The Official U.S. Maple Syrup Almanac 2015 | Page 54
6
With the notch complete, move to the
uphill side (or opposite the direction of
side lean) to begin the plunge or bore cut.
7
The bore cut is made by inserting the “attack” corner
of the bar just behind the hinge, establishing a hinge
thickness equal to 10% of the tree’s diameter and cutting
toward the back of the tree until only a thin strip remains.
8
With the
bore cut
complete,
insert a plastic
wedge parallel
to the hinge.
54
U.S. Maple Syrup Almanac
2015