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Koa Dreadnought

Discussion in 'Tele Home Depot' started by 1bad914, Jan 8, 2021.

  1. nosmo

    nosmo Friend of Leo's

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    Reverse kerfing makes me feel better too. For all the reasons you stated.

    That's gonna be a very pretty guitar. Carry on.
     
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  2. 1bad914

    1bad914 Tele-Afflicted

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    Thx. Koa is a beautiful and easy wood to work with.
     
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  3. 1bad914

    1bad914 Tele-Afflicted

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    The kerfing is installed and sanded flush, actually at the radius of the top and back. Side braces are made and installed.
    426DC12C-E150-4E66-B33F-1C4992BE3AC1.jpeg BEC75CFA-3662-41BD-B887-F250AA7CC931.jpeg 4999460A-7E90-4E7A-8281-70D600F5882D.jpeg 161192BF-B4B0-4BDE-A938-F8C3805113EE.jpeg A172A157-A7B2-4DD9-AD9F-EE7164165522.jpeg
     
  4. 1bad914

    1bad914 Tele-Afflicted

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    I like this shot.
    D562CE24-22FE-42B4-9AE3-F6ED05D4AC6C.jpeg 77C6631C-DB66-45EB-A72C-7CAA1A3D27BC.jpeg
     
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  5. erix

    erix Tele-Meister Silver Supporter

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    That is looking great! I never knew there was so much stuff going on inside an acoustic!
     
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  6. GeminiCG

    GeminiCG Tele-Meister

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    I have always loved watching an acoustic guitar being built. I plan on building one for my little sister who is a great fingerstyle guitarist. She wants Ebony back and sides with a Sitka Spruce top. But I personally love the look of Koa and may build myself one in the future.

    (Also, I can't believe I've been here for almost 2 years.)
     
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  7. 1bad914

    1bad914 Tele-Afflicted

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    I think bending ebony would be tough. This Koa has been easy to work with so far, reminds me of mahogany.
     
  8. Freeman Keller

    Freeman Keller Poster Extraordinaire

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    I've bent ebony binding, it was no more difficult that other woods. Never tried sides but I've seen some stunning ebony guitars.
     
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  9. 1bad914

    1bad914 Tele-Afflicted

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    Working on the end graft. Trying to decide what to use.
     
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  10. Maricopa

    Maricopa Friend of Leo's

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    Is that X brace not half-lapped? Even with the piece on top I'd be concerned with it just butted together.

    I've bent ebony binding, it was no more difficult that other woods. Never tried sides but I've seen some stunning ebony guitars.

    I found ebony fairly tough to bend, but easily fixed when/if it spintered...but the worst part was after the finish was on it looked just like black plastic. ;)
     
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  11. Freeman Keller

    Freeman Keller Poster Extraordinaire

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    914, I'll give you my opinion having looked at hundreds of hand made guitars, but remember what they say about opinions.

    I've see a lot of really lovely guitars build with incredible worksmanship out of stunning woods (and they sound good too). The ones that I remember have all had some sort of "theme" to their finishing touches, with one or two contrasting or complimenting colors or grains or whatever. Whether the body wood is carried to the head plate, whether the fretboard matches the binding, whether fine purfling lines are continued into the rosette, what impresses me is that continuity.

    On the other hand I have seen way too many spectacular guitars that just don't seem right. Maybe they have an abalone rosette and herringbone purfling and a maple back stripe, maybe they used blood wood mixed with maple and then put a sun burst on top of that. Each might be perfect, together they clash.

    What I'm trying to say is that I'm impressed by the selection of the materials and theme and the continuity of putting it together. Koa is spectacular wood, it could be nicely offset with one contrasting color carried all the way thru the instrument. And I'm always impressed when I see perfectly mitered corners and lines in a butt graft - think of how it will tie in to your binding

    End of opinion, I'm quite sure whatever you do will be perfect.

    Edit - here are two koa weissenborns, very simple maple binding. This would have been a style 2 or 3 in the weissenborn models. Three woods - koa, maple and rosewood, the koa is not as good as yours

    IMG_0667.JPG

    If I was doing that on yours I might make the end graft a maple wedge
     
    Last edited: Feb 21, 2021
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  12. crazydave911

    crazydave911 Doctor of Teleocity

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    By the figure I always thought koa hard to work/bend
     
  13. 1bad914

    1bad914 Tele-Afflicted

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    The x-brace is half lapped. I used to spend a lot of time making little pieces to fill in the gaps on each side, but then read about putting the little piece on top instead. Worked great to date in other builds.
     
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  14. 1bad914

    1bad914 Tele-Afflicted

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    I agree with the theme when building guitars. This guitar will have an ebony fingerboard and headstock plate. I thought about ebony, but it seems like to much. I have some very beautifully figured sycamore that runs in the same tones, but would really pop against the Koa. I would use it on the heel plate also. Hrrrrrmmmm, so many choices. The maple would really pop also.
     
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  15. 1bad914

    1bad914 Tele-Afflicted

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    The top and back are now ready to be glued on. My mentor taught me to cut right through the kerfing and the side, then adjust the depth for the brace. He stated that every Gibson that he did a top removal on had the braces all the way through. I listened for a couple guitars, then read about only cutting a notch in the kerfing. In my mind this does two things, keeps the integrity of the side by not introducing a weak point and if done right the top or back drops right into the notches and helps hold it firmly during the initial gluing/clamping process. Plus it looks cooler. Lol I snuck in a pic of the wet grain and figure. Still deciding on the wood for the end graft. Will not glue this together until then. This is just for show.
    2BF8A8F3-A6BF-47EF-8BB8-A1AF5FB1C7DA.jpeg F7D65531-6468-4AE6-8A2C-882308D2988A.jpeg 68524DC9-46D1-406C-BEEE-4C4BDCCB9C9F.jpeg 1C8B7503-EB13-45A9-A2A2-BB3266EF7133.jpeg 85EF52C0-98F7-41F1-A1BA-CC9CCA888459.jpeg 64461723-15BE-481D-9FC8-6CD78CAD90FD.jpeg
     
  16. 1bad914

    1bad914 Tele-Afflicted

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    Went over to my mentors shop and pulled out some scrape for an end graft. Made about 4 of them and made a decision.
    ABA17F73-AA50-4A22-8F39-82B94222B9AC.jpeg C7D51B31-CE77-4AA1-8E7A-15B19C647177.jpeg BC345F77-E94A-42C9-9C5B-5EF69EE75400.jpeg 24F3A459-6427-4136-82EF-467740C6E295.jpeg ED600E1B-8B70-402A-B4C4-DD1931B9B965.jpeg 2DBA6B67-05CE-4448-B3C2-71102F7C0AF9.jpeg
     
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  17. erix

    erix Tele-Meister Silver Supporter

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    That is lovely! Sycamore right?
     
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  18. 1bad914

    1bad914 Tele-Afflicted

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    Yes sir. Bob had some scraps that I dug through and used. I had some already, but wanted some with a bit more figure.
     
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  19. crazydave911

    crazydave911 Doctor of Teleocity

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    Good choice ;)
     
  20. frogisland

    frogisland TDPRI Member Gold Supporter

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    Back on post #60, you wrote, "I love reverse kerfing." I have to admit I freaked out for a couple seconds when I saw the photo of the kerfing on the OUTSIDE of the rims. This guitar is looking beautiful!
     
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