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Metalworking (rec.crafts.metalworking) Discuss various aspects of working with metal, such as machining, welding, metal joining, screwing, casting, hardening/tempering, blacksmithing/forging, spinning and hammer work, sheet metal work. |
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Attaching light fixtures to trees....
On Fri, 22 Oct 2010 19:22:41 -0400, "Steve W."
wrote: Beryl wrote: Existential Angst wrote: Awl -- A sodium lamp fixture, 10# or so. I see two options: screw right into the tree (SS deck screws?), or big hose clamps (or threaded-rod/plate equiv) around the tree. Both can impact the tree, it seems. Mebbe a hoseclamp with springs, for tree growth? That's a pita, tho. Would be about 20 ft up, on the trunk, not a branch. I would would proly put the weatherproof box to a long-ish board or alum strip/bar, and attach that to the tree, for torque issues. The trunk would be about 10"-12" in diameter at that height. How deep can one screw into a tree without doing harm? The ones I put up are lagged in place with 4 stainless lags each. They are headless lags with machine threads on one end and lag screw on the other. Drilled a pilot hole and screwed them in about 4" and left about 4" sticking out. To them I mounted a nice piece of stainless plate and the light was mounted to that. Nice and solid and there is space for the tree to grow. Now I am just waiting for a new tree to grow out in the middle of the yard so I can mount a light there... May be a while! Ah reckon so. Um, why do yo uwant a light in the middle of your yard? Won't house-mounted spots work? -- I am an old man, but in many senses a very young man. And this is what I want you to be, young, young all your life. -- Pablo Casals |
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