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Thread: My First Tarp

  1. #1
    Senior Member stoikurt's Avatar
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    My First Tarp

    NOTE: I moved this over from another thread so as to not take away from that thread.

    This is my first tarp. I made it over the weekend finishing it on Christmas Eve. Itís made of silver 1.1 ounce ripstop, 48Ē wide with DWR. Hereís my process.

    1. First I sewed the 2 halves together making the ridge line.
    2. Then I folded it along the ridge line and used pins all around the edges to hold the material together and laid out flat on the floor. My ridge is 11 feet. (I only put pins in areas that would be hemmed and not exposed)
    3. I came in 2 feet on each edge so the long edges will be 7 feet and took measurement for the end edges. 4. Then I used the cat curve generator that I think Youngblood developed. You have to enter the length and the amount of sag. I chose 3.5" sag for the end edges and 5" sag for the long edges. (I would have preferred having wider material. When I get wider silnylon Iíll make a tarp with deeper curves which I believe will pull it a little more taut)
    5. I made two templates on pieces of boards, but each template was only half of the total length of a side.
    6. I laid a straight edge along the sides of the tarp from point to point and then laid the template against the straight edge at one point, marked it with a permanent marker, flipped it over to mark the other half of the curve.
    7. To cut the material I put pins through both layers of material along and parallel with the marked cut lines. Keep them close the holes won't matter because you will be rolling a hem along the edges.
    8. Stitch triangular reinforcements on each corner on the underside. Just sew them down across from side to side and not along the edge.
    9. Roll and sew about 8-12" of hem along the edge at a time and you won't even notice that you are sewing a cat curve.
    10. When I got near the corners I sewed gross grain ribbon wrapped over the edge with a loop hanging off the ends. It's the same method used on my GG 9X9 camp "Neo Tarp". Some bar tacking is used with the ribbon.

    Side View http://www.hammockforums.net/gallery....php?i=280&c=4
    End View http://www.hammockforums.net/gallery....php?i=281&c=4
    Corner Detail http://www.hammockforums.net/gallery....php?i=282&c=4
    Stoikurt
    "Work to Live...Don't Live to Work!"

  2. #2
    slowhike's Avatar
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    looking good! & good instruction.
    i'll go back to this later when i get ready to try a cat curve tarp.
    what was the board you used for a template made of... wood, cardboard?
    don`t leave the CREATOR out of the creation!

  3. #3
    Senior Member headchange4u's Avatar
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    That's a really nice looking tarp! How does one figure the sag when using the cat curve generator?


    After seeing this I am going to skip making a rectangular tarp and go for the cat. cut.

  4. #4
    Senior Member stoikurt's Avatar
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    Quote Originally Posted by slowhike View Post
    looking good! & good instruction.
    i'll go back to this later when i get ready to try a cat curve tarp.
    what was the board you used for a template made of... wood, cardboard?
    The template I used was a 1X6 I had laying around but you could easily use cardboard. I drew perpendicular lines every 2 inches. From the straight edge on the template draw a line all the way at the width of your total desired sag. From that line use an engineers scale to mark the depth of sag at each interval. Use the scale edge to connect the dots and cut it out.
    Stoikurt
    "Work to Live...Don't Live to Work!"

  5. #5
    Senior Member stoikurt's Avatar
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    Quote Originally Posted by headchange4u View Post
    That's a really nice looking tarp! How does one figure the sag when using the cat curve generator?


    After seeing this I am going to skip making a rectangular tarp and go for the cat. cut.
    On the generator program you have to input the total straight line length and the sag distance, both in inches. So, you have to determine how much sag (or curve depth) your want
    Stoikurt
    "Work to Live...Don't Live to Work!"

  6. #6
    neo's Avatar
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    Thumbs up

    wow,excellent job,looks pretty professional to me neo

  7. #7
    Senior Member Perkolady's Avatar
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    Very good, Stoikurt !
    (Where is the smiley with the applauding hands when you need one?)

    This is inspiring me !

    So, lemme see if I get this straight... the deeper the curves, the taughter the tarp?


    Perkolady

  8. #8
    Senior Member blackbishop351's Avatar
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    Wow....looks better than mine...
    "Physics is the only true science. All else is stamp collecting." - J. J. Thompson

  9. #9
    Senior Member FanaticFringer's Avatar
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    Quote Originally Posted by blackbishop351 View Post
    Wow....looks better than mine...
    It better not.
    "Every day above ground is a good day"

  10. #10
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    Looks good. A tarp is the one project that I can't get to turn out right. I have started 2 and had to give up on each one for different reasons. One of these days I will figure it out.
    Is that too much to ask? Girls with frikkin' lasers on their heads?
    The hanger formly known as "hammock engineer".

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