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hmm interesting.. maybe its a regional difference, I've never seen one that was a T.

either way, I ordered some metal to experiment with. should be here in a week. then the real fun begins :)

the "T" bar posts aren't actually an extruded T. they are called that because of the metal peice on the bottom that acts as a foot hold to push them into the ground. the profile shape of the garden...

i knew i saw it somewhere...

some lube never hurt either ;)

following that formula the .75 od .62 id round 7075 tube 84" long would have a buckling strength of 126 lb. not including safety margin.

a 1" od tube would be 250 lb

figuring it the area moment...

got any formulas for square not round tubing? I'm a bit rusty with this stuff since my job hasn't required calculations for years.

there are other things that will greatly increase buckling...

lets take for a minute some hypotheticals.

aluminum tubing made from a common alloy used for outdoor purposes due to corrosion resistance. 2024

its compression strength is rated at 60,900psi. ...

if the hammock line and tie out line(s) are attacked at the same point and the pole is straight the chances of buckling are minimized. then its just a matter of material strength.

I think it was...

i skimmed the second page but i didn't see any mention so far. Was there an original assumption that the pole had to be vertical? if you angle the top of the pole away from the hammack you will...