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  1. #11
    Platinum Member retiredmgn's Avatar
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    Default Re: Tree Felling danger

    Quote Originally Posted by frischtr View Post
    That's what is called a 'barber-chair'. Certain species of tree with specific grain structures are especially prone to this, ash being one of them. Leaners are even more prone to this, because of the extra stress on the holding wood during the backcut.

    See this thread for a good explanation and some tips: http://www.arboristsite.com/tree-care-videos/177328.htm
    Good vid. Exactly what happened. And I did hesitate on the back cut. It's a habit of mine. I pay alot of attention to the hinge to angle the fall to where I want it. It was when I took a moment to double check my final situation before sawing through. The decision was made for me.
    Nelson
    Central Maine

  2. #12
    Super Star Member brin's Avatar
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    Georgia - Mt. Vernon by The Store just 5 miles east and right by the big oak tree then to the creek.

    Default Re: Tree Felling danger

    Quote Originally Posted by retiredmgn View Post
    Bob, the tree was a 'natural' leaner. It wasn't hung up on any thing. This was the initial cut. I've been known to leave cut leaners alone and let the next big wind bring them down for me. If it falls in the night I really don't care if anyone heard it. Sucker is down and I'm safe.
    OK ..Nelson if it was a natural leaner I am surprised it reacted that way to your cut....sure am glad you came out OK...I am starting to slow down a little on my reflexes so I am super careful on the ones I choose to tackle...I wear a Tshirt that says...inside this old guy is a young guy saying what the heck happened....LOL
    Bob

    WORRYING does not take away tomorrow's TROUBLES, it takes away today's PEACE.


    NH - TC-29 , FEL, Bush hog, Bush hog brand finishing mower, Post hole digger, 6' Back blade, sub-soiler, Pallet forks, 20KW PTO Generator , 21 hp Murray Mower
    JD -3020 with FEL and a 16 HP. K-Grow Lawn Tractor (bought from K Mart 1994) and runs great !
    Clark 130 EN Mig Welder

  3. #13
    Platinum Member retiredmgn's Avatar
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    Default Re: Tree Felling danger

    Quote Originally Posted by brin View Post
    OK ..Nelson if it was a natural leaner I am surprised it reacted that way to your cut....sure am glad you came out OK...I am starting to slow down a little on my reflexes so I am super careful on the ones I choose to tackle...I wear a Tshirt that says...inside this old guy is a young guy saying what the heck happened....LOL
    Yeah I was stretching it a bit with my comment of, "razor quick reflexes". It twernt pretty. It was elbows and a$$holes crawling away from that thing.
    My usual rule is nothing more than 10" diameter but I really need some straight grain ash for fire starting. And it was there.
    Nelson
    Central Maine

  4. #14
    Platinum Member
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    Default Re: Tree Felling danger

    Quote Originally Posted by frischtr View Post
    That's what is called a 'barber-chair'. Certain species of tree with specific grain structures are especially prone to this, ash being one of them. Leaners are even more prone to this, because of the extra stress on the holding wood during the backcut.

    See this thread for a good explanation and some tips: http://www.arboristsite.com/tree-care-videos/177328.htm
    ^^^ This man knows what he is talking about.

    Wrooster

  5. #15
    Super Star Member brin's Avatar
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    Georgia - Mt. Vernon by The Store just 5 miles east and right by the big oak tree then to the creek.

    Default Re: Tree Felling danger

    Quote Originally Posted by wrooster View Post
    ^^^ This man knows what he is talking about.

    Wrooster
    Very good illustration....everyone should watch the video...I want to add this...I learned it the hard way years ago...When you go up to a tree to cut it down...look for your runway....that is the path you will take if things go wrong...really wrong and fast...be sure there are no obstacles ...no vines ( that is what tripped me up one time ) no holes or fallen limbs...be sure you have a clear escape path before cutting....
    Bob

    WORRYING does not take away tomorrow's TROUBLES, it takes away today's PEACE.


    NH - TC-29 , FEL, Bush hog, Bush hog brand finishing mower, Post hole digger, 6' Back blade, sub-soiler, Pallet forks, 20KW PTO Generator , 21 hp Murray Mower
    JD -3020 with FEL and a 16 HP. K-Grow Lawn Tractor (bought from K Mart 1994) and runs great !
    Clark 130 EN Mig Welder

  6. #16
    Elite Member s219's Avatar
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    Dec 2011
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    2,943
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    Virginia USA
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    Kubota L3200

    Default Re: Tree Felling danger

    Yeah, a leaning tree is a barber-chair to-be. You need to be able to recognize that before even breaking out the saw, and plan your cuts accordingly. The "Coos Bay" cut is my favorite way to handle leaners.

    This same condition can occur whenever the tree is loaded such that a strong shear is created. This can occur on a straight tree on a windy day, when the wind is loading the tree.

    You got lucky man! People get killed from barber chairs. They will take your head clean off.

  7. #17
    Gold Member
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    Mar 2012
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    Arlington, VA
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    None (yet)

    Default Re: Tree Felling danger

    It also looked like the guy in the vid had his backcut at the same level as his undercut.

  8. #18
    Veteran Member
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    Jun 2006
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    2,132
    Location
    West Cascades Washington State
    Tractor
    PT 422

    Default Re: Tree Felling danger

    Yes those leaners store a lot of energy in the trunk. Then the back cut removed enough wood to allow the trunk to split.

  9. #19
    Silver Member
    Join Date
    Sep 2011
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    112
    Location
    NB, Canada
    Tractor
    John Deere 2520

    Default Re: Tree Felling danger

    Timely thread. Plan on felling a few leaning poplar later this year as they are looking like they are starting to die.

  10. #20
    Elite Member
    Join Date
    Dec 2002
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    3,009
    Location
    Foster, RI
    Tractor
    Mahindra 3016

    Default Re: Tree Felling danger

    Quote Originally Posted by s219 View Post
    Yeah, a leaning tree is a barber-chair to-be. You need to be able to recognize that before even breaking out the saw, and plan your cuts accordingly. The "Coos Bay" cut is my favorite way to handle leaners.

    This same condition can occur whenever the tree is loaded such that a strong shear is created. This can occur on a straight tree on a windy day, when the wind is loading the tree.

    You got lucky man! People get killed from barber chairs. They will take your head clean off.
    RetiredM, this cut this poster is referring to is a relief cut on both sides of the tree parallel to the lean. They only go in a few inches on each side. Some taper them to the falling cut side but in my experience any relief you give to the tree stem will work. Also look to the canopy of a tree and see where its weighted the most. If you do not have to, leave trees alone on windy days. The key here is to zippity do-da the falling cut and you'll keep this stuff to a minimum. I like to make the relief cuts first and then notch the tree and then go right to the felling cut.

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