Martin-style Concert

hmgberg

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My friend and I would like to replicate, or at least make a reasonable facsimile, of a Martin concert ukulele. I cannot find plans for the instrument, but we do have Martin soprano plans and were considering just scaling it up. I found, on David Hurd's site, a list of certain dimensions of the various sizes of Martin instruments. Not surprisingly, things do not scale up uniformly. Nevertheless, this information should be useful. I also discovered an image of the inside of the top of an old Martin concert; it was fan braced, not ladder braced. We are still missing some data: top, back, and side thicknesses; neck, nut and saddle widths, and so on.

Does anyone know where I might find plans, or at least enough supplemental information to give it a go? Or, if you have any other recommendations about construction, I wold be most happy to hear them.

Thanks very much in advance for the help.
 
The Martin concert is ugly - it's not scaled up from the soprano. The harmony shapes in my most humble opinion are so much better and are what I use. However, I have no plans for you.
 
The Martin concert is ugly - it's not scaled up from the soprano. The harmony shapes in my most humble opinion are so much better and are what I use. However, I have no plans for you.

I read earlier that you didn't get on with the Martin shape. I have a plan for the Martin soprano and thought that if the concert is just scaled up, it would be easier to adapt. I own neither a Harmony concert nor a Martin concert; I have sopranos of both, but I don't guess the Harmony soprano scales up to the concert either.

I'm not exactly sure what you don't like about the appearance of the Martin, but if it is what I surmise it to be, I just may agree with you. The Martin looks a bit like the body is too big for the neck - like they enlarged the body and stuck the standard neck on it. The tenors don't look that way to me, but I'm only going by the pictures.
 
The Martin concert is ugly - it's not scaled up from the soprano. The harmony shapes in my most humble opinion are so much better and are what I use. However, I have no plans for you.

I should also say thanks, Pete. I've learned a lot from your videos and posts here on the forum. I really appreciate it!
 
Why not use the Scott Antes concert plans available from Elderly or LMI?

I have the Antes soprano plan and thought that if the concert was just scaled up, it would be easy to accomplish. I am unclear as to whether the Antes plan is also based on the Martin or on something else entirely. They are certainly inexpensive enough that I should probably get a set.

My friend and I used the Antes plan along with the Grellier plan that Pete Howlett recommended for our sopranos.
 
Try Guild of American Luthiers GAL Plan #43 Martin Tenor plan with concert and soprano outlines.
 
The Scott Antes concert plan has both a pineapple and a standard shape. We used it for our concert pineapple. Here is a pic of the standard (i.e. wasted) shape.

ConcertUke_sm.jpg

It looks very close to the Martin shape to me, which I don't like very much - but the pineapple version is fine, and much easier to build. Anyway, thanks to Matt Clara for sending us the plans.

Good luck with your uke build :music:
 
The Scott Antes concert plan has both a pineapple and a standard shape. We used it for our concert pineapple. Here is a pic of the standard (i.e. wasted) shape.

View attachment 21064

It looks very close to the Martin shape to me, which I don't like very much - but the pineapple version is fine, and much easier to build. Anyway, thanks to Matt Clara for sending us the plans.

Good luck with your uke build :music:

Thanks very much!
 
How do you all like the Kala concert? I made a sketch in gthang a while back - still need to balance it out a bit, but I think you get the idea.

ConcerUke_LikeKala_sm.jpg
 
I actually have a Kala concert. Mine is a 14th-fret join. Looks nice. Thanks.
 
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