• Jim Hilburn's Avatar
    May-14-2019, 10:08am
    Does it look like the tuners were replaced? Can you see an imprint in the finish? Those usually had Gotoh's.
    15 replies | 833 view(s)
  • Jim Hilburn's Avatar
    May-08-2019, 10:37am
    Jim Hilburn replied to a thread A plans, in Builders and Repair
    You could use Adrians plan. Just draw a line that eliminates the scroll and take that and mirror image the bass side for the treble side instead of...
    6 replies | 456 view(s)
  • Jim Hilburn's Avatar
    Apr-30-2019, 10:35am
    Jim Hilburn replied to a thread truss rods in Builders and Repair
    These xrays, one Gibson and one Collings help to illustrate the leverage I've mentioned. Compare the adjusting nut location on both.
    48 replies | 1988 view(s)
  • Jim Hilburn's Avatar
    Apr-29-2019, 3:23pm
    Jim Hilburn replied to a thread truss rods in Builders and Repair
    Cumberland Acoustic sold and I assume still sells a straight rod with a welded stop and comes with a great small adjusting nut. I just shaped it to...
    48 replies | 1988 view(s)
  • Jim Hilburn's Avatar
    Apr-29-2019, 2:15pm
    Jim Hilburn replied to a thread truss rods in Builders and Repair
    I just looked up Ted (Thaddeus) McHugh's trussrod patent. While he didn't explain why the rod was curved he did say one reason for the invention was...
    48 replies | 1988 view(s)
  • Jim Hilburn's Avatar
    Apr-29-2019, 2:12pm
    Jim Hilburn replied to a thread truss rods in Builders and Repair
    A straight rod slot like the Collings can be done by gluing an elevating board near the nut although I remember using a couple of screws into the...
    48 replies | 1988 view(s)
  • Jim Hilburn's Avatar
    Apr-29-2019, 11:28am
    Jim Hilburn replied to a thread truss rods in Builders and Repair
    https://www.mandolincafe.com/forum/threads/89241-Installing-traditional-trussrod I'm hoping this will link to a thread I posted in 2012.
    48 replies | 1988 view(s)
  • Jim Hilburn's Avatar
    Apr-28-2019, 12:52pm
    Jim Hilburn replied to a thread truss rods in Builders and Repair
    Not so sure Max. Seems only a slight bend would solve the spin problem but they seemed to go out of their way to sink it so deep in the back. Still...
    48 replies | 1988 view(s)
  • Jim Hilburn's Avatar
    Apr-28-2019, 12:47pm
    Jim Hilburn replied to a thread truss rods in Builders and Repair
    To me part of that equation is the long curved heel which allows the deep set. To me the "straightening" force is spread along the entire rear...
    48 replies | 1988 view(s)
  • Jim Hilburn's Avatar
    Apr-28-2019, 11:14am
    Jim Hilburn replied to a thread truss rods in Builders and Repair
    Like this. And thanks to Adrian for the print.
    48 replies | 1988 view(s)
  • Jim Hilburn's Avatar
    Apr-28-2019, 11:02am
    Jim Hilburn replied to a thread truss rods in Builders and Repair
    If it's true that a straight rod deep in the neck is all thats needed, then what was Ted McHugh thinking when he went with the curved rod? My best...
    48 replies | 1988 view(s)
  • Jim Hilburn's Avatar
    Apr-25-2019, 12:18pm
    Jim Hilburn replied to a thread truss rods in Builders and Repair
    It was when the F5 was introduced with the longer thinner neck that the trussrod was introduced. Prior to that the ovals had a short neck with 12th...
    48 replies | 1988 view(s)
  • Jim Hilburn's Avatar
    Apr-25-2019, 10:07am
    Jim Hilburn replied to a thread truss rods in Builders and Repair
    Siminoff believes the Gibson curved rod is poorly concieved because as tension is applied it is trying to straighten itself which would cause the...
    48 replies | 1988 view(s)
  • Jim Hilburn's Avatar
    Apr-24-2019, 2:09pm
    Jim Hilburn replied to a thread truss rods in Builders and Repair
    I've always wanted to see a CAD simulation of all the different kinds of trussrods.
    48 replies | 1988 view(s)
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About Jim Hilburn

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