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john1987
Dec 2, 2002, 5:41 PM
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I just started slacklining at the gym a couple days ago and i have been having a lot of fun with it. I want to set one up in my garage but I don't have any posts or anything that would work and I was told you have to attach the ends to something strong. Any suggestions? Thanks.
John
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burz
Dec 2, 2002, 5:57 PM
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Surely your garage walls are constructed of 2 x 4 's or something like that? Buy some large eyes (like what you use for hanging hammocks) and screw them into your support beams. Tie your webbing into them.
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rrrADAM
Dec 2, 2002, 6:08 PM
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Be carefull, as it will generate well over 1,000 lbs of tension, and may cause them to bow in and ruin the wall if it's stucco.
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coldclimb
Dec 2, 2002, 7:05 PM
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Yeah, this puts huge amounts of force on the anchors. I'd suggest building a reinforced support against your wall before using the wall for an anchor. Or maybe even doing it outside, but that's a bit cold on the toes during the winter.
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jamison
Dec 2, 2002, 7:51 PM
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Yeah, I could see a slackline pulling eye-bolts out of wood over time. Probably not immediately, but eventually. Also, the 2x4 probably doesn't stand even a chance.
If you tie a few (maybe three) studs together with some sort of box beam thing you might be fine. Somebody on the site must have some info on this.
Also keep in mind that even if the eye-bolts (screwed into wood) or whatever will hold a 1,000 pounds, someday somebody will be jackassing around. Next thing you know, three people are on the line. Things start shaking, bad stuff happens.
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moeman
Dec 2, 2002, 8:52 PM
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Use two trees insteed. You pt a couple of large eyes into the opposite side of each tree, so that when you thread the rope through you are essentially wrapping it around the tree. this will be much stronger. 1 disadvtage of this- the rope will wear out fast because it is exposed to rain. Also, you can't use it in the rain or cold.
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sparky
Dec 2, 2002, 9:11 PM
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Can't we have a slacklioning forum already?
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john1987
Dec 3, 2002, 1:38 AM
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Does anyone have any info on jamison's idea?
John
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wv5ten
Dec 3, 2002, 1:57 AM
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I second the slacklining forum.
just put it between two trees outside, take it down when your done, they aren't hard to put up
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john1987
Dec 3, 2002, 2:00 AM
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I can't do it outside there is lots of snow on the ground and it's way to cold.
John
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stevematthys
Dec 3, 2002, 2:10 AM
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yea a slack line forum would be really nice
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stevematthys
Dec 3, 2002, 2:10 AM
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yea a slack line forum would be really nice
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no_limit
Dec 3, 2002, 2:12 AM
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WOOHOO, go slacklining forum.
As you can tell, i'm all for it.
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ontario_guide
Dec 3, 2002, 2:15 AM
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I think we need a forum to discuss the need for a slacklining forum.
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lostangel
Dec 3, 2002, 2:58 AM
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I was acually thinking about putting one in my apt. I have cement walls... and if I could just put a bolt on it and attach it to the main beam of the house I would be set... the only problem is that it would go directly though my living room haha and people who didnt know it was there would trip over it, or I would trip over it trying to get to the bathroom
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sparky
Dec 3, 2002, 2:59 AM
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hmmm, a forum to discuss the creation of a forum, i'm for. . .umm. . .it.
I know it was a stupid joke, it is also the most retarded thing i've heard all day, I just had to say it anyway.
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rodeomountain
Dec 3, 2002, 3:02 AM
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You will have to block your wall, meaning, put a 2x6 inbetween 2 2x4s and nail it from the outside in on each side. Put a eye bolt through the center of the 6" section of the 2x6. Place on large washer between the eyebolt and the 2x6 on the front and I would place 2 large washers between the back of the board and the nut. If you want to make it real strong put 2 2x6s bact to back and nail them both between the 2x4s and screw the 2 2x6s together. Do this on both walls and put it low on the wall because that will be the strongest area of the wall.
Does this make since to you or did it just sound like rambling?
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rodeomountain
Dec 3, 2002, 3:09 AM
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lostangle,
The problem you would have with doing that is that the cement would blow out and you would probably get your eyebolt between your eyes or the back of your head. Cement is only strong cause of all the reinforcment it has in it but you can't get that kinda strength by putting an anchor in cement. My edgucated guess would say that the wall would only hold 100 or a little more pounds of outward force before blowing out.
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jamison
Dec 3, 2002, 4:04 AM
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Yup. Concrete is not so good. At least the way I am picturing it. I assume your thinking Hilti bolts or some other type of expansion anchor. The problem is those things work very well in shear, but not so well in tension.
specifically, if you are trying to pull an expansion anchor out of concrete, it has at least two failure possibilities. I'm not sure which is more likely (the concrete fails or the friction of the bolt fails). I doubt that the bolt itself would fail. Now, if you can rig it so the rope is pulling perpendicular to the bolt (just like a bolt on most sport routes) then you might have something.
PS. I think it would hold more force than a 100 lbs. But a 1,000 would probably be pushing it.
BTW, has anyone checked this assumption of 1,000 lbs?? It seems reasonable, but I don't know how much a slack line...well uh, slacks. So I can't really check it.
[ This Message was edited by: jamison on 2002-12-02 20:08 ]
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lostangel
Dec 3, 2002, 4:40 AM
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The thing about my wall is it is acual stone.. the house is over 100 yrs old and I have and apt in the basement. they are large stones about 1ft by 1 1/2 ft (you cant really give a decription about the stone because it is all different and layed with cement.. but your probably right even if I drill into the stone it may blow out, such a bummer.
When I went to a climbing gym last summer I remember they had a slack line, but the thing is it was bolted to their wall and tied off to a railing made of 2x4s now that i set down to think about it I wonder if they knew how "ify" their line was...
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polarwid
Dec 15, 2002, 6:10 AM
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[small]This topic was moved to the Slacklining forum by polarwid[/small]
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john1987
Dec 15, 2002, 9:26 PM
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A slacklining fourm thats awsome im excited
John
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elcapbuzz
Dec 17, 2002, 5:18 AM
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I don't think I'd recomend fixing a slackline on any of your homes framing (although I've done it). Like rrradam said, it will eventually bow the studs.
I've seen slacklines between two vehicles, using two metal sawhorses to raise the line a bit.
I think two stout trees are the best. Don't forget to pad them so to prevent scarring.
Cheers, Ammon
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