Hi. I set up a plank of 25x120mm between two trees. On one hand, the plank seems slightly thin as it easily twists. On the other hand, this is worsened by one of the trees leaning three degrees (considering shimming to get it level), and that there is about 4m between the trees.
Anyone have tips on what dimension I should switch to, a square beam perhaps? Or maybe a different fastening method? I also have a 45x45 beam lying around, and the possibility to add something else. The plank currently in place is fastened with four long wood screws at one end, and at the other end, I've crafted a box that allows the plank to move in the x-direction (horizontally) and slightly in the y-direction.
I will occasionally hang on it myself (90kg), and the kids will want to swing on things.
Best regards
From personal experience, there is a risk that the screws may shear off if the trees sway in the wind. I have secured it to one of the trees with a ratchet strap.
From personal experience, there's a risk that the screws will shear off if the trees sway in the wind.
I've attached it to one tree with a tension strap.
So that's why you should only attach it to one tree. I just did the same as an acquaintance. My creation can also move horizontally at one end.
I'm keen on building a treehouse for the kids but not entirely sure how to attach it to the tree with minimal impact. It's crucial that the tree doesn't suffer.
@David-O how long have you had something attached to the tree? What type of tree and how is it doing?
@Roffe_riff How does it look where you got your inspiration? Same questions as above, that is.
I'm keen on building a treehouse for the kids, but I'm not quite sure how to attach it to the tree with minimal impact. It's critical that the tree doesn't get harmed.
@David-O how long have you had something attached to the tree? What type of tree and how is it doing?
@Roffe_riff How does it look with the one you were inspired by? Same questions as above.
As I described, it also looks like this with the inspirer. However, they use 45x120 lumber, which is significantly more stable. The tree doesn't appear to have been affected by having galvanized screws in it, even though 6-7 years have passed.
About 3 years. With a galvanized French screw in one of the pines.
No impact on the tree.
There have been attachments over the years and the pine doesn't care anyway.
Birches might ooze a little and look unpleasant, but it doesn't affect vitality as far as I've seen.
About 3 years. With a galvanized French screw in one of the pines.
No impact on the tree.
There have been fastenings over the years and the pine doesn't care at all.
Birches can sap a bit and look unattractive, but it doesn't affect their vitality as far as I've seen.
Dimension of the board? Pressure-treated? Load?
Regards
Hi
Thought I would show my home gym that resembles yours.
[link]
I had the opportunity to saw a beam from a trunk and attached it with the longest French screws that Beijer Bygg had for sale.
Seems to hold.
Regards Fredrik
That was an elegant solution. Do the pins go through the trunk and out the other side?
Yep, but they sit from each side, slightly overlapping. It would have been better with through-going, now it's a bit uncomfortable to swing or try to do push ups.
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David-O said:
jonmo said:
