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Stretchy cords for tarps in high winds?
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Justin Baker
(justin_baker) - F

Locale: Santa Rosa, CA
Stretchy cords for tarps in high winds? on 09/14/2012 14:55:57 MDT Print View

I remember reading about people using cords with stretch in them for their tarps. They are supposed to prevent your tarp from ripping in high winds letting the tarp have some give.

Do you know what I am talking about? Is there some product out there like this?

Anthony Britner
(ant89) - F - M

Locale: North Wales, UK
Re: Stretchy cords for tarps in high winds? on 09/14/2012 15:03:46 MDT Print View

Shockcord.

example*
http://www.questoutfitters.com/narrow_roll_goods.htm#ELASTIC CORD & SHOCK CORD

*Other retailers availible.

Nico .
(NickB) - MLife

Locale: Los Padres National Forest
MYOG guyline tensioners on 09/14/2012 15:10:37 MDT Print View

A little heavy but they work well. They can pull pretty strong. Also help for silnylon sag overnight.

http://www.backpackinglight.com/cgi-bin/backpackinglight/forums/thread_display.html?forum_thread_id=19526

Justin Baker
(justin_baker) - F

Locale: Santa Rosa, CA
Re: Stretchy cords for tarps in high winds? on 09/14/2012 15:20:03 MDT Print View

"Shock Cord" was the word I was looking for. Thanks!

Ryan Nakahara
(kife42) - F

Locale: Hawaii
in high winds on 09/14/2012 15:59:06 MDT Print View

I haven't tried shock cord, or the other elastic methods, but wouldn't it cause the tarp to flap more? I would think it would be more noisy in the wind, cause the tarp to hit you at night, allow more wind to get in, more condensation raining on you, etc.

Ken Thompson
(kthompson) - MLife

Locale: Behind the Redwood Curtain
Re: Guyline tensioners on 09/14/2012 16:08:06 MDT Print View

http://www.backpackinglight.com/cgi-bin/backpackinglight/forums/thread_display.html?forum_thread_id=19526

Justin Baker
(justin_baker) - F

Locale: Santa Rosa, CA
Re: in high winds on 09/14/2012 17:22:45 MDT Print View

My plan was to attach a small length of shock cord to my regular cord. Hopefully I can get a knot to hold with that. A full length of shock cord would be overkill.
With a little bit of shock cord it would flex a bit, but it wouldn't be smacking you in the face. In crazy wind I think it would be a lot better than having your tarp tie outs rip on you.
If I wasn't dealing with high winds I wouldn't use them.

Edited by justin_baker on 09/14/2012 17:23:50 MDT.

Jason Elsworth
(jephoto) - M

Locale: New Zealand
Stretchy cords for tarps in high winds? on 09/14/2012 17:23:33 MDT Print View

Ron at MLD recommends some shock cord between the tie out and the guy line on side panel tie outs. I am considering getting a Hexamid and this is something I would probably do on some of the tie outs.

Ken Thompson
(kthompson) - MLife

Locale: Behind the Redwood Curtain
Re: Stretchy cords for tarps in high winds? on 09/14/2012 17:29:07 MDT Print View

Two words.

projectile stake.

Vince Contreras
(pillowthread) - F

Locale: like, in my head???
Shock-Cord FTW! on 09/14/2012 17:44:29 MDT Print View

I do this with the tie-outs on my ID SilWing. I just tie little loops of 1/4" shock-cord into the tarp tie-outs using Zeppelin Bends, then tie my guy line to that. This keeps the length of the (relatively) heavy shock-cord to a minimum, while providing double the tension strength of a single length of cord. The Zepplin Bends keep the forces pretty well in line with the cord. This has worked very well for me for a couple of years now...

Katharina ....
(Kat_P) - MLife

Locale: Pacific Coast
JRB on 09/14/2012 17:50:29 MDT Print View

I have made my own with a length of shock cord but I much prefer the tie outs with JRB's tensioners. Worked well even in cold.

Franco Darioli
(Franco) - M

Locale: Melbourne
Stretchy cords for tarps in high winds? on 09/14/2012 18:17:23 MDT Print View

I installed shock cords on my Contrail but after several trips I went back to the non stretch TripTease because I can get a better set up with those.
Re-tensioning when the silnylon expands is not a problem for me but shock cords may help the ones for whom it is.
Franco

Justin Baker
(justin_baker) - F

Locale: Santa Rosa, CA
Re: Re: Stretchy cords for tarps in high winds? on 09/14/2012 22:11:56 MDT Print View

So, filing down stakes to a sharp point for better ground penetration isn't a good idea Ken?

Ken Thompson
(kthompson) - MLife

Locale: Behind the Redwood Curtain
Re: Stretchy cords for tarps in high winds? on 09/14/2012 22:21:14 MDT Print View

Well if they stick in you, you'll know where they are. At least paint those heads orange so you can see them. I'll set up out of range from you in a couple of weeks.

Travis Glynn
(cmich) - F
Shockcord/Spinnshelter on 09/14/2012 23:57:04 MDT Print View

I tried this once upon a time... I attached a short (3-4") piece of shock cord to the end of my guylines on my spinnshelter. What I found out was that it was extremely difficult if not impossible to get a nice taut pitch. You simply could not get proper tension on the guylines due to the give in the shock cord. By the time you actually achieved proper tension and a taut pitch the shock cord was stretched to its maximum and acted no different than solid cordage. I ditched the idea very quickly. Personally I would rather have my tarp taut like a drum and cutting the wind than having the shockcord allowing excessive flapping and potential rippage.

John Donewar
(Newton) - MLife

Locale: Southeastern Louisiana
Re: Stretchy cords for tarps in high winds? on 09/15/2012 05:41:00 MDT Print View

Hi Justin,

I posted a picture and a description of how to use shockcord on your tarp guylines in that thread Ken posted the URL for earlier in this thread.

It looks like this...

Safety line and shockcord arrangement

...and works in this way. Stake out your tarp guyline as you would normally but stretch the shockcord out as you do until you are pulling the guyline itself taut. The shockcord will take up the slack when and if your tarp begins to sag due to moisture, rain etc.

"They are supposed to prevent your tarp from ripping in high winds letting the tarp have some give".

I don't remember ever hearing of this as a reason for using these types of guyline tensioners. ;-?

Ken mentioned two words, "projectile stake".

If there are large enough rocks available lay one over each of you stakes or on your guylines just in front of your stakes. You don't want to wind up looking like this guy.

Flying stakes sink hikes

As far as the high winds go, are you taking advantage of any natural windbreaks? Think leeward and windward sides of a peak, etc. Are you pitching the foot end of your tarp low and pointed into the prevailing wind direction?

Party On,

Newton

Ken Thompson
(kthompson) - MLife

Locale: Behind the Redwood Curtain
Re: Stretchy cords for tarps in high winds? on 09/15/2012 08:05:03 MDT Print View

Pinhead huh? This is what I had in mind.

11d7

Jake D
(JakeDatc) - F

Locale: Bristol,RI
Re: Re: Stretchy cords for tarps in high winds? on 09/15/2012 08:07:46 MDT Print View

Stake catapult/trebuche new GGG activity?

Ken Thompson
(kthompson) - MLife

Locale: Behind the Redwood Curtain
Re: Stretchy cords for tarps in high winds? on 09/15/2012 08:10:25 MDT Print View

Accuracy or distance?

Jake D
(JakeDatc) - F

Locale: Bristol,RI
Re: Re: Stretchy cords for tarps in high winds? on 09/15/2012 08:22:01 MDT Print View

.... yes