About to add tieouts to a silnylon tarp. What are the advantages or disadvantages of sandwhiching the tarp between two layers of grosgrain versus folding the grosgrain and sewing it on the surface of the tarp. These will be on the corners and the ridgeline.
I folded mine and put them on top. don't really know any disadvantage either way. I am thinking both work but lets see if more seasoned DIY'ers chime in.
Shug
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I'm in the sandwich school. It seems to me that when the tie-out is under tension then the pull is more evenly distributed, there's no "angle" to the force, which we all learned in Hammocking 101 with respect to suspension lines increases the force. The pull on where the lower and upper threads interlock remains on the grosgrain on both sides, so there is less pulling that might open up a hole in the fabric.
While I think all of the factors about are true, I don't know how significant they are. Might make very little practical difference.
The biggest downside to the sandwich approach is keeping the two sides perfectly lined up as you do the sewing. It's not hard so much as it just requires extra care.
Grizz
(alias ProfessorHammock on youtube)
That's a fact ... one slip of attention and you have the bottom piece taking off on a side road!Originally Posted by GrizzlyAdams
Did a sandwich on the ridge line but folded on the surface for corners and edges ... little variety?
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On the tarp I just finished, I went with the sandwich. My thinking was along what Grizz mentioned above. Who knows for sure if one is better or not.
Why don't you do one end of the ridge line sandwiched and the other not and report back to us (in several years) which one is holding up better.
One disadvantage of the sandwich is that the two areas of attachment overlap, concentrating force; i.e. the force can be distributed over twice the area by not overlapping.
I put one layer of reinforcement fabric on top before I fold or bind the hems. I dont know that one is any better than the other.
If you are overly concerned about making sure the top and bottom line up exactly cut the upper layer to the correct size and the bottom a bit bigger. Pin it all up. Sew through the layers and trim to make everything look nice and pretty.
Edit: Sheesh it might be helpful if I learn to read. For the loops themselves I'm a sandwich guy.
Last edited by Ramblinrev; 05-07-2010 at 14:18.
I may be slow... But I sure am gimpy.
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Sandwich, but I'm debating on my next tarp to put the loops along the hem and spread the grosgain over a longer portion to spread the pull.
Are there any awards for The Best Answer to a DIY Question of the year? This has to be a candidate - reasoned, economical, candid (right down to "don't know how significant they are..."), and practical. Too bad he typed "about" instead of "above"; pefection was oh so close.
WV- my speling skils stoped in the 5th gradee.
As for the answer, well, perhaps the Bard said it best
The answer is but a walking shadow, a poor player
That struts and frets his hour upon the stage
And then is heard no more: it is a tale
Told by an idiot, full of sound and fury,
Signifying nothing.
Grizz
(alias ProfessorHammock on youtube)
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