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  1. #21
    Senior Member onfire's Avatar
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    Dec 2013
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    Brecon Beacons, Wales
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    122
    Thanks for posting this - I am going to try a cat cut hammock out of 1.6oz ripstop nylon!

  2. #22
    Senior Member XTrekker's Avatar
    Join Date
    Jun 2012
    Location
    Hampton Roads, Virginia
    Hammock
    DIY - Canoe Hammock
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    Just wanted to add a direct link to downloading the file. See attachments below.

    Xtrekkers_Curve_Generator.xlsx

  3. #23
    Senior Member kayak4water's Avatar
    Join Date
    Apr 2014
    Location
    Western Washingtron
    Hammock
    11 ft. DIY
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    Gimme Doors!
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    HG Incub8r 20
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    hugger+WS,spike
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    170
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    14
    Thanks for posting the Curve Generator. It seems to work well with openoffice software.

  4. #24
    Rockdawg69's Avatar
    Join Date
    Mar 2008
    Location
    South Central TN, Southeast GA
    Hammock
    WBBB 1.1 dbl + TTTG Switchback
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    OES SpinnUL 11x10
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    Nest, Hudson River
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    Whoopies/Stingerz
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    1,597
    Quote Originally Posted by XTrekker View Post
    Just wanted to add a direct link to downloading the file. See attachments below.

    Xtrekkers_Curve_Generator.xlsx
    Thanks. This solved my Google Docs problem. You may see a request for access to the Google doc.
    Rockdawg69
    Rockdawg69

    It's a long way to the top if you want to Rock and Roll ----- those hills!!!

    Professional Prevaricator: Part-time dealer in Yarns, Tales, Half-Truths, & Outright Lies -1st half-hour session at no cost (Lawyers and Doctors excepted).

  5. #25
    New Member
    Join Date
    Sep 2014
    Location
    St.Louis Mo.
    Hammock
    DIY Gathered end
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    in progress
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    in progress
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    Thank you for posting this.It will be extremely helpful when I make my tarp.Also thanks for the great DIY videos on YouTube.

  6. #26
    New Member Matt65's Avatar
    Join Date
    Jan 2011
    Location
    Pinhoti Trail, Alabama
    Hammock
    ENO Doublenest
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    DIY Winter Tarp
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    Incubator, Burrow
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    DIY Whoopies, ASR
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    48
    Helpful tool that I will be using on my next tarp. Thanks for sharing this here.

  7. #27
    New Member
    Join Date
    May 2015
    Location
    Lakewood, CO
    Posts
    1
    I was thinking about this last night as I'm planning to make my first hammock setup real soon. A true catenary results from hanging a string from two points. Any thoughts on the effectiveness of temporarily mounting your fabric to the wall and hanging a string from point A to point B and tracing? Depth is a simple adjustment of the string length. Again, I'm still in the planning stage so I'm not sure how easy it would be. Another thought for quickly developing a parabola is to project a circular light source onto the fabric. The boundary between light and dark should be parabolic.

    This is a little off topic, but can anyone direct me to a location for hammock plans with a complete material list? I've seen some really great tutorials and will likely try to put together a complete list from investigation. I'm trying to avoid multiple online orders and trips to the store. My end goal is a hammock with suspension and bug net, tarp, top quilt and under quilt.

    Thanks!

  8. #28
    Senior Member
    Join Date
    Dec 2014
    Location
    pryor,okla.
    Posts
    610
    To drape your material on the wall would require you to support the fabric in such a way that it was not sagging from any of the hanging points. your idea of using a shadow/ light is interesting- I am going to play around with that.
    Your last request is off topic but look in the forums, under camping hammocks or DIY, to any number of build threads on hammocks. A lot of different options. also all your questions can be more fully answered in the specific related forum. HLFL

    Quote Originally Posted by fltlndr View Post
    I was thinking about this last night as I'm planning to make my first hammock setup real soon. A true catenary results from hanging a string from two points. Any thoughts on the effectiveness of temporarily mounting your fabric to the wall and hanging a string from point A to point B and tracing? Depth is a simple adjustment of the string length. Again, I'm still in the planning stage so I'm not sure how easy it would be. Another thought for quickly developing a parabola is to project a circular light source onto the fabric. The boundary between light and dark should be parabolic.

    This is a little off topic, but can anyone direct me to a location for hammock plans with a complete material list? I've seen some really great tutorials and will likely try to put together a complete list from investigation. I'm trying to avoid multiple online orders and trips to the store. My end goal is a hammock with suspension and bug net, tarp, top quilt and under quilt.

    Thanks!

  9. #29
    Senior Member Boston's Avatar
    Join Date
    Sep 2012
    Location
    Georgetown, KY
    Hammock
    DIY w/ Net
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    You're better off making a posterboard or cardboard template. That way you only need to use the string once, and its easy to trace as many times as you need to.

  10. #30
    New Member compman2's Avatar
    Join Date
    Dec 2010
    Location
    Harrisonburg VA
    Hammock
    DIY Knotty Stretchside
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    OES Standard, DIY
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    18
    I recently wanted to make a tarp with catenary cut so I downloaded your spreadsheet to get the curve values. Before building I plotted the curve in a CAD program. I also compared it to a pure arc as drawn in CAD. Much to my surprise the straight arc and the catenary curve varied by only hundreths of an inch at the plot points. The reason the two are so closely matched is the relatively shallow cut used when making tarps. A much deeper cut would then have the catenary curve and arc significantly deviate.

    I chose to use 5.75 inch cut over a length of 80 inches. I then used CAD to generate full sized templated that could be printed out and then taped together to get a full scale curve. I attached it to 1/4" plywood and cut a full size template that I used to make the tarp. You could also use cardboard. The cool thing about this template is that you can use any section of the template for the shorter cuts on the tarp.

    I have attached multiple pdf files with different cut depths over different lengths. These can be printed on regular sized paper and then taped together to form a full sized template. One of these templates should work for almost any tarp. Hopefully this will save someone the trouble of createing their own.

    You can view my final result in this post http://www.hammockforums.net/forum/s...47-My-DIY-Tarp
    Attached Files Attached Files
    Last edited by compman2; 11-11-2015 at 11:27.

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