What species and what shape are your knives?
Pretty high regardless altho very sharp and very slow and very thin can
minimize in non ring-porous species.
OBTW...presuming your panel is at least somewhat smaller than the planer
capacity, use as much of an angle as you can rather than running thru
directly at 90 degrees...
Not all wood has grain that goes the length of the board. A lot
actually curves around a knot or where a limb may have been. Do you get
tear out on those type boards? If so you will get it also going cross
grain.
More likely than planing with the grain. Less likely with a segmented,
spiral cutter head... Super thin cuts, and super sharp blades would be a
must I'd think...
--
Jack
Tolerance is the virtue of the man without convictions.
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