Gibson CS356 build

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EricDownunder
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Re: Gibson CS356 build

Post by EricDownunder » Fri Mar 22, 2013 7:15 am

A little advise please, a good friend of mine recently asked me to build him one of these using teak for the back and neck and maple cap, he has the teak around 100 years old plus he says, I am concerned the waxy nature of teak bonding pieces together could give me problems also sound quality, I have no problem making electrics I am currently teaching my son-in-law how to do his builds. Any advise on this I would greatly appreciate.
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charangohabsburg
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Re: Gibson CS356 build

Post by charangohabsburg » Fri Mar 22, 2013 7:34 am

Nick wrote: Once this was done everything that was going to be on the inside received a coat of sheilding paint to stop any excess hum/interference, so all that "nasty water staining" has disappeared on the inside at least Marcus! :wink:.
Oh, I am sure you feel much better now! ;)
But hey, this top looks now like a sieve, Swiss cheese is solid rock compared to this! A few more holes and the "water stains" will be gone also on the outside! :shock:

Very nice work Nick :cl. And progress is much faster than on a marimba prototype, isn't it.
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Nick
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Re: Gibson CS356 build

Post by Nick » Fri Mar 22, 2013 8:36 am

charangohabsburg wrote: And progress is much faster than on a marimba prototype, isn't it.
By a factor of at least 50 Marcus! Not as much fun as an acoustic build but the results come together a lot quicker.
EricDownunder wrote:A little advise please, a good friend of mine recently asked me to build him one of these using teak for the back and neck and maple cap, he has the teak around 100 years old plus he says, I am concerned the waxy nature of teak bonding pieces together could give me problems also sound quality, I have no problem making electrics I am currently teaching my son-in-law how to do his builds. Any advise on this I would greatly appreciate.
I've never built with Teak Eric but I had a friend who once did a yacht using Teak to clad his deck & yes the oily nature of it was one of his grumbles but he overcame it by using epoxy (Wests system in his case) as his glue. One way around your problem maybe? Not sure how it would take a finish other than an oiled one either :?
Others who have used Teak (Maybe Rob "Auscab") for furnishings e.t.c may be able to offer much better options or advise Eric, they may chip in if they are looking at the thread or if not, you could start a new thread with your question.
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Nick
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Re: Gibson CS356 build

Post by Nick » Wed Apr 03, 2013 1:54 pm

OK where was I? I'd almost forgotten what I'd called the post it has been that long since I last posted! Didn't do much over easter break, decided to keep in sweet with the boss so we did "couples" things all weekend. I mowed the lawns while she pointed out the bits I'd missed, you know,that sort of thing :wink:
Next trick was to rout the binding channels. I'd done a Telecaster some years back with a similar tobbacco burst that I want to do this build and I'd just used a single Ivoroid binding on that, no purflings or anything so the channel was an nice simple thing to cut.
I 'adapted' a cradle I originally used for Archtops when routing the channel in my jig. Fortunately I'd built in a fair bit of adjustment when I first made it so this is the third size of guitar that I've been able to fit into this cradle :D It just needed a little packing under the feet as obviously the body was nowhere near the depth of an acoustic.
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Yeah I know, that is a cheap arse Ozito brand router you can see on my routing jig :shock: :oops: but they're as cheap as chips, variable speed and seem to be fairly good in the bearings so I don't get any chatter in my cuts and if it burns out, I will just go and get another without crying because I haven't just burnt out my good router.
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Channels cut and......
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the right size :D I like to go slightly deeper to allow for any glue thickness and also because it's only a single line binding, I like to scrape the side down to the binding rather than the other way round because then you end up with a 0.040" & under binding rather than the 0.060" it started out as.
While it was still in the cradle I went to the smallest bearing size in my binding cutting set and machined a ledge for the cavity coverplate to sit in.
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Bindings glued in and a hole machined for the battery box for the various 'active' components (the Control X unit for the T Bridge & magnetic pickups ((which allows you to either blend the two signals, run magnetics only or the undersaddle transducers only or run the two signals seperately into in stereo channels)) & also an N-Tune) Hopefully the battery drain will be moderate or I'll have to run two batteries :shock:
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and a closeup after the sides have been scraped down to the binding.
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I finished off the body by drilling all the little screw holes, mounting holes e.tc so the body was essentially in a finished state & I've put that to one side until the neck's ready for fitting & gluing. So it was onto the neck, I've done my usual and laminated two pieces of Sapele, I find this method easier than making a one piece for some reason, maybe because I can bandsaw the shape complete with headstock angle and I don't need to add 'wings' for the headstock ears as it's usually plenty wide enough. It may or may not be technically stronger and I'm not advocating this to be the better method than a one piece, it's just something I've always done.
Here I've joined the two 50mm wide 'halves' & planed my two reference faces (the face where the fingerboard glues on and the headstock face) parallel to each other & I'm gluing on a fingerboard stop.
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Any body familiar with Benedetto or read his "How to make an archtop" book will know what I'm talking about. It's just a little scrap piece of spruce 10mm (3/8") wide that glues on at the nut position, this means that you have approximately 10mm of 'flat' area between the end of the fingerboard and where the headstock angle meets. Once the glue's dried you chisel off the excess then clean it up at the same angle as the headstock so that the headstock veneer will eventually continue right up to the fingerboard (only to be chiselled out later for the nut!).
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The idea is that the headstock binding will come up and meet the fingerboard binding at exactly the end of the fingerboard/nut point so that it looks like a continuation of the fingerboard onto the headstock, it's really good if you have purf lines as these look like they run continuously from the fingerboard, under the nut then onto the headstock. (sounds more confusing than it really is but if you're having trouble visualising what I mean, pictures to follow at a later date :wink: )
Fingerboard is cut and slotted for the Gibson 24.75" scale & bound with the Ivoroid, just waiting for the Gold EVO fret wire (I fret off the neck). Because the L R Baggs T Bridge has a set radius I had to radius the board to a 14" instead of my usual 12 :cry:
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Next step will be to machine the tenon into the neck to match the body slot and then do all the work at the headstock end, it's coming together. Hope you are enjoying the build so far. :D
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68matts
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Re: Gibson CS356 build

