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the definitive book on truss rods!

Cool! Downloading.

EDIT: Just read it. Very well written and organised, plenty of good info but I hoped to find more advanced information rather than "contact your local repair shop", as I already knew a good deal of this.
Didn't know that the rod channel had to be curved, though. The only neck I had taken apart had a straight channel.
 
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for a free offering i thought it very good, he might get his ass in gear now and document his many years crafting good axes!
he is one of the few go to guy's in Dublin, ireland. And i do believe Mr Bonassama himself has one of his creations!

Nice to see someone giving back and sharing hard won experience with us ordinary folk!
 
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A minor, but important correction (I have informed the author about this - he is going to correct it). The article says:

"Whatever style your truss rod adjustment nut/location, turning it in a clockwise direction (righty-tighty) will cause the rod to tighten, straightening the neck and reducing any bow/ relief. Turning the adjustment in a counter-clockwise direction (lefty-loosey) will loosen the rod and relief/bow will increase.

There are a number of basses that work backwards to this - most Pedullas, some older Warwicks and a few others. I advise that you don't assume which way your truss rod works. Turn it a bit and check which way it is moving the neck.
 
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You know, I've never actually measured neck relief, and I've been adjusting my own truss rods for years. I've also never used the capo thing. I just sight along the neck, or use a 2' straight edge, and tighten (or loosen) the nut accordingly, until it feels right. Good read though.
 
Thanks to slavetothegrind for posting this, and thanks to Gerry Hayes for making the book available. Like mapleglo I've been doing my own setups for quite a while with good results (although I do use a precision straightedge and feeler gauges, LOL), but a refresher course is always good.
 
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