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PostPosted: Thu Apr 13, 2006 5:40 pm 
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Joined: Mon Aug 08, 2005 8:30 am
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Location: Houston, Tx
There are two parallel triangular metal parts at each corner of the main sail. Those two metal act as a support for the sail so the tension wouldnt tear the hole open.

Look at figure 24 in
http://static.hobiecat.com/2010_archive/support/pdfs/e_h14manual.pdf

My first question is what do you call these two metal parts?
My second question is; what kind of rivits hold those two pieces together? Salt water seemed to have eaten up these rivits in the front part (where the boom attaches to the main sail) and they are no longer supporting the sail properly. I need to replace all 6..
Can i get these rivits (If that's what they're called) from a regular hardware store?? or Hobie?
Thanks alot!!


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PostPosted: Fri Apr 14, 2006 5:34 am 
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Location: St. Louis, MO
I know the one along the foot (bottom) of main sail at the aft end is the clew plate, but I forgot what the forward plate is called. About purchasing your rivits at a regualr hardware store... do this with extreame caution! Make absolutly sure you are purchasing a high quality stainless steel or monel so they will not corrode (or not a badly as a cheap grade stainless).

Also, the rivit used here are bot the regular blind (pop) rivets. They need to be bucked (backed up, suported) on both sides. It also takes a special machine to set the rivets and I doubt the average person has one or wants to buy one for the few times they will use it. Your best bet is to go to a loft (sailmaker) and have them take care of it. You will spend less that way than buying the rivet machine.

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PostPosted: Fri Apr 14, 2006 6:29 am 
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Location: Detroit, MI
The word you're searching for is "tack". (It's the tack plate you're talking about ashmetry)

The corners of a sail are tack (forward), clew (aft), head (top)
The sides of a sail are luff (forward), foot (bottom), leech (aft)

Nick's right about not using pop-rivets for the reinforcing plates. The tails stick out after they've been set and will snag on things - like the sail whe you roll it up.


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PostPosted: Fri Apr 14, 2006 8:10 am 
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Location: Houston, Tx
Thanks alot.!

Do you all know the name of that specific riveting gun that makes a rivet's tail flat so it wouldn't snag on things like Matt said.

The problem is that there are no sail makers around my area but there are many upholstery shops that might have it. I need to call and ask before i start driving and see if they have that machine.
Thanks alot.
-Ash


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PostPosted: Fri Apr 14, 2006 8:30 am 
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Location: Detroit, MI
Go to http://www.mcmaster.com and go to page 3150. Scroll about 2/3 of the way down and you'll find it - for $360.


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PostPosted: Fri Apr 14, 2006 8:45 am 
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Thanks alot!


Last edited by ashmetry on Sat Apr 15, 2006 4:10 pm, edited 1 time in total.

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 Post subject: Tack clew plate rivets
PostPosted: Sat Apr 15, 2006 8:40 am 
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Location: Oceanside, California
I have done this with a vise / anvil, a couple vise grip pliers and a flat punch. I slip a couple rivets in for alignment of the plates. Clamp the plates tightly to the sail with the vise grip pliers. Place the head of one rivets against the vise / anvil or solid metal surface. Tap the opposite end of the rivit shank with the flat punch to spread and secure. Flatten too much and you don't have enough material to hold.

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Director of Parts and Accessory Sales
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PostPosted: Mon Apr 17, 2006 8:15 am 
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Location: Houston, Tx
I went to a local hardware store and got a two piece rivets that you hammer together.
Similar to:
Image

It took 5 mins to put together and cost under $5.

It worked great!


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