Post by 68matts » Wed Apr 03, 2013 2:48 pm

Hope you are enjoying the build so far.
Hell Yeah!!! :D
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Nick
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Re: Gibson CS356 build

Post by Nick » Mon Apr 15, 2013 10:37 am

Slow progress but there is progress!
Neck slot has been cut and headstock shape cut in with the router.
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Tongue has been cut and I'll fine fit to eliminate any gaps e.t.c around the body joint once the neck has been trimmed and shaped but it does still fit reasonably well at this stage just for a 'rough' fit.
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Now to explain a bit easier, with pictures, the reason for the fretboard stop I tried to explain earlier :oops:
With the bound fretboard sitting against the stop, it gives you a bit of material to make a decent binding channel on the headstock face, the bottom edges of the binding matches up. (Doesn't matter too much in this case but if I was to run purflings along under the binding, this gives the look of a continuous run of purfling between the two different planes).
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Binding ledge cut
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And sitting the headstock binding in it's ledge, not fitting perfectly yet but you get the idea
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and neck taper roughly bandsawn
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I've got further than this (fingerboard has now been fretted and glued to the neck stock, truss rod cover hads been added & headstock bound) but haven't taken any photos yet, I'll add these in the next couple of days. Next job will be to cut the nut slot and shape the neck :D
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Re: Gibson CS356 build

Post by nnickusa » Mon Apr 15, 2013 8:56 pm

I really like that treatment at the nut transition. Very elegant.

And, I'm engrossed in the build as well. As I'm going to use plastic bindings on one in progress, can you, when you get there, detail the finishing process, please? If I recall, you said it would be dark on the back and sides?
I wish I was half the man my dog thinks I am....

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charangohabsburg
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Re: Gibson CS356 build

Post by charangohabsburg » Mon Apr 15, 2013 9:34 pm

Nick wrote:[...] not fitting perfectly yet but you get the idea
Just make sure to line up properly that ivoroid figure. :shock: ;) :lol:
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Great job so far Nick (as usual).
The possibility to use the design-simplifying little wedge is a very good technical reason for a bound headstock. :cl
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Re: Gibson CS356 build

Post by Nick » Wed Apr 17, 2013 12:36 pm

nnickusa wrote:And, I'm engrossed in the build as well. As I'm going to use plastic bindings on one in progress, can you, when you get there, detail the finishing process, please? If I recall, you said it would be dark on the back and sides?
After these next few pics Nick I'm going to do that. Just for the benefit of anybody that hasn't done it before or the forum archives in general (bursting that is....& as in painting, not as in blowing a fufu valve after too much Italian food :wink: ) , I thought I'd make a seperate post in the tutorials section, it'll be linked to this post though to retain some continuity. May be old hat for some on the forum and there's methods all over the net about how to go about it but I figured it might be nice to have a bit of a tute on the ANZLF.
charangohabsburg wrote:Just make sure to line up properly that ivoroid figure. :shock: ;) :lol:
It was pretty close Marcus when I did it but after all that, without the contrast of a purf line under the nut it just didn't look right with the bone nut sitting on top of a thin line of Ivoroid (bit like a patchwork quilt!) so I ended up taking the cut right down to the bottom edge of the binding so the bottom of the nut is flush with the bottom of the binding :roll: I had all good design intentions until I actually saw it "in the flesh" :oops: .

