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Young marri (Corymbia calophylla) with significant weakness due to stem canker lesion (see deformation of stem at approx half height), high leverage point, quite a large crown just waiting to flop onto bedroom below in the first SW storm, which happened few weeks after we got this one out. Not quite enough height for a zipline across house to chipper at front of lot, not that we wanted to lever up the tree any more.

About 40% sound tissue is the minimum I like to climb above with this type of defect, around 25% sound wood once we dissected the weak point on this stem.

View attachment 1629988082213.jpeg
 
I see a lot of discs still getting around on this forum.

Rationale behind this for you guys in the States?

Rare to see a disc still working regularly in many parts of Oz now.
 
or, look at the options on the top of the text box, should see something that says "insert image" when you hover over it, drag and drop the image into that box does the trick as well
 
Young marri (Corymbia calophylla) with significant weakness due to stem canker lesion (see deformation of stem at approx half height), high leverage point, quite a large crown just waiting to flop onto bedroom below in the first SW storm, which happened few weeks after we got this one out. Not quite enough height for a zipline across house to chipper at front of lot, not that we wanted to lever up the tree any more.

About 40% sound tissue is the minimum I like to climb above with this type of defect, around 25% sound wood once we dissected the weak point on this stem.

View attachment 926227
Some pretty common mundane efforts there Rabbit. All kinds of pseudo intellectual blather to accompany it while unable to grasp the simple concept of entering a simple photograph on the forum. "Uhhhh....About 40% sound tissue is what I allow myself to climb above....." Hrrrrumph...blather blather lol. Me likes to wear a top hat and tails or a low cut black evening dress sometimes while operating on Corymbia calophylla....I have safety meetings with my ground personnel on a regular basis to instruct them....558687_436122516482192_1130832002_n.jpg
 

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