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Old 04-09-2013, 13:36   #1
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Spinnaker Seams Glued Only ?

I have decided on getting a 0.75 oz asymmetrical spinnaker on a Selden furler. In discussion of details, the following statement was made by the sail maker:
"Just a note. On this sail the radial seams are glued and the horizontal seams and patches are glued and sewn."

I think that gluing and sewing sounds perfect but am alarmed by the fact that the radial seams are only glued. Is this normal procedure? Wouldn't this kind of seam be subject to earlier failure? Heck, I would think that even the flexing of the fabric would weaken the glue joint. I don't want to be repairing the sail every season ....

Am I out of touch with reality and modern materials or am I justified in doing a double-take of this construction method ?
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Old 04-09-2013, 17:01   #2
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Re: Spinnacker seams glued only ?

I don't know what the sailmakers stories current are (all the sseams on my spinnaker are sown). I did read a story a year ago of a cruiser where the seam kept coming apart because they were glued only and he finally took it somewhere else and got it sown and it lasted afterward.
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Old 04-09-2013, 17:56   #3
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Re: Spinnacker seams glued only ?

Some spinnakers are glued only. Their patches and tapes are still sewn.

I do not know how far this can get, I have only seen dinghy kites done this way (that was back in 2006, so maybe now also bigger sails can be done in the same technology).

You can ask your sailmaker to make a fully sewn one. He will.

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Old 05-09-2013, 00:45   #4
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Re: Spinnacker seams glued only ?

I only do it with racing spinnakers. I never considered it for a cruising spinnaker.

It is a high strength double sided tape that is used and is expensive but you save alot of time sewing as you have to tape it all together with a cheaper double sided tape before you sew it anyway.

I would ask your sailmaker to sew it all.
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Old 05-09-2013, 07:30   #5
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Re: Spinnacker seams glued only ?

Quote:
Originally Posted by Kestrahl View Post
I only do it with racing spinnakers. I never considered it for a cruising spinnaker.

It is a high strength double sided tape that is used and is expensive but you save alot of time sewing as you have to tape it all together with a cheaper double sided tape before you sew it anyway.

I would ask your sailmaker to sew it all.
Thanks for that, mate! I was waiting for either you or Island Planet to chime in with a knowledgeable answer to this question... and your opinion certainly agrees with my amateur ideas!

Cheers,

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Old 05-09-2013, 08:01   #6
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Re: Spinnaker Seams Glued Only ?

Did you spec this as a cruising spinnaker?

I understand that the new double-sided tapes are pretty amazing,especially for lighter (.5 oz) sails, but I wouldn't buy a chute that wasn't sewn.
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Old 05-09-2013, 08:37   #7
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Re: Spinnaker Seams Glued Only ?

Quote:
Originally Posted by Bash View Post
Did you spec this as a cruising spinnaker?
Yes .... although probably not until we discussed the weight of the material (0.75 oz vs 1.5 oz)
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Old 05-09-2013, 08:45   #8
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Re: Spinnaker Seams Glued Only ?

Hey, JD,

Why don't you ask your sailmaker why? now that you have a frame of reference from which to consider the response. Then decide if s/he will be there when it blows apart when you're in the less traveled areas? As in how much of a disaster would it be if you have to strike it and not use it till it can be re-glued or sewn?
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Old 05-09-2013, 09:06   #9
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Re: Spinnaker Seams Glued Only ?

Why put a hole in a sail that stretches?

Maybe glue should have been used 20 years ago.

Most of my sail repairs (and I have had lots!) are sail cloth glued over the original, not sown.


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