So I bound the headstock with the Ivoroid binding, cut my pearl Sig and inlaid it (gold MOP which doesn't look much at the moment against the white maple face but the headstock will have a small burst which is when the MOP should stand out). Also made a truss rod cover that sits flush with the headstock face and is located with a small wood key (block) thats the same width as the truss rod slot, the cover is then held down with a small rare earth magnet.
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It looks like a large gap around the cover but I glued a 2mm thick piece of BRW on the back of the 1mm thick Maple & then chamfered the edges so with a bit of finish on it should show up as a nice dark brown border.
Next step was to shape the back of my neck, I left it a smidge oversize at the heel so that once it was glued in I could scrape & sand it flush with the body.
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I left just enough clearance between the neck tenon & body mortice to allow the glue to get in there without it all being squeezed out but still allow the neck to locate without slop. Then the moment of no return! slapped some Titebond on the Tenon and went for it. After the glue had dried & clamp removed I flushed up the sides of the heel with the body.
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And it was altogether :gui . It's one of those moments that feels like I should have a bit of a roof shout (that moment after the builders have put the roof on the new house, don't know if Aussie builders share this tradition?)
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I was interested to see a difference in the Sapele. I ran out after making the body so got some more to make the neck, it was quite a bit darker and seemed to work without the tendancy for tearout and 'stringiness' that I had to be aware of in the body.

Anyway the next step is staining the body (Tobacco burst the top & a dark tobacco back & sides) so I'll stop the build post for now & continue the next step in the tutorial section so if you are interested, keep an eye out for it, I should have something up there within the next couple of weeks.
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Re: Gibson CS356 build

Post by nnickusa » Wed Apr 17, 2013 2:59 pm

Shit hot stuff as always......I'll be following in the other thread.....
I wish I was half the man my dog thinks I am....

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Nick

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Re: Gibson CS356 build

Post by rocket » Thu Apr 18, 2013 7:14 pm

I see you've used the same crappy , water stained, boring timber on the headstock Nick!! :lol: :lol: , nice to see you've matched it with the belly, looking good man, i love the cutaway and the shape of the horns. What process did you employ when making your poly carb routing templates? nice fret job what's the radius? Evo gold jumbo wire?.
In days gone by when a gang of chippies pitched a roof they'd nail a branch of a tree found locally to the ridge and go to the pub to celebrate the achievement. These days most carpenters don't know what it's like to stick build a house frame let alone cut and pitch a roof, the whole bloody lot comes on a semi and is craned on site.
Enjoying this thread Nick.

Cheers.
Rod.
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Nick
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Re: Gibson CS356 build

Post by Nick » Fri Apr 19, 2013 8:48 am

rocket wrote:I see you've used the same crappy , water stained, boring timber on the headstock Nick!! :lol: :lol:
Yeah it's a real pain Rod, I thought that when I applied the water that is mixed in with the stain and gave it a good rub, it would rid me of this cursed water marked patterning but bugger me, it's only made it worse! :shock: (You'll see what I mean when I post my finishing process in the tutes section) must be deeper into the surface than I thought!
The headstock was actually a seperate headplate veneer purchase I made from fine-woods.com but it matches quite well, the patterning is slightly different obviously but the two are far enough apart that dogs balls don't enter your mind when looking at it.
rocket wrote: i love the cutaway and the shape of the horns. What process did you employ when making your poly carb routing templates?
I just marked out where I wanted my 'hole' on an acrylic blank (I used the commercial plan and just laid the acrylic over the top and basically traced it out with a permanent marker) and cut into the shape with the bandsaw (red circle) from the butt/tail end of the shape, somewhere where it wouldn't matter if there was 'slight-if-any' glitch in the internal wall then cleaned the cut up with a file. The pattern was screwed to the wood (outside the profile of course :oops: ) so I had no problems of my little 1mm cut opening up.
Pattern Cut.jpg
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rocket wrote:nice fret job what's the radius? Evo gold jumbo wire?.
I haven't actually touched the frets yet :oops: That's just "as pressed in" (I fret off the neck), the normal radius Gibson uses for the 356 is a 12" but the LRBaggs "T" bridge I'm using on this comes with a 14" radius so the fingerboard employs the same and yes it's the Evo gold wire, LMI's stock code is FWG110 but it's equivalent to anybody else's Jumbo wire. I personally prefer the bigger profile wire, I have a fairly light touch when playing so I don't run into the problem of oversharpening notes if I pushed down too hard and my fretboards stay relatively 'unharmed'in the process of making music. :wink:
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