I've always enjoyed swinging. I want to put a swing in my yard, but I don't want one with a bunch of pipes to mow around. There are no trees with a limb big enough at the right height.
However, there are two good-sized pine trees in a good place, and they're about eight feet apart. I know from experience, that the chains need to be parallel for the swing to move correctly, so I need to have a rigid support between the trees for the chains to hang from.
Since the trees move around a bit in a random manner when the wind blows, the connection between the trees and the support must accommodate some movement. I'm thinking the centers of the trees probably move around at least two inches in every direction at the height where the support needs to be.
The rigid support can be either metal pipe or a wood beam. I can attach stuff to the trees with several stainless steel lag screws.
I don't want the support itself to swing or rotate. All the swing motion will be handled with regular hangers, pendulums, and chains secured to the middle of the beam. See: http://byoplayground.com/hardware.html
So, what should the attachment that goes between the trees and the ends of the support look like?
Roger
However, there are two good-sized pine trees in a good place, and they're about eight feet apart. I know from experience, that the chains need to be parallel for the swing to move correctly, so I need to have a rigid support between the trees for the chains to hang from.
Since the trees move around a bit in a random manner when the wind blows, the connection between the trees and the support must accommodate some movement. I'm thinking the centers of the trees probably move around at least two inches in every direction at the height where the support needs to be.
The rigid support can be either metal pipe or a wood beam. I can attach stuff to the trees with several stainless steel lag screws.
I don't want the support itself to swing or rotate. All the swing motion will be handled with regular hangers, pendulums, and chains secured to the middle of the beam. See: http://byoplayground.com/hardware.html
So, what should the attachment that goes between the trees and the ends of the support look like?
Roger
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