09:55 AM
wind_magic Even if you have to hand sew it, it doesn't take much time. I find hand sewing sail material easier than hand sewing cloth because everything is bigger, the needles, threading, stitches, everything.
07-28-2007 08:50 AM
hellosailor Often tape doesn't seem to hold on sails. I know part of that is because there's usually some microfine salt spray that acts as a release powder. But something I found out (don't ask me how or why) is that if you use a good glue/epoxy and then place a good tape over it, the tape gets permanently bound to the glue.

On a sail, I'd vote for urethane glue, like Goop, applied after washing the area clean (water then alcohol), topped with sail tape or gaffers tape (which is similar to duct tape, but 3x more expensive with an adhesive that doesn't turn to goo). Plumbers Goop is supposed to have things in it making it bond better to plastics, so I'd try either that one or plain Goop.

And then of course if you can--still stitch over the repair.
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