[QUOTE=mvp;8520151]
What? Dead trees are called that?
I did google around and learn about the kickback zone and binding up, as well as the safety gear I’d need.
The tree is a slender birch tree. The trunk is maybe 18" or 2" in diameter and I think it splits into “halves”, each with branches, higher up. But I take your point about the instability of a dead tree. Also, does the texture of dead wood matter?
As a kid, I spent many, many weekends carrying the firewood my dad made from some huge eucalyptus trees that were on his new place and were old and needed to come down. Watching him cut that wood gave me a clue.
We’ll try this tomorrow (monday).[/QUOTE]
Large dead trees or ones on their last legs aren’t as ‘stable’ as live healthy ones. The upper sections, large branches etc. tend to rot out faster and weaken. So when felling parts up there may break off unpredictably and fall unpredictably on the person below.
Or the inside/core of the trunk can be rotted and or hollow. Dropping a tree in a desired direction is determined by the notch cut, the back cut and the amount of ‘hinge wood’ the amount of uncut wood between the notch cut and back cut left by the sawyer. An even amount of hinge wood left and the tree should fall straight. Cutting out more of the hinge wood on one side and the tree will brake around from the stump on that side first being retained by the thicker hinge wood on the other side and will ‘twist’ and fall off center.
If this was done on purpose the sawyer knows what direction it will fall and where to move to quickly to get out of harm’s way. Especially knowing where to be to avoid ‘kick back’, when the tree hits the ground and it can bounce back.
If the core of the tree has been compromised it makes all of the above unpredictable. Or the tree trunk can ‘shatter’, split, and suddenly shear off while being cut taking out the sawyer. Hence the term "widow maker’.
I was taught to have/use a ‘mini mall’ hammer (a small sledge hammer) and go around the tree whacking it to see/hear if it is hollow/soft. So you know what you are dealing with and being prepared and using proper felling technique for this type of tree and or choice another one.
The above is not a tutorial there’s a bit more to it. The vast majority of people aren’t going out and dropping large trees.
As I said in my earlier post. Operating a chain saw once proper basic hands on training is learned is no more dangerous then working with horses by and large. IMO. I don’t know personally anyone that has been killed using a chain saw. A few that have been hurt. But I know of a lot of people that have been hurt, some seriously and or killed working with horses.
There are a lot of very useful reasons for having and know how to operate a chain saw other than for felling and or bucking up a downed tree.
For those who are uncomfortable using a chain saw a Sawzall aka Reciprocating Saw are very handy to have in one’s shop. Much easier to operate and can be used to cut up small downed trees/limbs etc. Lot of things. Different types of blades for cutting all types of materials. Not nearly as fast as a chain saw but will get the job done. More versatile than a chain saw.
I am not recommending this one don’t know anything about it. Just linking for example purposes.
https://www.google.com/search?q=sawzall&rlz=1C1AVNE_enUS611US612&espv=2&biw=1600&bih=775&tbm=isch&imgil=obOtGJhJa8_-LM%3A%3BDVt10ayX4lU3SM%3Bhttp%253A%252F%252Fwww.northerntool.com%252Fshop%252Ftools%252Fproduct_200319179_200319179&source=iu&pf=m&fir=obOtGJhJa8_-LM%3A%2CDVt10ayX4lU3SM%2C_&usg=_aT9KAhH0Le4LD5Ay8eZKuNqw3l8%3D#imgrc=obOtGJhJa8-LM%3A&usg=__aT9KAhH0Le4LD5Ay8eZKuNqw3l8%3D