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  1. Replies
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    Re: Recently completed

    164971164972

    Looks like I bungled the attachments on the first post, and posted the mandolin in the third post twice. Here are the (correct) photos of the mandolin described in the first post,...
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    Re: Recently completed

    164967164968164969164970

    Here is a mandocello in Engelmann spruce and curly maple. Curly maple and bocote binding, w/ curly maple outermost. Trim is W/African ebony. Finish is NC lacquer, w. a...
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    Re: Recently completed

    164964164965164966

    Here is another one similar to the first one above, except for a standard (i.e., post-through) headstock. This one has an Engelmann spruce top, curly maple back/sides/neck,...
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    Re: Recently completed

    164961164962164963

    This mandolin was built on spec, a by-product of last year's GAL convention. I went to dinner w/ Guitar luthier Steve Kinnaird, his wife, and his shop co-worker. I snatched up...
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    Recently completed

    164958164959164960

    Some recently completed instruments. This mandolin has a western red cedar top, claro walnut back/sides/neck, ebony trim. Binding is curly maple and bocote. 13.88" scale...
  6. Re: Learning about acoustics for instrument construction...

    Hay's links to references are not based on my posts. The most pertinent references for your purposes follow:

    (1) N.H. Fletcher & T.D. Rossing, "The Physics of Musical Instruments", 2nd ed.,...
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    Re: Some Questions about F-hole Design

    My degrees are in physical chemistry, and some of the work was theoretical chemistry. As such, much of my course work overlapped w/ that of physicists, including most of the math courses and some of...
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    Re: Dark burst C# mandolin

    Tuners are two sets of Rubners, cannibalized to make five-on-a-side. See photos in post #11, above.
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    Re: Dark burst C# mandolin

    And another. This one is a "classical A" with a 13.09" scale length, Engelmann spruce top, and black limba back/sides/neck. Binding is bocote outermost, and trim woods are W. African ebony. The...
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    Re: Dark burst C# mandolin

    Rather than start another thread, I'll just piggyback on the thread I already started. The following photos are of a mandolin I shipped last Monday (2/27/17). In my rush to get it shipped to its'...
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    Dark burst C# mandolin

    Attached are some photos of a dark burst C# mandolin, now with its' owner. Photos are of the front, back, a closeup of the scroll side and the body binding, and a closeup of the back plate. Top...
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    Re: F-style Mandolin with Curly Maple Binding

    The binding on the interior of the hoodledink is a straight piece extending to the top point of the headstock with a bend to about 3/32" radius at the hoodledink end. That is the part that I don't...
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    Re: F-style Mandolin with Curly Maple Binding

    I don't know if these are Ducatis. In fact, I don't know what a Ducati is. Some kind of two-wheel vehicle?? If so, maybe these are steps up from a tricycle - maybe a bicycle, or maybe a moped? ...
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    Re: Siminoff's Thoughts On Accoustics

    I think I need to set the record straight here before this thread dies. I have no intention of "roasting" Roger siminoff. I have no quarrel with any of his lutherie innovations and services. To...
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    Re: Siminoff's Thoughts On Accoustics

    I don't approach building mandolin family instruments "as a science project". I do, however, approach the description of mandolin and guitar motions as science. If Siminoff's mandolins are...
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    Re: Siminoff's Thoughts On Accoustics

    Roger Simiinoff certainly deserves some credit. His two editions on building a bluegrass mandolin were the first, and for a long time, the only references on building arch top mandolins.

    My...
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    Re: How much can you get from tap tuning?

    It is not so much a disagreement in science as a disagreement in philosophy. Popperian falsifiability requires that experiment is the ultimate determinant of what is true and what is not true. That...
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    Re: Happy birthday to JE Snanek

    Late to the party, so for today and all the rest of the days between now and April 01. 2017, have a very merry Un-birthday!
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    Re: How much can you get from tap tuning?

    Yes. When a string's first harmonic frequency sits on or very near to the peak frequency of a body mode, they exchange energy. The string loses more energy to the body mode than it would otherwise,...
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    Re: How much can you get from tap tuning?

    It is not just a matter of hypothesis or inference from theory; it is long-standing, empirical, experimental fact. It is not like I have elucidated something new with my interferometric modal...
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    Re: How much can you get from tap tuning?

    I have probably posted answers to your questions hundreds of times on this forum alone. If I were paid for the time spent on those posts, it would probably have augmented my academic salary...
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    Re: How much can you get from tap tuning?

    Peter got it pretty much right. Although, he said a couple of things that I would not entirely disagree with, but would perhaps modify a bit. One is the statement that there is a lack of evidence...
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    Re: Refret 1910 GIbson A4 advice please

    It wouldn't be a bad idea to source the fret wire yourself, except that you will have to buy a pound of it, and the luthier will use only a small fraction of what you will pay for. That, and the...
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    Re: Hard maple back thickness vs. soft maple

    This is not gonna help you very much, but it is the best I can do. If the tap tone of a piece of wood is "thuddy" or dull, that will not be changed very much by changing the thickness. The "thuddy"...
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    Re: What is the function of the body?

    Since FEM has been brought up, I think some clarification is necessary. FEM stands for "finite element matrix". What you do with FEM is draw your object (instrument) as accurately as possible. The...
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