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Standalone Slackline Structure

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Picture of Standalone Slackline Structure
This structure allows you to set up a slackline without using trees, poles, or A-frames. It's very easy to build!


I suggest reading through this Instructable for ideas and then making improvements wherever you see fit. I'm definitely not a pro :)

 
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Step 1: The nuts and bolts

There's not much to it. If you want to copy my design, you'll need:

8'-foot 2x4s (x9)
6" long ½" bolts (x12) with nuts (x12) and washers (x24)
Simpson Strongtie End Post Cap LCE4 (x4)
Simpson Strongtie Tie Plate (x8)
Simpson Strongtie Shelf Bracket CF-R (x2)
Nails for Strongties
3" Wood screws
A hammer, drill, and saw.

Step 2: Build the end posts

Picture of Build the end posts
truss2.jpg
For both end posts, I used:
  1. 4ft-pieces of lumber (x2)
  2. 2ft pieces with 45-degree angled ends (x6)
  3. 3ft pieces (x4)
In retrospect, the 3ft pieces should have been at least 6ft.

Take a look at the photos to see how it all fits together.

Step 3: Drill holes and assemble

I think the easiest way to drill the holes is to line up your lumber and clamp it together, then drill through multiple 2x4s at one time. Even if your measurements aren't perfect or the holes are askew, at least the bolt will fit through smoothly, which is what's important. I discovered this technique halfway through construction, so some of my beams did not line up perfectly.

When you're finished drilling, keep the clamps in place and insert the bolts. Be sure to use washers on both ends of the bolt. I used a mallet to pound the bolts in, which helped speed up the process.

If you need to take the bolts out, don't make my mistake of hammering them out from the threaded end - I ended up ruining several bolts by hammering the threads away, making it impossible to screw the nut on.

View the photos to see where I drilled the holes.
ckraske2 months ago
Love it thanks
tqwerty2 years ago
Great idea!
Although I would be concerned about being injured on the beam or on the beam's protruding screws...
WYE_Lance (author)  tqwerty1 year ago
Yes, the bolts are a bit of a hazard, especially because some of the bolts I selected are an inch too long (7" instead of 6"). This isn't a good setup to learn slacklining, but it's wonderful for people like me who enjoy slacklining but don't have any other way to set it up.
Jayefuu1 year ago
Ha. How did I miss this when you published it? Doesn't beat two trees, but if you don't have two trees, this is great! Didn't know you slacklined lance, love the slow-mo shots!

J
WYE_Lance (author)  Jayefuu1 year ago
Thanks! Glad you liked the slowmo shot - I thought it may have been a little too 'show-off-ish.' I'd rather have two trees also, but alas my yard lacks that. And besides, this way I get to play with power tools and enter the wood contest :)
Mr. E Meat2 years ago
I think I might adapt this for an indoor hammock stand!
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