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Looking at stumps made by other people is definitely an eye opener. A lot of WTF stumps out there...

The amount of angled back cuts I see is incredible.
Ive seen some questionable stumps on some of our job sites. The one the boys refer to as a "farmer's cut" is a back cut angled down aggressively towards the hinge. I'll snap a photo next time I see one
 
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Hard to see it right from this angle, just snapped this one quick at a jobsite today. The customer had taken care of some trees he was comfortable felling himself. It appears to be 2 angled cuts opposite eachother, half way through so they meet in the middle. I have no idea how this was to be directed for felling
 
Double cut with the 881, 42" bar, tight shot (~95ft spread in a ~100ft gap)
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I just got called back 2 years later to come help move the logs to the road so they can crane them onto a lowboy to haul to a mill multiple hours away, they already sent a crane and a semi out to move them and the semi couldn't get to them, the logs are approximately 28000 pounds and need pulled a few hundred feet to the road


I have a feeling this will involve a heavy wrecker or a d6 dozer rental for a day, worst part is we have to cross a road with them because the crane cant pick them from the street due to power lines
 
Not much for most of you guys and this was easiest one to drop,I had 3 trees up against barn that had twisted over top of barn,I cut other 2 couple weeks ago then we had that lovely ks breeze that blows 20-40 + mph tonight just at dark breeze stopped so I knocked down last tree,it's roughly 2 foot at stump.
 

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Ive seen some questionable stumps on some of our job sites. The one the boys refer to as a "farmer's cut" is a back cut angled down aggressively towards the hinge. I'll snap a photo next time I see one
So if you still get a good hinge is there any problem with an angled back cut?
 
Finally got around to dragging the stumps off the field I couldn’t move with my skiddy. This one made the 150hp tractor scratch a bit !
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I dropped a trailer off at my sisters place and saw this in the side yard. I asked her if they had beavers and she shook her head and said “Andy got a new axe again and had to try it out”. I wonder how long this took him 😂
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So if you still get a good hinge is there any problem with an angled back cut?
-Angled back cuts reduce/eliminate the effectiveness of wedges.
-It's much harder to determine where to start your cut in order to achieve proper intersection with the face cut.
-If you do miss (which is likely) and cut through the holding wood, it's more likely to jump off the stump and fall unpredictably. Especially with a Humboldt face cut.
-Could potentially cause a tree with a head lean to barber chair as you have to cut more wood to achieve the same thickness of hinge...meaning the tree may leave before you want it to potentially exacerbating barber chair issues.
-A back leaning tree or tree that sits back against an angled back cut puts more cross grain shearing force on the hinge wood in it's weak direction and could cause the hinge to break where it wouldn't on a flat back cut where the force would be more tension across the whole hinge wood instead of shear.


Angled back cuts have no actual benefit and numerous drawbacks. The 'reasons' I've heard for using them are that they prevent the tree from going the wrong way and it prevents the trunk from jumping backwards off the stump if it hits something before hitting the ground. That little bit of angle on the back cut isn't going to keep a back leaner from going backwards...ever that's just a ridiculous lack of physics knowledge. Keeping a stem from jumping off backwards upon hitting another tree isn't a problem with proper cutting technique. So both of those reasons are invalid.

So in conclusion, it's never advisable to use an angled back cut. Even if you do it perfectly, you're still handcuffing yourself and making your cuts more difficult for no benefit.
 
I finally had enough of this 24"x 40' Red Oak - blossoms all over the place in Spring, acorns and leaves in the Fall. I girdled it last December and finally dropped it Tuesday. It was on a steep grade but had a slight lean to where I wanted it to land - between a fence and a small Maple I wanted to save. Because of the hillside, I could only cut from one side. I notched it and bored it, leaving a 2' hinge and 2" strap on the back and drove in two wedges. Then because my escape route was somewhat limited, I used an 8' pole saw to cut the back strap. It went down exactly where I wanted it.
 

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