Spike knot
A knot that runs through the depth of a beam perpendicular to the annual rings. Spike knots appear most frequently in quartersawed wood.
Aviation Maintenance Technician Handbook — Airframe, p. G-32
A knot that runs through the depth of a beam perpendicular to the annual rings. Spike knots appear most frequently in quartersawed wood.
Aviation Maintenance Technician Handbook — Airframe, p. G-32