Question about felling trees.

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I'll be odd man out here. I like doing the diagonal cut first.

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Me too.
Back cut is even with the center of the notch, unless it's a forward leaner, then a slightly higher back cut, leaving a shelf.
A common error is making the notch too deep or by passing the cuts.
 
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If I am understanding your question correctly, I am assuming we are talking about making a face cut/notch/directional cut. The short answer is, in the matter of overall performance of the cut, it does not matter which you make first. As long as the hinge width is correct, overlap is avoided and it is aimed in the proper direction, the cut will work regardless of the order in placing the notch or front cuts. Just don't start with the back cut!!

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Exactly. Well put. And funny
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However, my preference (just a preference) is to put my angled cut in first then the horizontal cut, when notching out a tree. The reason is because you can glance through the angled cut when making the horizontal cut, to be sure the tip of the bar doesn't bypass the hinge fibers.

I hope that is clear.
 
A Humbolt notch is the opposite of the conventional notch. That is you make your angled cut underneath the horizontal cut. It takes the notch out of the stump instead of the tree, which some production fellers like, and has some situational felling advantages. Open face is two angled cuts, but the degrees are different and the back cut comes in towords the apex of the notch instead of 1-2 inches above.

The name is supposed to have come from Humbolt County in NorCal, home of more than a few good timber fallers, but I believe it was used in other places. I'll leave the history, though, to others more in the know.

Do get the book, Jepson first and then Dent. Dent made more sense to me after I read Jepson - a lot of info on cutting and notches accounting for various leans, etc.

All the best.
 
http://www.youtube.com/watch?v=GJfdpMHCWW4

Humboldts are the notches with the slanted cut facing down.. when the log comes off, its ready for the mill.. no need to finish it with another cut to cut off the notch..

Mostly used by loggers..

humboldt will also keep the log from kicking back off the stump if the tree hangs up on the way down and also prevent the tree from sliding back down the hill, when falling on steep uphill grades... situations also mostly occuring in logging.. rare to have those circumstances come up in suburban arboriculture around here.. it does come in handy in the tree though from time to time.. when taking a top out that could hang up during the fall and kick back into the climbers lap.. open face will do the same thing mostly, but can be problematic in the tree cause it will cause the tip to rotate and land first, often throwing the but back past the base of the tree..
 
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