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:popcorn:

I do a 500’ zip line between trucks in the dunes. Engineer told me 1/2” cable.

I took it to mean burning the debris.

I took it to mean that Sean is playing with fire re getting a chipper on site via rigged up skyline

How steep of a run are you talking about? Guy the support trees. IMO I would think a simple high line and a haul back would do it. Slack the high line and use that to raise the chipper and the haul back as the descent line and retrieval line. Mini pulling it up hill if you have the run.

It happens again...B is the lost old man not getting a reference. Mick is too clever for me :D.

Orrrr...just use big as hell rigging and hope for the best :D. Usually works :|:. :P

You need a number for line tension to suspend the load, which depends on the weight and the angle of the line. After you have that you need the angle at each end point and you can calculate the component vectors from the known resultant vector.

Prune rest of perimeter of tree to maintain overall size/balance? Thanks

The plot thickens. Will the unhealed heavy cuts heal over? I assume they were cut too close and too large. I seem to recall reading that the healing tissue can be trimmed back slightly to encourage it to keep growing and completely compartmentalize?

Maybe move the chipper on a smooth bottomed skid of some sort...like a small jon boat? Or a purpose-built plywood sled?

Small thinning cuts (to the origin of the removed branch from the 'parent' branch for a few feet of clearance from the house. Branch collar cut via 3-point pruning cut method. Hand saw. Check for oak wilt season. Lysol spray for sterilizing, if desired.

I need someone with some good math (or the Google) to calculate lateral loads. I think that with two people with intercoms with two power sources for tensioning, it should go well. As a starting point, I hope to just move the chipper cross-country, maybe with some MA or pull rope on a...

Shouldn't be toooo hard. I'd go with the rope, myself. Lots of rigging to set it up...and you'd need some strong pull available to both lift the skyline after the load is attached and to retrieve it back uphill. A bit tricky to keep the load fixed under the carriage as the skyline is hoisted...

I’m not much of a pruner and don’t have my copy of FGTW. :-)

Today I cut down an ash tree that is infested with Chalara fraxinea. Ash drying affects trunks, branches and leaves, causing bark necrosis and premature drying of tree tops. The disease is spread through planting plants, seeds and wood of the genus Fraxinus sp. I have a new trophy.

Not sure on nomenclature. Thoughts on wire rope or 5/8" stable braid as a skyline. If like to move the chipper about 75' across the forest. Tall trees are around. Headed downhill to work site, then back up to the road at the end. I could probably reduce the weight by 100 pounds by detaching...