Posted on January 15, 2026January 15, 2026 by Dale Phillips Partial Refrets Partial Refrets by John Calkin Originally published in American Lutherie #90, 2007 Partial refrets are a somewhat different matter than a full refret. Full refrets are often done for reasons other than worn frets, such as a compression refret to take excess relief out of a neck with a nonoperative or nonadjustable truss rod, or to allow a fretboard hump at the body joint to be dressed out. Partial refrets are usually performed on an instrument that has been played exclusively on the first few frets. Those frets have been grooved by the strings to the point where the strings buzz on the seldom-used frets. Most of the time I like to replace a couple of the unmarred frets as well just to play it safe. Occasionally a fret in the middle of the fretboard gets damaged and must be replaced. The procedure for this is similar to a partial refret for worn frets. There are other reasons to perform a partial refret, such as installing taller frets by the nut to make a slightly back-bowed neck playable, but these considerations are not covered here. I used to dislike partial refrets and tried to talk the customer into a full refret. This insured that the same fretwire covered the entire fretboard and also put more money in my pocket. After a slight mental adjustment and some practice at partial refrets I have come to look forward to them. The money involved is less, but partial refrets are normally far less complicated than a full refret and take a predictable amount of time. Become A Member to Continue Reading This Article This article is part of the Articles Online featured on our website for Guild members. To view this and other web articles, join the Guild of American Luthiers. For details, visit the membership page. MEMBERS: login for access or contact us to setup your account.
Posted on January 15, 2026January 15, 2026 by Dale Phillips Slotting Fretboards Slotting Fretboards by John Calkin Originally published in American Lutherie #70, 2002 and Big Red Book of American Lutherie, Volume Six, 2013 Many luthiers skip the tedious chore of slotting their own fretboards, and with good reason. Preslotted boards are readily available in most of the common scale lengths, and I’ve never used a prepared board that wasn’t accurately made. However, if you wish to escape the use of ebony or rosewood, or if a strange scale length is calling your name, you may have no choice but to slot your own fretboards. Accuracy and neatness are the attributes of a properly slotted board. Completing the job efficiently while keeping your temper under control requires a few basic tools. Be warned, however, that the frustration factor is harder to control than the necessary accuracy. Fretboard wood is usually the hardest and most abrasion resistant that can be found, and it doesn’t give in to slotting politely. It’s possible to buy your way out of this situation. It’s ironic that the cost of machine slotting is hardly more than a dedicated miter box, and can be a lot cheaper than a deluxe miter box. Assuming, that is, that you haven’t invested in a table saw just to cut fret slots. Become A Member to Continue Reading This Article This article is part of the Articles Online featured on our website for Guild members. To view this and other web articles, join the Guild of American Luthiers. For details, visit the membership page. MEMBERS: login for access or contact us to setup your account.
Posted on June 3, 2025June 20, 2025 by Dale Phillips Resurrecting the Family Banjo Resurrecting the Family Banjo by John Calkin Originally published in American Lutherie #84, 2005 and Big Red Book of American Lutherie Volume Seven, 2015 Though the title says banjo, this could as easily be about any stringed instrument. We’ve all seen them, the family “heirloom” that some relative has decided deserves to be played again, perhaps because they think it will be cheaper than buying a comparable new one, but more likely for some sentimental reason. The number of such beaters you actually get to work on may vary with your locality. Sentimentality didn’t count for much in New Jersey, and I had a collection of junky guitars that had been abandoned once the concerned relative learned what the cost of resurrection would be. Virginians, on the other hand, seem to put more stock in sentimentality and I’ve had the chance to rebuild several instruments that probably weren’t worth the fee I charged. Though this is about restoring an instrument to playability, please understand that we’re not talking about restoration as a vintage specialist would understand it. That sort of restoration often requires specialized knowledge and may demand a lot of research as well as the exchange of hefty sums of cash. It’s not much fun, either, unless you suffer a certain type of personality. In fact, some of what you and your customer may decide to do may interfere with future restoration, so it pays to have some idea of what’s collectable and what’s not. Become A Member to Continue Reading This Article This article is part of the Articles Online featured on our website for Guild members. To view this and other web articles, join the Guild of American Luthiers. For details, visit the membership page. MEMBERS: login for access or contact us to setup your account.
Posted on July 8, 2024May 15, 2025 by Dale Phillips Not Only Cones Make It — and Cylinders Almost Do Not Only Cones Make It — and Cylinders Almost Do by F.A. Jaén Originally published in American Lutherie #101, 2010 In the years since Tim Olsen’s article “Cylinders Don’t Make It” appeared in AL#8 (Winter 1986; also BRBAL1) the main ideas presented there have been accepted, developed, and finally, simplified and distorted. Many, including myself, remembered it more like “Only Cones Make It.” The first indication that something in my ideas was wrong was when I made a CAD model of a fretboard some time ago. I wanted it to have a constant curvature radius of 300MM (around 12"). There are many customers that still want that, in spite of offering well-designed conical-shaped fingerboards. My first thought was to draw two circles, 12" diameter, one directly above the other, at the distance from nut to end. After that, I would trace two diverging straight lines connecting both circles and defining both the edges of the fretboard and the widths at its ends. The surface could then be generated by moving one of the edge lines towards the other, using the end circles as rail curves (what is known as a “sweep” command in many CAD packages). Become A Member to Continue Reading This Article This article is part of the Articles Online featured on our website for Guild members. To view this and other web articles, join the Guild of American Luthiers. Members also receive 3 annual issues of American Lutherie and get discounts on products. For details, visit the membership page. MEMBERS: login for access or contact us to setup your account.
Posted on July 8, 2024May 9, 2025 by Dale Phillips At the Outer Limits of Solid Geometry: The “Twisted Neck” Guitar At the Outer Limits of Solid Geometry: The “Twisted Neck” Guitar by Leo Burrell Originally published in American Lutherie #12, 1987 and Big Red Book of American Lutherie Volume One, 2000 I was greatly amused by remembering my own struggles while reading the articles in AL#8 about the compound radius of the fretboard. I was actually practicing these techniques before knowing what a plain old radius is. I have only been in the music business since applying for patent letters for my naturally rotated (twisted) string assembly (all of the components that define the string alignment: nut, neck, bridge, top of the body). That was April 1984. And I never would have built an instrument at all, let alone carve a compound radius, if the “Music Moguls” had had any respect for my invention. But they didn’t, so I did. I enclose a photograph of me holding an instrument I modified in June 1984. I shaped the neck from a solid block of cherry given to me by Dan Rowe, shop teacher at Western Beaver High School, Industry, Pennsylvania. I whittled and otherwise shaped it during evenings for about two weeks, using the kitchen counter for a workbench. Oddly enough, I roughly followed the procedure you described in your article “Cylinders Don’t Make It” to shape the fingerboard. However, in my case, the procedure was complicated by the approximate 45° rotation. Become A Member to Continue Reading This Article This article is part of the Articles Online featured on our website for Guild members. To view this and other web articles, join the Guild of American Luthiers. Members also receive 3 annual issues of American Lutherie and get discounts on products. For details, visit the membership page. MEMBERS: login for access or contact us to setup your account.
