Sunday, October 07, 2007

Ukulele Building, cont



Two views of the neck blank. The ukulele neck will be carved from this blank. The view of the top of the blank shows the black rod that is embedded in the the neck. This is a graphite rod, very light and as strong as steel. It will prevent the neck from bending from the tension of the strings.

Saturday, October 06, 2007

Ukulele Building, cont

The instrument I am photographing for this blog will be built of several woods. The sides and bottom will be of Koa, the top will be Alaskan White Spruce with the "bear claw" grain pattern. The fret board will be Ebony Wood and the neck will be Honduras Mahogany. Here is a article on Koa wood
Koa (Acacia Koa) by Hank Snider from the Ukulele by Kawika web site


"With the possible exception of sandalwood, koa is the best-known hardwood of the Hawaiian Islands. Acacia koa is a native forest tree, unique to Hawaii, and held inreverence. Koa means bold, a quality essential to the ocean-going vessels which were adze-carved from giant logs in Big Island forests. Koa was used by early European craftsmen in Hawaii to make western-style furniture of the last century, some of whhich survives as Hawaiian heritage antiques. Modern uses include some extensive employment in isolated commercial and government buildings, some production furniture made locally in small factories, and the limited output of a few score of individual craftsmen who make one or a few pieces at a time.

• Availability of this treasured wood has been declining largely because of lack of reforestation with koa following logging. The usual practice has been to replace koa with cattle, which prevent regeneration of the forest. This practice reduces the tax burden on the land, under current tax laws. The reduction of the supply of koa has resulted in a dramatic rise in the price, which is about five times higher than in 1980. In the past few years some replanting has started, which will perhaps lead to a sustained supply of wood in a few decades.

• The present conditions of restricted supply have led to some interesting results affecting the quality of available wood. Presently, koa is coming from a variety of small suppliers who take trees from different parts of the geographic range of koa. Thus the available koa is highly variable in appearance, depending on where it came from. Koa is remarkably multi-colored, with a variety of hues appearing next to each other in the same piece of wood, ranging from yellow or greenish-yellow, through orange, brown, and red, to almost black. The dominant color among the others differs in woods from different sources. The result is that one has a choice of finished pieces which range in color and appearance much more than a generation ago, when the dark red wood from a single mill on the Big Island dominated the market. Many prefer the lighter golden hues which retain their brilliance when shown in interior spaces with subdued lighting.

• The other remarkable quality of koa results from its curly grain. Most koa has a three-dimensional quality which draws the eye beneath the surface of the wood, making its surface seem almost transparent. In the choicest pieces these swirls and waves in the wood are truly spectacular. Despite its also spectacular price this curly wood is in great demand, and is carefully husbanded by fine craftsmen to create jewels of the forest which will be treasured for generations.

• During the past few years a source of koa wood for Oahu craftsmen has been trees in local forests which have been dying or toppling in windstorms. Some of these old mature trees have proved to contain wood of exquisite color and character, and every available scrap of the wood has been used to make items as small as pens and hair ornaments. This is a welcome source of wood for the environmentally aware, concerned and active people who would otherwise embargo the use of koa and other trees from the native forests of the Hawaiian Islands. These islands are the most isolated in the world, and have remained so for tens of millions of years. During this extended period a truly spectacular biota of unique plants and animals evolved here. From his initial arrival a thousand years or so ago, the activities of man have reduced the range of many species and resulted in the extinction of some. This process has accelerated with recent population increases and economic expansion. The use of windfallen trees, veneers, alternative hardwoods as well as conscientious wood-sparing designs are among the responses of wood workers to these concerns. Public policy decisions about tax strategies, reforestation, restriction of introduced plants and animals, and economic development will be crucial in preserving Hawaii's remaining unique biological heritage."
• Hank Snider, 1994

Ukulele Building, cont

Next we prepare the top and bottom. The top is made from two pieces and the bottom is made from two pieces. The pieces are laid side by side and glued together in a jig. Usually the two pieces were cut from the same blank. They are then placed side to side and the grain matched up to get the most attractive pattern. The edges that will be glued must be perfectly flat or they will not glue together properly. In this image Pat is sanding the edges of a set before gluing. The wood in this set is Koa.



Here are the two koa pieces in the jig. The bungie cord puts pressure on the jig which in turn forces the glued surfaces together tight.

Friday, October 05, 2007

Ukulele Building, cont


Here you can see the furring strips glued to the top sides. The furring strips provide a surface for gluing on the top and bottom. Furring strips are made from bass wood. Bass wood has almost no grain so it does not split as easy as most woods therefore it can be made flexible. The braces will also be of bass wood.

Thursday, October 04, 2007

Ukulele Building, cont


This picture shows the two sides being glued together



After the two sides are glued together they are placed into this forming jig.Note the jig is in two pices. The two halves are separated, the glued sides are placed in the jig. The jig is closed around the sides by turning the turnbuckles. This forces the sides to take the shape of the ukulele body. The next step is gluing the furring strips to the inside edges of the sides top and bottom while in the forming jig.

Tuesday, October 02, 2007

Ukulele Building, cont


Here you can see what I tried to illustrate with the previous diagram. You will have to click on this image and enlarge it to read the captions by the arrows. This was done with both Photoshop and Appleworks.

Monday, October 01, 2007

Gluing Diagram

Ukulele Building, cont


Here are the two sides bent to the shape of a tenor ukulele. Next Pat will glue the ends together using the blue block and clamps. The block are wrapped with blue masking tape to keep the glue from sticking to the block. Click on the image to see it bigger

Friday, September 28, 2007

Ukulele Building, cont


Not only does Pat make the ukuleles from scratch he also makes all the required “jigs” and there are several used in the construction of the instrument. This is a close up of the press he built and uses to bend the sides of the instrument. First the 3 inch by 20 inch thin piece of Koa was soaked in water.Click on the image to see it bigger. See that wider red plastic looking thing. That is sort of an electric heating blanket. It is made of rubber and it gets very hot while the rollers are being screwed down to force the Koa wood around the curves. As those rollers are slowly screwed down the Koa wood must be sprayed with water so that it doesn’t dry out and crack. This is where the extra set of hands comes in handy. It doesn’t take long maybe 5 minutes, then the now curved wood side is put into another jig to hold the shape while it cools and dries. Pat quickly bends the other side and puts it in the other jig. I will show you this next time. Stay tuned

Ukulele Building


Most of my loyal blog followers know that Barbara and our Granddaughter Clara and I take ukulele lessons and our Granddaughter Julia takes guitar lessons from Pat every Friday for an hour that usually goes for 2 hours. We love it. Pat has been playing the ukulele for 50 years and he is good at it, very, very good at it. He is also a very good teacher. Well, besides playing and teaching he also makes custom instruments to order. He has made over 40 and has several orders that he is trying to fill. He builds them completely from scratch. He does it all, starting with cutting up raw lumber. