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slackline set up on the beach
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spokewrench


May 18, 2006, 7:09 AM
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slackline set up on the beach
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i want to set up a slackline when i go on vacation, if our rental house is near the peer i figure i can set up there no problem, but has any one got any ideas on ow i can set up and anchor otherwise in just plain sand?


anykineclimb


May 18, 2006, 7:16 AM
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Dig a hole.
get a duffel bag and fill with sand.
wrap rope around bag
drop bag in hole
bury bag


microbarn


May 18, 2006, 7:45 AM
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sounds like a HARD problem to solve. Only suggestion I can come up with is to use the volleyball court poles.


spokewrench


May 18, 2006, 9:43 AM
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yeah this is going to be tuff, but i have to figure this out by late august when the trip is... im just hoping to be close to the pier so i can use the supports.
i think that would be a lot of volley ball polls microbarn! but maybe thats what it'll wind up taking


microbarn


May 18, 2006, 10:15 AM
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no no, it would be 2 volleyball poles total

Sometimes beaches have permanent v-ball courts.


veganboyjosh


May 18, 2006, 10:26 AM
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i've heard of this method, but never used it. apparently it works quite well.

you'll need:
8 rubbermaid trash cans. the 30-40 gallon kind.
2 wooden pallets.
some aframes.
some 5 gallon buckets.
some friends to help you.


tie one end of the webbing one pallet, and the anchor/tightening setup to the other pallet. space the pallets so that you can get the a-frames under the line in the place where they need to be.
put the pallets flat on the sand.
place the large rubbermaid cans on the pallets.
fill them with water, using the 5 gallon buckets and friends.
tighten your slackline.
as you tighten it, the tension will pull the pallets towards each other, but after a few inches, they'll have "buried" themselves into the sand, and will be solid. especially with the 2000 pounds of water on the anchors.

slackline to your heart's content. amaze the tourists. piss off the lifeguards when you attract all the hotties over to where you are.

when you're done, just dump over the trash barrels, and carry them away.




feel free to adapt this method, or it's ingredients to suit your situation. i would guess that anchoring to a pier--as long as it's a big one with big burly pilons, etc--would be ok for one end, and then use this on the other, etc...


rockclimber23


May 18, 2006, 12:07 PM
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Re: slackline set up on the beach [In reply to]
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I really like that trash can idea...

GENIUS GENIUS GENIUS!


TIM


caughtinside


May 18, 2006, 2:07 PM
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So taking 8 trashcans and 2 pallets to the beach is genius now?

If you say so! :P


can_climber


May 18, 2006, 3:32 PM
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tripods.

Buskers use them all the time to setup slacklines in the middle of the street. All you need is an anchor...hmmm. Like a duffel bag full of sand!


veganboyjosh


May 18, 2006, 3:47 PM
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the duffel bag ain't a bad idea... just use one you don't mind being sandy. it packs down much smaller than the pallets and trash cans. problem is it requires digging.


anykineclimb


May 19, 2006, 4:19 AM
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They are called Deadman Anchors and are used in snow all the time.

Sierra Designs (I think) makes litle parachute looking things for use on beaches or rocky terrain where you can't use normal tent stakes.


spokewrench


May 20, 2006, 11:50 AM
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campmor has the deadman anchors 4 for 9.99$ i think im going to spend 20$ on two sets of four and hope that they work magic.


yokese


May 20, 2006, 12:50 PM
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T-anchors using a metal bar and A-frames...

http://student.kuleuven.be/...e/images/Tanchor.jpg


veganboyjosh


May 20, 2006, 6:00 PM
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you know...after thinking about this...

the deadman doesn't have to be a duffel bag. it could be some trash bags or something. the only problem then is the connection between the bags and the line.

i dunno how well a snow anchor would work in sand. perhaps two, forming an x would do it?


chalkfree


May 20, 2006, 7:36 PM
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Jack or Jake braces, I've heard they work, never had the chance to try them...


|-----------------|
|************|
|************|
|.....................|
|\***********/|
|************|
/|************|\

periods are the ground, dashes the line, "|" are 4x4 or big driftwood, and slashes are 2x4's or similar buried perpendicular to the "|". "*" are deadspace that didn't show up for some reason.

I hope that makes sense...

