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Thread: H's JBA-4 Fretless

  1. #91
    GAStronomist wazkelly's Avatar
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    Might need to drop the sanding radius or cork sanding block and just use grit paper folded over with your fingers and keep checking after a few passes back and forth. Even with 2000 used wet it is surprising just how much cut is possible. You will also end up at a point where it is not so good to sand up and down long sections either as that is most likely when more damage will be done without realising it. Towards the end I was concentrating on no more than 70mm to 100mm sections at a time.

    If the surface goes crazy like it did in one of your earlier shots don't panic and sand like a madman, instead see if adding another thin coat helps to even things out and make sure you give it double the amount of time you think it needs as some of those shiny patches can just be a gel like skin and turn to crap real quick. If you give things more time the harder and tougher the surface becomes but that doesn't necessarily make the finishing off job any harder, in fact it becomes easier as you start to understand how it reacts with itself and the underlying coats already applied.

    Edit: Another reason for wearing a mask is to prevent inhaling the sanded dust particles too as they tend to gum up inside your nose and block things up, and not forgetting just how toxic this stuff is in any state or form. Same deal with sanding guitar bodies too as fine Basswood or Ash dust up the nose is yucky and Timber Mate is pretty nasty too.
    Last edited by wazkelly; 31-08-2016 at 07:06 PM.
    # 1 - EX-5 https://goo.gl/fQJMqh
    # 2 - EX-1 https://goo.gl/KSY9W9
    # 3 - Non PBG Tele https://goo.gl/W14G5g
    # 4 - Non PBG J Bass https://goo.gl/FbBaFy
    # 5 - TL-1AR GOTM Aug 2017 https://goo.gl/sUh14s
    # 6 - MMB-4 Runner-up GOTM Oct 2018https://goo.gl/gvrPkp
    # 7 - ES-1 Runner-up GOTM Aug 2018https://goo.gl/T9BEY8

  2. #92
    Member UpperCaseH's Avatar
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    Not sure what happened with the last coat, but it took 2 days to harden and dried with bubbles and heaps of low patches in it.



    Sanded back to get the bubbles/pits out, but not down to the lowest of the low patches.



    Everything matte in that image is raised from the shiny parts. Not sure what caused the previous coat to take so long and to dry so weird, but I'm gonna go with "too thick". Wasn't hard to sand down, and I was careful not to go through.

    I've put another thin coat down concentrating on the low parts and it looks nearly dry after an hour (gonna wait 24 hours before I even think about touching it), and it's already looking much better.

    Wore the mask when sanding, added the goggles when putting the glue down, couldn't smell a thing and no stinging in the eyes even when leaning close, so I guess these are gonna be fine. I'll look at a decent filter/respirator if I do any more guitar buildng after this one (so I expect to own one before christmas...)
    Last edited by UpperCaseH; 02-09-2016 at 03:56 PM.

  3. #93
    GAStronomist wazkelly's Avatar
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    Yep, both shots look very familiar.

    You are doing well and already mapping out a plan to solve these minor set backs. In the first shot where it was all crazy I had that happen several times and on one occasion didn't bother sanding and just laid down more glue and left it for a few more days to cure as that helped to provide a bit more of a thicker layer before attempting another wet sand. It is really just trial and error until you get things just right but truly worth the effort in the end.
    # 1 - EX-5 https://goo.gl/fQJMqh
    # 2 - EX-1 https://goo.gl/KSY9W9
    # 3 - Non PBG Tele https://goo.gl/W14G5g
    # 4 - Non PBG J Bass https://goo.gl/FbBaFy
    # 5 - TL-1AR GOTM Aug 2017 https://goo.gl/sUh14s
    # 6 - MMB-4 Runner-up GOTM Oct 2018https://goo.gl/gvrPkp
    # 7 - ES-1 Runner-up GOTM Aug 2018https://goo.gl/T9BEY8

  4. #94
    Member UpperCaseH's Avatar
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    Following your advice, got most of the raised parts off with the radius then folded the paper over my fingers to concentrate on the problem areas. Got 9/10 of the depressions smooth, then



    Maybe 10 passes too many, and the same in a smaller area a little further down. Making steady progress though, so no complaints - it's a little better each time. It seems that very, very thin is the way to go with each coat. Next thin coat is on and dried, so I'll attack it in a bit and see how it goes.

    Not about the fretboard now - if I decided to use Wudtone, how does the application differ from Dingotone?

