Quote:
Originally Posted by packocrayons
I just saw this and am concerned about my first build - Does the truss rod not go into a straight channel between the neck and the fingerboard? What's supposed to be curved?
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Single action truss rods need a curved channel. They operate by tightening or loosening to increase pressure against the curve.
Double action truss rods have 2 metal pieces that are solidly fastened at one end, and the other end can be adjusted to slip one metal piece against the other, to adjust the bow in either direction.
There are many modern style double action truss rods that are quite compact and lightweight that out-perform the single action style in so many ways. You can even buy these on e-bay for about 6 or 7 bucks a piece, or you can buy USA made for 30 bucks to 50 bucks or more...