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  #16  
Old 09-07-2019, 06:39 AM
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Originally Posted by nacluth View Post
I’ve been looking for a side gig. Maybe custom coffins are a good fit.
Well, you already nailed the custom door stop market, so why not coffins. I am hoping it is a little too early for Steve though.
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  #17  
Old 09-07-2019, 11:44 AM
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Lemons and Oranges … what a combo! Must be a real treat to be in the aromatic shop these days. Congrats Jamie on your wood choices. Looks like this is going to be quite the unique guitar. And the Kinnaird SJ has a wonderful sound. Gonna be fun to watch.
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  #18  
Old 09-09-2019, 11:20 AM
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Thanks for all the interest everyone. Coffin designs will have to take the back burner for now because we have a guitar to build. Here’s a sequence of back construction shots.

First is the quartersawn cherry backstrip to offset the orange streaks in the Osage.




Next is the center seam reinforcement strip.




Then we’ll slap four back braces on to help hold the curved shape of the back.




And then a shot of the top bracing diagram. We build quite a few 12 fret guitars, but a 12 fret SJ is one of the less explored options from the buying public. Why I don’t know because there’s a lot of warmth to combine with power at this size. We’re happy Jamie decided to have us dig out the layout sheet.




Thanks everyone for following along.
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  #19  
Old 09-09-2019, 05:40 PM
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I've heard that Osage orange turns brown as it ages (the "before" picture that Steve posted is part way there). Can anyone document that bit of hearsay with pictures?
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  #20  
Old 09-09-2019, 06:01 PM
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We have a tall ship in town that was launched in 2001 - the schooner Sultana. All of her framing (ribs) were made with naturally curvy hedgerow Osage Orange. The local saying is that when you use it as a fence post, it lasts longer than the hole.

It is also called "Poor Man's Brazilian Rosewood". Here is a shot of a freshly made guitar (already toned down a little in color), then one about 2 years later to show the difference. It has changed very little in the 2 years since then.

https://www.flickr.com/photos/ruby16...7641029319394/

https://www.flickr.com/photos/ruby16...7641029319394/

it is a 3/4 size Gibson - like a Scout - with a 23-1/2" scale or so. Even so, it is quite loud. I am looking forward to building with it again. Scroll left and right for more pictures

Ed

Last edited by ruby50; 09-09-2019 at 06:10 PM.
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  #21  
Old 09-09-2019, 06:08 PM
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Originally Posted by nacluth View Post
Thanks for all the interest everyone. Coffin designs will have to take the back burner for now because we have a guitar to build.
I am sure Steve is happy to hear this!
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  #22  
Old 09-09-2019, 07:11 PM
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Quote:
Originally Posted by ruby50 View Post
We have a tall ship in town that was launched in 2001 - the schooner Sultana. All of her framing (ribs) were made with naturally curvy hedgerow Osage Orange. The local saying is that when you use it as a fence post, it lasts longer than the hole.

It is also called "Poor Man's Brazilian Rosewood". Here is a shot of a freshly made guitar (already toned down a little in color), then one about 2 years later to show the difference. It has changed very little in the 2 years since then.

https://www.flickr.com/photos/ruby16...7641029319394/

https://www.flickr.com/photos/ruby16...7641029319394/

Ed
Thanks for the photos, Ed. That looks like a sweet little guitar. I have to confess I like the aged color better, but then that's the way I feel about many tonewoods.
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  #23  
Old 09-09-2019, 07:30 PM
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Local osage?, looks nice. Port Orford cedar always smelled like lemon pledge to me when I would cut it, I love the smell.
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  #24  
Old 09-09-2019, 08:20 PM
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Lemon Pledge? Really? And didn't someone mention Vick's VapoRub?
Perhaps our olfactory senses are as individualistic as our auditory senses?
I'll have to go back to Jamie's top, and scratch and sniff. Bill, if you are right in your assessment, then I'll start finishing with Pledge in future! How fine if all guitars could smell like that.
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  #25  
Old 09-11-2019, 09:59 AM
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On to some rim assembly. The Osage is strong but bent fairly well into shape. Of course it doesn’t hurt to remind it who’s boss with a lot of clamps.




Jamie is no dummy. You get a big guitar; you make it easier on yourself with an arm bevel. Here is the 7-ply redwood blank I made up fit into place.




But it’s way too big to start with, so I shape it down to a roughly triangular cross-section.




Then I put the rim into our state of the art side profiler and turn it on. Approximately 850kcal later, the sides are ready for the back linings, and I’m ready for a cookie break.




Thanks for following along.
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  #26  
Old 09-11-2019, 04:21 PM
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Ryan

The sanding bar does not look like it has an arc on it - do you spin it to make a dome or do you run it up and down to make a cylinder?

Ed
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  #27  
Old 09-11-2019, 05:26 PM
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Ed, good question. It’s really just the perspective of the picture but there is a 15’ radius and sandpaper on the bottom of the bar. The “rails” of the form are tapered in a curved fashion from tail to neck block. This imparts the cross section of a curved cylinder that approximates a sphere.

Ironically on the top we use a true domed dish with sandpaper to impart an exact sphere to the linings. It’s like a snapshot into our building history.
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  #28  
Old 09-12-2019, 02:52 AM
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Looking great. Too bad that redwood sandwich won't be seen after the box is closed up. But the redwood aroma should mix in nicely!
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  #29  
Old 09-12-2019, 04:22 AM
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Looking good. That laminated arm bevel support looks very strong.
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  #30  
Old 09-12-2019, 07:40 AM
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Quote:
Originally Posted by j. Kinnaird View Post
Looking good. That laminated arm bevel support looks very strong.
You got that right, bro. Not only a perfect fit, but long grain in its entire length.
No spots of localized runout as there would be in a solid block. And it's very stiff as well as light in weight.
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