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Thread: Lyn #19 - Single Cut LP Jnr

  1. #1
    Mentor robin's Avatar
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    Lyn #19 - Single Cut LP Jnr

    Well, this was going to be yet another Refurb but as I will be building a new body, sanding down the neck and reshaping the headstock, I figured she deserved a new Build Diary.



    She started out as a JR-1DC Kit
    https://www.buildyourownguitar.com.au/forum/showthread.php?t=2668
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    I have always wanted a Les Paul Jr and although this kit comes close all I really wanted was a single cut slab. Apart from the atheistics of a carved top she was never a comfortable guitar to play and was very neck heavy and always kept sliding, neck first, toward the floor. I had upgraded the P90 pup with a Lollar and that combined with the pup being too close to the bridge meant that she was always aggressively bright and didnít suit my playing style. So out of all my guitars she was the forgotten orphan that sat in the corner while all the others got to go out.

    It seemed a waste so I decided to scrap the body and use the parts for another build but before doing so I experimented with pickup location. After lots of trial and error I settled on the pickup placement that suited, and as there was no way of hiding what I had done I decided I would have a go at a relic.


    She now sounds awesome, and is used regularly at church. If the new body doesnít turn out I will go back to this:

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  2. #2
    Mentor robin's Avatar
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    THE BUILD:
    I have moved away from F and G style headstocks, so I scrapped the classic G style ďopen bookĒ headstock for a style that I have used before.



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    New Headstoke shape

    As with all my scratch built bodies she will be a laminate of pine (cheap) and Marine plywood (strength). During the build I will be using hand tools only.


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    The 3 layers of the body. Pine top and bottom and a marine ply centre core for structural strength. I have already cut a control cavity in the bottom 2 layers of the body and drilled the holes for the pot shafts in the top layer.



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    Internal routing has to be organised before I glue the body together. Being only single pickup it was easy this time and all I needed was a channel cut in the centre plywood layer to take pickup wiring from cavity to pup.


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    I learnt the hard way that trying to glue 3 layers of wood is a nightmare. So I make small locating dowels between each layer so that when gluing, all the pieces remain locked together. These are just bamboo kabob skewers.


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    Next glueing. Underneath this forest of clamps is the body.



    Next step will be shaping the body.

    Cheers
    rob

  3. Liked by: colin2121

  4. #3
    Overlord of Music Sonic Mountain's Avatar
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    Nice one. Thinking about doing a plywood body next as I just want to paint it and it doesn't seem worth using anything fancy if it's going to be hidden.
    Build 1 - Shoegazer MK1 JMA-1
    Build 2 - The Relliecaster TL-1
    Build 3 - The Black Cherry SG AG-1
    Build 4 - The Sonicaster TL-1ish
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    "What I lack in talent I make up for with enthusiasm"

  5. #4
    Member JimC's Avatar
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    Sonic, My first thought is that plywood leaves you with an awful lot of end grain to handle. No problem if you are going for a millimetres thick polyurethane finish, but otherwise it could be extra work. Also there's actually rather a lot of plywood in a 2in or whatever body, and you probably need a lot of layers. I think if I were going for a budget materials body I'd look hard at whether gluing strips and slabs of pine or something else cheap would be less work, especially if I could source secondhand timber, shelves, beams, that sort of thing. There's also the thing that the raw timber is not one of the major cost components unless you are going exotic. But an awful lot depends on your facilities of course.

    Rob, I must admit I'm a bit bemused by the pine ply pine sandwich. How much strength do you think the body needs? Or is it protection from warping that's your key goal?
    Last edited by JimC; 23-11-2020 at 11:48 AM.
    Build #1, failed solid body 6 string using neck from a scrapped acoustic (45+ odd years ago as a teenager!)
    Build #2, ugly parlour semi with scratch built body and ex Peavey neck
    Build #3, Appalachian Dulcimer from EMS kit
    Build #4, pre-owned PB ESB-4
    Build #5, Lockdown Mandolin
    Build #6, Sixty six body for Squier
    Build #7, Mini Midi Bass

  6. #5
    Overlord of Music Sonic Mountain's Avatar
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    Iíve previously used pine for a body and it works fine. It did however sink a bit where there are knots and itís a bit splintery to work with. Finishing the plywood wonít be an issue for me, thatís one area I already had a good handle on prior to building guitars. A big attraction is thatís itís easy to get in workable panels. Given how many commercial guitars utilise it, it seems like it would be worth a go. Some ways off committing to it at any rate.

  7. #6
    Mentor robin's Avatar
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    @Sonic
    Yep, especially if you are painting it, plywood is a cheap solution. Before I built my first laminate guitar I searched through a quite a few sheets of normal ply and was surprised to see so many sheets that were warped. Marine ply on the other hand seemed a lot more consistent. But marine ply is way more expensive, but for me its only one piece of 200x300. I can get a few guitars out of one sheet.

    @Jim
    It's all about warping. Pine has a bad rap for that. I've built a few guitars now with pine/ply/pine and they all seem to be holding up well.

    rob

  8. #7
    GAStronomist Simon Barden's Avatar
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    With ply, you could always go for a bound body and run a strip of very thin ply around the edge of the body, creating binding channels without having to do any routing and also avoiding having any end-grain showing.

  9. #8
    GAStronomist Simon Barden's Avatar
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    With the P90, did you try adjusting the pickup height? That has a lot to do with the sound. Not easy on a dog-ear as you need to use a different height cover and bend the metal mounting ears to suit, which isn't always easy. But it is a definite way of tuning the sound.

    Vintage style wiring also helps, where the tone control is taken from the volume pot output, not the input. You can then turn down the volume without loosing treble and get a lot more clarity.

  10. #9
    Mentor robin's Avatar
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    Thanks Simon, I didn't try adjusting the height. I contacted Lollar after I bought the pickup and they recommended 2mm from poles to string.!! So it was set very high.

    I have a few different spacers that I will try on the new body, I will also try vintage wiring. It will be a test bed of sorts, but if it is close to what I ended up with I will be happy.

    rob

  11. #10
    Interested to see how this one goes. Looking forward to seeing the end product.
    I wonder at times if multiple pickups give too much choice and take the focus away from playing.
    I guess you have found the sweet spot for the P90 so that will help guide the build.
    You can always backfill the old body and solid paint if the new one doesn't work out, but I doubt that will be the case.
    Colin

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