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Mossman Truss Rod Adjustment

Mossman Truss Rod Adjustment

by S.L. Mossman

Originally published as Guild of American Luthier's Data Sheet #263, 1983



Explanation of the Truss Rod and how it Works

The steel rod is laid in at a curve. The curve extends from the first fret and tapers off at the ninth fret. Since the rod is anchored at both ends, when the nut end is tightened it simply shortens the rod by pulling the curve out of the rod and straightening itself, forcing the low part of the rod up and pulling the hight point down, which is the point of least resistance, causing a back bow in the neck.

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