Parkerish cf-skinned fiver in progress

Discussion in 'Luthier's Corner' started by MPU, Dec 15, 2012.


  1. JIO

    JIO Connery... Sean Connery Gold Supporting Member Commercial User

    Jun 30, 2010
    The Mission SF/CA
    musician/artist/owner - Gildaxe
    vacuum... as in the green bag is air tight and you attach a vacuum to an opening to suck all air out creating pressure- thus pressing the cf into the body?
     
  2. slappa_dat_bass

    slappa_dat_bass

    Nov 10, 2012
    Or a foam core with a fiberglass skin, maybe even most of the neck, with a one inch maple core, similar to a surfboard? The core would be just wide enough for a truss rod........ Then some type of synthetic fretboard? Hmmmmm. Not trying to pirate this thread or nothin, just throwing the idea out there.
     
  3. AltGrendel

    AltGrendel Squire Jag SS fan.

    May 21, 2009
    Mid-Atlantic USA.
    Subbed mainly to see how you deal with routing and such.
     
  4. MPU

    MPU

    Sep 21, 2004
    Valkeala Finland
    You got it. That green bag stretches about 300% and follows the shapes of the vacuumed piece. The bag presses the cf tightly to the core and also presses the excess epoxy out of the laminate. My vacuum pump is made of an recycled refridgerator compressor and vacuum pressure switch. A bit slow air intake but works fine in this.
    I'm going to use an acrylic impregnated fretboard. Should be very stable.
    Routing goes just like routing wood, cf can be worked with carbide bladed router bits.
     
  5. I have thought of doing this, but I need to finish my first bass first.

    lowsound
     
  6. MPU

    MPU

    Sep 21, 2004
    Valkeala Finland
    Laminating finished and two filler coats of epoxy added. They will cure over Christmas and then it's time for sanding. After sanding I'm routing slot for trussrod and making the fretboard.

    WP_000029_zpsbc0e98a6.jpg

    First filler coat on. Second coat made the surface a lot smoother.
     
  7. Puavo

    Puavo

    Mar 19, 2011
    Too cool for school ;)
     
  8. JIO

    JIO Connery... Sean Connery Gold Supporting Member Commercial User

    Jun 30, 2010
    The Mission SF/CA
    musician/artist/owner - Gildaxe
    so what do you anticipate your bass w/approximately weigh in at?
     
  9. MPU

    MPU

    Sep 21, 2004
    Valkeala Finland
    I haven't weighted the bass yet. When fretboard is glued I'll weight it. It feels quite a lot lighter than similar shaped four stringer.
     
  10. RedMoses

    RedMoses

    Jul 4, 2012
    NYC
    Cool! Sub'd
     
  11. More,must see more!!! Absolutely beautiful!
     
  12. astack

    astack

    Nov 12, 2011
    St. Louis, MO
    Nice! Sub'd.
     
  13. MPU

    MPU

    Sep 21, 2004
    Valkeala Finland
    Some progress. Two filler layers sanded, one more needed. Truss rod slot routed, fretboard slotted and glued. Next it's fretboard sanding and fretting and cavities for pickup and controls before final fill layer.

    WP_000031_zpseaaf404b.jpg

    WP_000032_zps044153b1.jpg
     
  14. MPU

    MPU

    Sep 21, 2004
    Valkeala Finland
    Fretted weight is 1,95kg. I just leveled and crowned the frets. I may do a test play after I've fitted the headpiece. Can't wait to hear some test sounds. Even acoustic sounds will do.
     
  15. Puavo

    Puavo

    Mar 19, 2011
    Looking good, and the weight is amazing. If I played fivers, I'd start saving for when you'll offload this before building the next one...
     
  16. MPU

    MPU

    Sep 21, 2004
    Valkeala Finland
    Test fitted the bridge/tuner and headpiece. I also got to play the bass. Sounds nice acoustically.

    WP_000038_zpsd7671e00.jpg

    Weight of the finished bass will be around 2800g. Feels quite light.

    Last epoxy coat added, now it will harden for two days before sanding and routing the cavities. Then it's time for final sanding and painting.

    WP_000040_zps709ef558.jpg
     
  17. Beej

    Beej

    Feb 10, 2007
    Vancouver Island
    I gotta say you do wonderful work... :)
     
  18. younggun

    younggun

    Jul 19, 2008
    San Antonio
    What brand hardware are you using for the tuners and headpiece?
     
  19. MPU

    MPU

    Sep 21, 2004
    Valkeala Finland
    Ets tuner/bridge and Hohner/Steinberger headpiece. Double ball end strings only. Status makes great db strings at quite nice price.
    Pickup will be either 10-coil Wal-like or Q-tuner inspired sidewinder, both custom-made in my shop.
     
  20. bassingeorge

    bassingeorge Supporting Member

    Jul 28, 2003
    San diego, CA
    Love me some Carbon Fiber!
     
  21. Primary

    Primary TB Assistant

    Here are some related products that TB members are talking about. Clicking on a product will take you to TB’s partner, Primary, where you can find links to TB discussions about these products.

     
    Sep 20, 2021

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