  5. #95
    GAStronomist wokkaboy's Avatar
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    Hi H, application of wudtone is the same as Dingotone, rag it on fairly thin coats.
    Current Builds and status
    scratch end grain pine tele - first clear coat on !
    JBA-4 - assembled - final tweaks
    Telemonster double scale tele - finish tobacco burst on body and sand neck

    Completed builds
    scratch oak.rose gum Jazzmaster - assembled needs setup
    MK-2 Mosrite - assembled - play in
    Ash tele with Baritone neck - neck pup wiring tweaks and play in

  6. #96
    GAStronomist wazkelly's Avatar
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    Looks familiar......oh so easy to scrape through to the bare wood. Just need to touch up those areas only and be careful not to go through in any other adjoining places.

    Looks like you are nearly there. Loving the cedar timber mate strip contrast which looks almost Mars bar caramel colour in that shot.
    # 1 - EX-5 https://goo.gl/fQJMqh
    # 2 - EX-1 https://goo.gl/KSY9W9
    # 3 - Non PBG Tele https://goo.gl/W14G5g
    # 4 - Non PBG J Bass https://goo.gl/FbBaFy
    # 5 - TL-1AR GOTM Aug 2017 https://goo.gl/sUh14s
    # 6 - MMB-4 Runner-up GOTM Oct 2018https://goo.gl/gvrPkp
    # 7 - ES-1 Runner-up GOTM Aug 2018https://goo.gl/T9BEY8

  7. #97
    Member UpperCaseH's Avatar
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    Thanks, I'm really happy with the colour the timbermate went under the CA. It was lighter and pinker than that before the finish went on. Not heaps, but it's darkened to a really nice caramel, yeah.

    Got another coat on and then sanded over the weekend, focusing on the bad spots. At this stage, I think I've got to start thinking about how "perfect is the enemy of done"

    From a distance, the neck looks great apart from a couple of slightly cloudy spots near the high frets that I don't think are coming off no matter what I do.


    Several sections still have tiny flaws in them


    I'm not sure if another coat is going to help here, since these spots are really shallow (can't feel most of them) and seem to migrate between coats. I'm wondering if what I need to do is stop recoating/sanding and just polish from here. This is 2000 grit. Should I just gently work up from there at this point with these micromesh pads? Or keep coating/sanding and hope these fill in? They're only obviosu from up close with the light at just the right angle, and from experience I'm always going to be able to find something wrong if I look that close.

    Also, I found out last week that the Nullarbor Ochre I ordered is unavailable right now because some ingredients can't be sourced. No problem, I can see how that happens with a hand made product. I've got some colours in mind but I'm still trying to get in contact with Dingo Bass about a custom colour kit and not having any luck.
    Last edited by UpperCaseH; 05-09-2016 at 09:52 AM.

  8. #98
    GAStronomist wazkelly's Avatar
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    Coming along nicely and in the long shot the grain has come to the fore.

    With the cloudy bits how thick does it look? If there seems to be a bit of depth just ever so slightly use the 2000 wet as that will eventually cut through and remove the cloudiness.

    For the tiny indentations you will need at least 1 or 2 more thin coats just in those areas, not all over as that can introduce problems in areas that already look and feel ok.
    Last edited by wazkelly; 05-09-2016 at 07:27 PM.
    # 1 - EX-5 https://goo.gl/fQJMqh
    # 2 - EX-1 https://goo.gl/KSY9W9
    # 3 - Non PBG Tele https://goo.gl/W14G5g
    # 4 - Non PBG J Bass https://goo.gl/FbBaFy
    # 5 - TL-1AR GOTM Aug 2017 https://goo.gl/sUh14s
    # 6 - MMB-4 Runner-up GOTM Oct 2018https://goo.gl/gvrPkp
    # 7 - ES-1 Runner-up GOTM Aug 2018https://goo.gl/T9BEY8

  9. #99
    Member UpperCaseH's Avatar
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    Progress is slow, but it's continuing.

    I had a closer read about Andrew's JBA, and the colour he achieved with the Feast Watson stain is pretty neat. I'd want it a bit darker, but I'd assume thinning less would get to something like what I'm after. Would a tru-oil finish work over that kind of stain? If so, I might give that a shot for this bass.

  10. #100
    Overlord of Music andrewdosborne's Avatar
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    I think it's about time I contributed to this thread! Your neck is coming along nicely. Minor issues your having are pretty much what I experienced but your on track... For the finish I used 2x Coates of FW Jarrah thinned. Not sure if it would come up any darker unthinned but on another Tele build I used colour tone mahogany then FW Japan black over it. Is this more like the colour your after?






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