Net-Knight1
ArboristSite Operative
"Burning" trough a tree...
[video=youtube;Kwuhi6rlZqU]http://www.youtube.com/watch?v=Kwuhi6rlZqU[/video]
[video=youtube;Kwuhi6rlZqU]http://www.youtube.com/watch?v=Kwuhi6rlZqU[/video]
Are people trying to prevent the tree coming back on them by cutting at an angle on the back cut?
Interesting. I do it sometimes to be honest.
I wont argue but i like to easily see the gap open as i am cutting
Try driving a wedge into a sloped back cut and watch that piece break off...
There was a good graphic somewhere floating about that showed why it was a no-no, but I can't find it.
Much safer to wedge.
Angling the back cut weakens the hinge and increases the chance of the tree coming back on you. The supposed "backstop" that the feller thinks he has created to save him if the tree does lean back is going to snap right off when the tree falls backwards and potentially kill the operator.
90º back cuts (even when not using a wedge) keeps the hinge stronger and if the tree leans back, it's weight will be supported by the stump (it'll pinch your saw if that happens, hence why you should use a wedge to correct the issue or better yet, keep the event from occurring). Although if done correctly, the tree will never "lean back" but it can happen (usually misjudging top weight or windy conditions are the common causes of this).
Angled back cuts are a real quick way to get a trip to the morgue no doubt about it....
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