Results 1 to 5 of 5
  1. #1
    New Member
    Join Date
    Nov 2011
    Location
    Singapore
    Posts
    2

    Tarp Reinforcements & Fabric Grain/Bias

    Hey guys, firstly I want to express my appreciation for all the guides and countless helpful threads that have made it so easy for a beginner like me to make my first gathered end hammock.

    I'm currently working on my first 8x10 rectangle tarp and had some thoughts while making reinforcements for the tie/guy-outs. I've gone through quite a few tarp making guides and haven't seen one that mentions the importance of making reinforcements that correlate to fabric bias and stress resulting from the tie-outs (or maybe I just haven't read enough!)

    Now I saw that Spock made reference to what he called "outboard reinforcement" in this thread: http://www.hammockforums.net/forum/s...98&postcount=4, which is exactly what I'm referring to, but I just wanted to know if this is just common sense (i.e. everybody takes fabric bias into consideration) or whether it is that important at all.

    Perhaps this is something important to note when making triangle reinforcements by cutting squares in half as well?

    For more info on fabric grain/bias, check out this page: http://sewing.about.com/od/beginner1/p/fabricgrain.htm

    Thoughts? Experiences?

    Thanks,
    Moses

  2. #2
    Redoleary's Avatar
    Join Date
    Feb 2009
    Location
    Pennfield Twp, MI
    Hammock
    DIY gathered end
    Tarp
    Hinterland gear
    Insulation
    down bag
    Suspension
    strap & E.T.'s
    Posts
    3,183
    Images
    69
    My preference would be to have the patches match the weave of the fabric.
    Good luck,
    RED

    My Youtube Channel

    Deep peace of the running wave to you.
    Deep peace of the flowing air to you.
    Deep peace of the quiet earth to you.
    Deep peace of the shining stars to you.
    Deep peace without end to you.
    adapted from - ancient gaelic runes

  3. #3
    AaronAlso's Avatar
    Join Date
    Feb 2011
    Location
    Indiana
    Hammock
    WBBB 1.7DL
    Tarp
    HG CF 4s
    Insulation
    Shamu & RAB
    Suspension
    All in One whoopie
    Posts
    709
    Images
    16
    Quote Originally Posted by Redoleary View Post
    My preference would be to have the patches match the weave of the fabric.
    But, on a corner tie-out the stress is running against the grain of the tarp fabric. So, a corner tie-out should have a reinforcement piece that is unbias to the direction of force.

    Does that even make sense?

  4. #4
    Ramblinrev's Avatar
    Join Date
    Apr 2008
    Location
    Milton, PA
    Hammock
    Hennessey Explorer Ultralight
    Tarp
    Hennessey Hex
    Insulation
    HH Super Shelter
    Suspension
    ring buckle
    Posts
    7,299
    Images
    101
    Bias is an issue mostly when the pieces are large, or they have movement/slippage built into them. With the reinforcement triangles on a tarp corner the triangle is usually stitched most of the way around and then stitched through where the webbing is attached. IMO bias is not a key issue in that application. I haven't been concerned with the bias or grain on those pieces.
    I may be slow... But I sure am gimpy.

    "Bless you child, when you set out to thread a needle don't hold the thread still and fetch the needle up to it; hold the needle still and poke the thread at it; that's the way a woman most always does, but a man always does t'other way."
    Mrs. Loftus to Huck Finn

    We Don't Sew... We Make Gear! video series

    Important thread injector guidelines especially for Newbies

    Bobbin Tension - A Personal Viewpoint

  5. #5
    Redoleary's Avatar
    Join Date
    Feb 2009
    Location
    Pennfield Twp, MI
    Hammock
    DIY gathered end
    Tarp
    Hinterland gear
    Insulation
    down bag
    Suspension
    strap & E.T.'s
    Posts
    3,183
    Images
    69
    Quote Originally Posted by AaronAlso View Post
    But, on a corner tie-out the stress is running against the grain of the tarp fabric. So, a corner tie-out should have a reinforcement piece that is unbias to the direction of force.

    Does that even make sense?
    I understand what you're saying, and it would likely be fine, I really don't know. My preference is based on a sail corner reinforcement patch, where convention dictates to make the patch to have the same weave orientation as the part of the sail its being sewn to.
    Good luck,
    RED

    My Youtube Channel

    Deep peace of the running wave to you.
    Deep peace of the flowing air to you.
    Deep peace of the quiet earth to you.
    Deep peace of the shining stars to you.
    Deep peace without end to you.
    adapted from - ancient gaelic runes

Bookmarks

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •