shredboy Posted April 20, 2004 Report Share Posted April 20, 2004 Does anyone know if a single-action truss rod requires the truss rod channel to be routed concave? Will it work if it is placed in a straight channel? If the channel is concave, how concave must it be? Quote Link to comment Share on other sites More sharing options...
JohnJohn Posted April 20, 2004 Report Share Posted April 20, 2004 I've seen companies do it both ways.If I remember correctly Fender skunk stripes used to be curved inside by a small amount for optimum response. I'd think that a 12"-14" curve would do the job for a good reponse.Although I'd wait to see what the others have to say first. Quote Link to comment Share on other sites More sharing options...
KeithHowell Posted April 21, 2004 Report Share Posted April 21, 2004 I've always routed a curved slot for my single action truss rods. The principle of the rod is that when tensioning it, it tries to straighten so putting force upward in the middle of the neck,against the curve caused by the string pull. I have seen some companies use a straight rod (Yamaha I thinkis one) but then the rod is not parallel to the strings! It's installed so that there is a small angle at the nut end. Ie the rod is closer to the strings at the nut and further away at the body. The theory being that it forms the hypotenuse of a triangle and tightening it causes a backward force at the nut which will counteract the string pull. Keith Quote Link to comment Share on other sites More sharing options...
shredboy Posted April 21, 2004 Author Report Share Posted April 21, 2004 Thanks. So I guess I'll have to cut som 12" to 14" radius 'humps' to run my router on. Or is there an easier way? Quote Link to comment Share on other sites More sharing options...
kings_x Posted April 21, 2004 Report Share Posted April 21, 2004 Here's some info on single action truss rods. I used this info to make mine. http://www.hoffmanguitars.com/Making%20neck%204.htm Quote Link to comment Share on other sites More sharing options...
Devon Headen Posted April 21, 2004 Report Share Posted April 21, 2004 Unless you're just trying to faithfully reprduce a guitar, I'd reccomend going with a double action rod. Not that much more expensive, easier to install, and you can correct twice as many things with it Quote Link to comment Share on other sites More sharing options...
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