ELECTRIC CHAIN SAW
2/10 sec.
Pulling
force
Extrusion
force
Pulling
force
Extrusion
force
Pulling force
Extrusion force
Falling cross section
Fracture zone is at least 1/10 of
the master diameter of the tree.
Intended falling direction
Top of falling notching
Falling notching pitch is about
30° to 45°
Bottom of falling notching is
at least 1/3 to 1/5 of the
master diameter of the tree
Cross section
At least 1/10 of the master
diameter of the tree