How to Fell a Tree Using a Chainsaw
How To Fell a Tree
How to Fell a Tree - wikiHow
How to Cut Down a Tree: Video Series | eHow Videos
There are many many other tutorials available. These are but a small sample.
USDA publishes instructions for felling a tree too (with pictures too.)
OSHA has a few words too.
More people are killed while felling trees than
during any other logging activity.
These accidents CAN be avoided!
http://www.dm.usda.gov/shmd/bulletin8.pdf
How to Recognize Hazardous Defects in Trees
There is a considerable difference between ignorance and stupidity. Ignorance is the lack of education or experience in a given area and can be cured by (among other things) instruction, observation, and or practice. Stupidity is NOT so easy to fix.
To choose to remain ignorant is an indication of a strong likelihood of stupidity. When are we the most dangerous? When we don't know that we don't know! A possible exception to this "most dangerous" comment is when we do in fact know that we don't know and CHOOSE to remain ignorant.
There is a wealth of available information on the RIGHT WAY to safely trim and fell trees and the safety equipment that makes it less life threatening. To purposely avoid finding out what is available, getting what is needed, and using it is about as smart as playing Russian roulette.
"But I always cross the street without looking either way and I haven't got run over yet!!!"
Temporary survival in the face of bad odds does not PROVE a method to be safe. Even a monkey might flip a coin and get heads several times in a row. Doesn't mean he will NEVER get tails you loose.
Pat