Line boring
A method of assuring concentricity of bored holes. A boring bar extends through all of the holes and cuts the inside diameters so they all have the same center.
Aviation Maintenance Technician Handbook — Powerplant, p. G-16
A method of assuring concentricity of bored holes. A boring bar extends through all of the holes and cuts the inside diameters so they all have the same center.
Aviation Maintenance Technician Handbook — Powerplant, p. G-16