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Thread: Go Bar Deck

  1. #1
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    Default Go Bar Deck

    A few pics for all you budding luthiers. No doubt youve experienced the inconvenience of juggling 10 sets of clamps while gluing down braces. Well here's an easier way of clamping up a glue job..its called a Gobar deck and its an old Chinese device that's been around for centuries. Clamping pressure is applied by flexed 900mm lengths (on my deck) of 10mm diameter dowels of hoop pine between an upper deck and the piece being glued. If you want to get fancy you can go for fibreglass Gobars with rubber tips on the end. The guitar on the deck in the pics is the classical from previous post.
    Whatever note you blow youre never more than a semitone away from the correct one....(Miles Davis)

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  3. #2
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    The old ways are usually reliable and effective...

    great pics

    Pete
    If you are never in over your head how do you know how tall you are?

  4. #3
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    Alot to be said for cabinet scrapers too......they're a P in the proverbial to get honed up but a cabinet scraper is the best thing for working a top to final thickness or scraping back bindings.
    Whatever note you blow youre never more than a semitone away from the correct one....(Miles Davis)

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    Ahhhh so thats how you do it!
    ....................................................................

  6. #5
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    Cab scrapers and an arsenal of scraper planes. Most used scraper plane is an old Millers Falls beast I picked up at the local market. Paid a bit too much for the thing but it's great on Rosewood where the grain is all over the place.

    Alot of serious luthiers invest in drum sanders to take the hard work out of thicknessing tops but hey...youre not going to develop Arnie Swarzeneger sized biceps feeding spruce through a drum sander!!
    Whatever note you blow youre never more than a semitone away from the correct one....(Miles Davis)

  7. #6
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    Hi Martin,

    I have just started making one BUT the one I am making is only 600mm (2ft) high.

    I Got the details off Stewmacs web site.Why is yours so high or ,more like is the one I am making too small?

    I picked up some 5mm (3/16) fibreglass rods and put some rubber caps on them for the go bars. (Again off the stewmac site)

    Do you think these will do?

    Thanks

    Greg

  8. #7
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    Greg,

    Dimensions for my deck came from measurements taken of a fellow luthiers deck a few years back. The higher clearance makes it easier getting in under the top deck when working on items. I often leave a top with freshly glued braces clamped in the gobar deck for brace working.

    Youll notice my deck has an adjustable bottom floor. This is to allow adjustment for different height items that are being clamped.

    If youre using the Stewmac fibreglass rods then your probably best sticking to the Stewmac deck design. 600mm does seem a bit low but if you go for a higher deck then youll have to use longer gobars.

    I use wooden dowels as a cost saving measure....down side is they develop a permanent bend after a while and ocasionally they snap when flexed. Important to always bend the dowels away from you and I also wear safety glasses as an added precaution.
    Whatever note you blow youre never more than a semitone away from the correct one....(Miles Davis)

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    Hi Martin.

    I think your reply makes a lot of sence.I should have asked first!!.
    Looking at the stewmac site again,the distance between the top and bottom is 900mm (Woops) but the rods are only 600mm.

    I found the fibreglass rods cheaper than the dowels. The 5mm worked out about $3.00 per mtr.

    Anyway I might go back to the drawing board!!

    Greg

  10. #9
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    Greg,

    900mm sounds about right. If you like you can make the decks a bit bigger. I use LMI dished forms for my steel strings so the deck is big enough to take these forms.
    Whatever note you blow youre never more than a semitone away from the correct one....(Miles Davis)

  11. #10
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    Great pics. I actually saw this method in use at the Maton factory quite some years ago but never knew it had an actual name.

    Today hasn't been wasted as I've learnt something new .


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    Where are the Go-Go dancers?
    If I do not clearly express what I mean, it is either for the reason that having no conversational powers, I cannot express what I mean, or that having no meaning, I do not mean what I fail to express. Which, to the best of my belief, is not the case.
    Mr. Grewgious, The Mystery of Edwin Drood - Charles Dickens

  13. #12
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    The workshop is a "clean" area...the dancers are next door in the garage...the designated "dirty" area.
    Whatever note you blow youre never more than a semitone away from the correct one....(Miles Davis)

  14. #13
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    A very nice setup
    By the way thanks for the link to guitaraust
    Just changing the subject have you heard of Jim Redgate over at Noarlunga?
    He builds acoustics and sells them around the world
    Does very nice work
    dayvo

  15. #14
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    Yes I know of Jim. He's getting back on his feet after suffering a major fire in his workshop last year.
    Whatever note you blow youre never more than a semitone away from the correct one....(Miles Davis)

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