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When the log is supported on one end,
As shown in Figure 23
cut 1/3 the diameter from the underside (underbuck). Then make the nished cut by overbuck-
ing to meet the rst cut.
Log supported one end
Fig 23
2nd cut overbuck (2/3 diameter) to
meet 1st cut (to avoid pinching)
1st cut underbuck (1/3 diameter)
to avoid splintering
When the log is supported on both ends,
As shown in Figure 24
cut 1/3 the diameter from the top (overbuck). Then make the nished cut by underbucking the
lower 2/3 to meet the rst cut.
Fig 24
1st cut overbuck (1/3 diameter)
(To avoid splintering)
2nd cut underbuck (2/3 diameter) to
meet 1st cut (To avoid pinching)
Log supported both ends
OPERATION
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