A 2x4 works as a deadman, I've done that. About 3 feet was sufficient.


beyond_gravity


May 22, 2006, 2:51 PM
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Re: slackline set up on the beach [In reply to]
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Driftwood, yo

http://www.rockclimbing.com/...mp.cgi?Detailed=6245



The hole we dug for that piece was about 2 feet deep. The trick is that you need to wiggle the wood around to compact in the sand as you fill it in. It ended up slanting about 20 degree inward, but held no problem. The other end was anchored to a huge log of drifwood.


eric_t83


Jun 4, 2006, 5:21 AM
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In reply to:
no no, it would be 2 volleyball poles total

Sometimes beaches have permanent v-ball courts.

I've actually managed to bend a volleyball pole with my slackline, so I wouldn't recommend that... :oops:


khirsah17


Jul 24, 2006, 12:26 PM
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Re: slackline set up on the beach [In reply to]
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I've been thinking about this problem too, and the present methods involve lots of work, or luck in terms of finding the "material" one would need to set up a good slackline. Sitting at my desk and reading lots of other threads, I'd like to get what your opinion on this one.

Some people who don't have trees in their backyard will use an A-frame/stake combination. What if you adapted this same principle to the beach? Instead of using rebar stakes, use angle brackets. This would increase the surface area that comes into contact with the sand, thus being able to support more tension force. And maybe use like 5 angles, instead of the typical 3 setup, to account for movable sand?

This of course requires you to carry lots of brackets (which are stackable however), and you would need to buy more webbing, but in my mind you could carry all the gear easily in a car. This is all theoretical of course, because beach is not very close to me. What do you guys think? Would staking in the sand ever be a viable option to support the strain of a slackline?


reg


Jul 24, 2006, 12:51 PM
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Re: slackline set up on the beach [In reply to]
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In reply to:
Driftwood, yo

http://www.rockclimbing.com/...mp.cgi?Detailed=6245



It ended up slanting about 20 degree inward, but held no problem. .
put it in with 20deg outward lean - also wasn't it fairly "slack" for a slack line.
i don't think any of the deadmen ideas will work to well cept the cans. you'd have top bury them 4-5 feet down and would work best if the wall of sand (side of hole) they pulled against was undistrubed - just cut enough for tape. how about SUV's or one SUV and a pole/tree/post?


carpdav


May 25, 2007, 6:00 PM
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Re: [reg] slackline set up on the beach [In reply to]
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The re-bar is a great idea,I tried it and I thought it would work but unfortunately it only worked temporarily before it failed.

I was working with a 35ft line, with both anchors at about 3 to 4 feet high. One was a telephone pole (pier), and the other was a wood 'A' frame I made out of 2x4's. 5 re-bar's as the other anchor (at low tie where the sand is firm). The line held briefly before it gave way.

Back to the drawing board:

After doing some more research, I stumbled across a thread that suggested to get a duffel bag, fill it with sand and tie some webbing around it and then bury it.

What I came up with is simple easy and works like a charm but you need 2 'A' frames. When you arrive at the beach, find some drift wood, length doesn't matter but not too long, 2-3 feet long would be good. When I say drift wood I mean a log at least 5 inches in diameter. Dig a hole 4-3 deep or until you hit water, tie your webbing around the drift wood and then bury it.

I made a 85 footer with this method, you can find the photos on the slacklining section on RC.com. I worked fine and when we were ready to leave, I just untied the water knot and called it a day.

good luck!

http://video.google.com/...=6309711295713751960
http://www.rockclimbing.com/...High_Tide_86491.html


(This post was edited by carpdav on May 26, 2007, 9:16 AM)


shermanr6


Jun 17, 2007, 7:47 PM
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Re: [carpdav] slackline set up on the beach [In reply to]
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I had a nice one set up from a 4x6 volleyball pole to the entrance ramp from the boardwalk. It was great until the lifeguards shut us down...


winglessangel


Jun 18, 2007, 11:37 AM
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Re: [spokewrench] slackline set up on the beach [In reply to]
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where are you going for vacation?

Here we use palm trees, on rare ocasions volleyball poles.


Lupin


Jul 3, 2007, 9:16 AM
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I think if you can drive on the beach a SUV or truck in combo with an A-frame. use a pole/dock/pier/tree for one side take the other and and wrap it around a 2x4 that is lying on the ground and run the webbing over the A-frame. drive the SUV/truck over the 2x4 and webbing. The truck acts like stakes if you where anchoring into grass or something. I have seen a few pictures. Only works if you have good clearance on your bumpers. I think it works better if you use the rear tire as you will have a better angle of clearance. I hope that all made sense Cool


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