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So metal isn't like rope? If someone told me "½ polyester double braid" I could tell them off the top of my head "somewhere around 10,000 pounds" regardless of who made it, what TYPE of polyester they used, etc. I hate when the world is hard! 😆 love nick

I THINK so, too. But would love to know at what size wood I should upgrade to 6x6 love nick

Snap. That's a good price. love nick

Exactly! So we're good to go! I'll tell him to get 'er welded up. ��

When I did that he said, "It's called INDUSTRIAL steel. You can google it." Gee thanks. I'll ask him where he gets the metal from and ask them. That was a total hypothetical. This particular prob will be just over 6ft long. This particular one is on concrete. I've installed smaller...

When I did that he said, "It's called INDUSTRIAL steel. You can google it." Gee thanks. I'll ask him where he gets the metal from and ask them. That was a total hypothetical. This particular prob will be just over 6ft long. This particular one is on concrete. I've installed smaller...

I'm aware. But it can give us an idea what we're working with here. If the realm is 133,000 pounds and I've estimated 3,000 pounds of load, then the difference of square vs round is irrelevant.

I have estimated the load to be no more than 3,000 pounds. The wood itself based on a log chart, factor in an estimated guess for the branches and foliage, then I doubled it for force from the wind.

I just found this little calculator thing online. You put in the tube diameter and wall thickness, it tells you the strength. Can this be right? 133,000 pounds?

That shows deflection. Not actual compression strength....

Well you guys are operating the way I'm operating...."that oughtta hold 'er!" But there IS a limit of what the metal can hold. You take a big tree, add some dynamic multipliers for when the wind picks up, and eventually the metal would crush. Also, we have to take into account the height of...

So I've been having a welder make us up these little props. I think we got the design down pretty solid: They basically take a piece of square tubing (usually 4x4), weld a plate on the bottom to be the base, weld a plate on the top to be cap, drill a hole in the middle of the cap, weld a...