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This is an Instructable on how to make a rocking hammock stand to recreate the sensation of floating on a long-tail boat in the Pacific. You will need

2 - 20' long, 2" x 1.5" steel tube with a wall thickness of at least .12"

1 - 3' x 4' sheet of steel .06" thick

A tube rolling machine to bend the tube

A shear to cut the sheet metal

A punch to cut holes in the sheet metal

A MiG welding machine to weld the tubes and sheet metal

A hammock (with rope)

Step 1: Bending the Tube

Use a tube roller to bend the 2 tubes until the ends are 14' apart.

Great design, skipped the triangular plates instead using a piece welded to the inside to hang the hammock from.
I bet, with a bit more structural support, this could be achieved with pvc pipe. Great hammock stand!
<p>&quot;a tube rolling machine&quot;....I'm thinking that's like a lot of these that start with CNC plasma cutter, laser wood cutter, 3X4 foot printer for layout...... But I am now thinking maybe steam bent laminated wood with cross braces! Great idea!</p>
<p>A see what you've done...First I thought &quot;Tube rolling machine&quot; ...not for me thank you ....but now you've gone and mentioned bent wood and I'm thinking well okay I can do that...which just increases my projects to do list..hehehe</p>
<p>I was thinking large diameter bamboo. Apparently you can bend it by heating with a blowtorch. http://www.architerials.com/2011/12/qa-special-how-to-bend-bamboo/</p>
<p>Can you make a giant hamster wheel but for people?That would be so much better than a treadmill.</p>
<p>hammock != treadmill</p><p>but yeh, its been done: </p><p>https://thesociaholic.files.wordpress.com/2012/09/img_0375.jpg</p>
That's not a giant hamster wheel. Is there an article that goes along with that? I'd be interested to read it to see what that is all about though. The rocking hammock is cool.
<p>Dude, you gotta add a video of it in use! So cool.</p>
<p>This looks like so much fun to be inside.</p>
<p>can we use wood instead of metal ?</p>
<p>Very cool! </p><p>Do you think the rockers will tend to splay out a bit over time with use, or is the frame super rigid as is? </p>
<p>The weight of the person in the hammock bends the frame inwards slightly. It hasn't been a problem structurally, but because there is some flex, the rocking motion can be a bit bouncy. To remove the flex, you could weld cross beams chords across the bottom or use a thicker wall thickness. </p>

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