Smathermather's Weblog

Remote Sensing, GIS, Ecology, and Oddball Techniques

Posts Tagged ‘lutherie’

(Further) Refinements on the Tenor Guitar

Posted by smathermather on January 18, 2015

A couple more tenor guitar pictures.

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Refinements on the Tenor Guitar

Posted by smathermather on January 17, 2015

The following goes in reverse order and documents my current experiments in refining the top of the tenor guitar. No annotations this time, although I will say that the black filler is hide glue with pigment added — technically it’s “Old Brown Glue”, as it has longer open time than my traditional hide glue. I use it here both for filler and as a glue / filler.

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Lasers in Lutherie.

Posted by smathermather on January 2, 2015

 
More lasers in lutherie… . Now I’m just getting lazy with some of this work that could easily be done with a bandsaw and hand plane… . Sorry about the poor lighting.
 

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Moar guitarz

Posted by smathermather on December 22, 2014

More images tonight of guitarmaking. This tenor guitar is going to be pretty snazzy, I think. This is my second non-geo + guitar post. See this link https://smathermather.wordpress.com/2014/12/15/and-now-for-something-completely-different-guitarmaking-by-a-geo-geek/ for the previous.

Walnut Back, ready to joint. Wood on one side, and the aluminum on the other serve to contrain the boards horizontally. Two sticks are temporarily inserted under the board pieces to elevate them. Hot hide glue is slathered onto the edge, and then the two boards drop into place with gravity.

Walnut Back, ready to joint. Wood on one side, and the aluminum on the other serve to contrain the boards horizontally. Two sticks are temporarily inserted under the board pieces to elevate them. Hot hide glue is slathered onto the edge, and then the two boards drop into place with gravity.

 

Here is the follow up on the curly redwood top for the tenor guitar. I went to Cleveland Public Library, where they have a laser engraver in the basement to do some really outlandish cuts -- here some non-sensical dovetails, and a stopped rosette.

Here is the follow up on the curly redwood top for the tenor guitar. I went to Cleveland Public Library, where they have a laser engraver in the basement to do some really outlandish cuts — here some non-sensical dovetails, and a stopped rosette.

 

Another view of the soundboard.

Another view of the soundboard.

 

A close-up of the stopped rosette and soundhole.

See the close-up of the stopped rosette and soundhole.

 

It turns out, I had a whole lot of unjointed wood so I decided to joint it all in one evening -- a little practice to make perfect. This is a little croch walnut for a mandolin, ready to be edge joined.

It turns out, I had a whole lot of unjointed wood so I decided to joint it all in one evening — a little practice to make perfect. This is a little croch walnut for a mandolin, ready to be edge joined.

 

Here we see another close-up of the soundhole and rosette. Hoping to drop some other wood or shell into those slots.

Here we see another close-up of the soundhole and rosette. Hoping to drop some other wood or shell into those slots.

 

Sometimes you clamp boards down with whatever is on hand. In this case, it's most of my smoothing tools... an EC Emmerich smoothing plane, a Stanley knock off, a nice big 22 inch wooden plane, and my random orbital sander.

Sometimes you clamp boards down with whatever is on hand. In this case, it’s most of my smoothing tools… an EC Emmerich smoothing plane, a Stanley knock off, a nice big 22 inch wooden plane, and my random orbital sander.

 

A Sitka spruce soundboard ready to be jointed.

A Sitka spruce soundboard ready to be jointed.

 

 

 

Here I am starting to refine my jointing process with another Sitka spruce top.

Here I am starting to refine my jointing process with another Sitka spruce top.

 

Sanding blow out on the soundhole / rosette + piece of patch wood for said soundhole...

Sanding blow out on the soundhole / rosette + piece of patch wood for said soundhole…

 

Technique refined -- clamping is simple, and uses gravity above the joint of the jointing boards.

Technique refined — clamping is simple, and uses gravity above the joint of the jointing boards.

 

And thus we have a very nicely jointed board Sitka spruce board as a bookmatched pair. It passes the "candling" test handily (hold it up to the light, and look for light gaps).

And thus we have a very nicely jointed board Sitka spruce board as a bookmatched pair. It passes the “candling” test handily (hold it up to the light, and look for light gaps).

 

More smoothing tools as clamps...

More smoothing tools as clamps…

 

 

And here we observe a whole stickered stack of soundboards and backs on top of the basement freezer.

And here we observe a whole stickered stack of soundboards and backs on top of the basement freezer.

I hope you once again enjoyed this non-geo diversion. Until next time… .

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And now for something completely different… (guitarmaking by a geo-geek)

Posted by smathermather on December 15, 2014

Guitarmaking (a subset of lutherie) has been an alleged hobby of mine for quite a few years– from the moment I started my first guitar in 1996 or 1997. Over the years, I’ve continue to acquire tools and wood, and started a couple more guitars. I had lots of fire behind my workshop work 7 years ago. And then I got a new and wonderful job. And had a new and wonderful baby boy. And a few years later a new and wonderful baby girl.

Welp, been getting back in the shop in the last few days, and have some pics from assembly. I will build these out over time with explanations, and probably in a separate blog, but for now, you must suffer with unexplained photos re: the mysteries of lute making.

Curly Redwood Top -- jointed and sanded to thickness. This is the face of the future tenor guitar.

Curly Redwood Top — jointed and sanded to thickness. This is the face of the future tenor guitar.

 

Curly Claro walnut back -- unjoined. This will be the back of the tenor guitar.

Curly Claro walnut back — unjoined. This will be the back of the tenor guitar.

 

Joining the curly claro walnut back by cutting along the tops of the board with a plane.

Joining the curly claro walnut back by cutting along the tops of the board with a plane.

 

Curls of walnut from the German E.C. Emmerich Primus Plane.

Curls of walnut from the German E.C. Emmerich Primus Plane.

 

Jointed claro walnut boards reunited.

Jointed claro walnut boards reunited.

 

Animal hide glue, one syringe at a time. Animal hide glue can be a pain to use, but get a cheap hot pot like this, some syringes, and make your hot hide glue on the fly. It works beautifully, saves on lost glue, and gives the ideal joint. Animal hide glue is permanent (lasts hundreds or thousands of years) but will come apart with heat and water, and thus can always be repaired.

Animal hide glue, one syringe at a time. Animal hide glue can be a pain to use, but get a cheap hot pot like this, some syringes, and make your hot hide glue on the fly. It works beautifully, saves on lost glue, and gives the ideal joint. Animal hide glue is permanent (lasts hundreds or thousands of years) but will come apart with heat and water, and thus can always be repaired.

 

Sophisticated clamping devices (a pile of wood with a toolbox on top), framed nicely by a disgusting basement wall.

Sophisticated clamping devices (a pile of wood with a toolbox on top), framed nicely by a disgusting basement wall.

 

And... it was a bad joint, or badly assembled. Some parchment paper and an iron lets me separate and start over with no drama.

And… it was a bad joint, or badly assembled. Some parchment paper and an iron lets me separate and start over with no drama.

And that’s it. I hope you enjoyed. If not, back to Geo posts anyway… .

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