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Thread: Laminated Arch Back

  1. #11
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    Aug 2018
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    I've seen very few pressed backs, but the ones I have seen have all exhibited signs of asymmetry. I can't imagine that they left the factory like that, so I am assuming that something happened with acclimation or aging to encourage some areas of the wood to try to resume its unpressed state. This is not a scientific summation, just a casual observation … perhaps those few examples were atypical.
    Pressed backs should provide a stellar strength to weight ratio, and likely a highly reflective shape, but I wonder if either of these features is worth the engineering effort over moderately arched braced backs.
    If you have the tooling to make the presses, it should prove to be a very interesting process. Don't be discouraged … many of us will be very interested in your progress and results.

  2. #12
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    Just a thought, I wonder if a body and fender man could Hamer out a steel one, in short order.

  3. #13
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    Here is an interest video of making the Hofner Violin Bass it’s a laminated body worth a watch. https://www.youtube.com/watch?v=WyFhRoi188E
    http://ukulele-innovation.tripod.com ebay i/d squarepeg_3000 Email timmsken@hotmail.com

    If you can believe that moving images and sound, can fly through empty space across the universe and be seen and heard on a box in your living room ?.. then you can believe in anything.

  4. #14
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    Quote Originally Posted by Timbuck View Post
    Here is an interest video of making the Hofner Violin Bass it’s a laminated body worth a watch. https://www.youtube.com/watch?v=WyFhRoi188E
    Loved watching this! Makes me want to do that when I grow up. But then, just remembered I’m already 56! Oh well, back to the shed! Thanks for sharing Ken.

  5. #15
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    Jul 2019
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    Lol! I’ll get some sheet metal tools from Harbor Freight!

  6. #16
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    If Bruko can do it, then maybe I can too? Iíll post along the way. Thanks for the encouragement.

  7. #17
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    Quote Originally Posted by Timbuck View Post
    Here is an interest video of making the Hofner Violin Bass it’s a laminated body worth a watch. https://www.youtube.com/watch?v=WyFhRoi188E
    This shows an interesting balance of specialist machinery and real-life lutherie skills.
    I had to replay the fret slot cutting sequence multiple times to be sure of what I was seeing … unbelievable.

  8. #18
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    Quote Originally Posted by bazuku View Post
    This shows an interesting balance of specialist machinery and real-life lutherie skills.
    I had to replay the fret slot cutting sequence multiple times to be sure of what I was seeing … unbelievable.
    Yes I've seen that Guy at work in another video...He has a large rubber ink stamp that presses on the fretboard that marks the positions of the fret slots and MOP dots..then he cuts them out by eye with the handsaw and power drill...It takes great confidence and skill.
    http://ukulele-innovation.tripod.com ebay i/d squarepeg_3000 Email timmsken@hotmail.com

    If you can believe that moving images and sound, can fly through empty space across the universe and be seen and heard on a box in your living room ?.. then you can believe in anything.

  9. #19
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    If you look closely when he's drilling the dots, you can see that he has not cut the fret slots on the marked line but about 1mm to the right hand side. (His Left)
    Last edited by Timbuck; 03-06-2020 at 04:23 AM.
    http://ukulele-innovation.tripod.com ebay i/d squarepeg_3000 Email timmsken@hotmail.com

    If you can believe that moving images and sound, can fly through empty space across the universe and be seen and heard on a box in your living room ?.. then you can believe in anything.

  10. #20
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    That slot cutting footage is the luthier's equivalent of the shower scene from 'Psycho' … a brutish coarse-toothed implement being wielded upon a cowering fret board … nightmare material. After my palpitations subsided, I thought 'Phew thank God it was only a bass'... but, before all the bassist brethren rush to ignite their flamethrowers, let me claim that my time fumbling up and down the bass neck qualifies me to joke about it.
    More seriously though, by modern standards, my own fret slotting technique is primitive. I have only ever used a hand held saw (with depth stop), home-made aluminium fret scale rulers, a marking blade, and a true-squared wooden block for a guide (all applied with a healthy dose of trepidation).

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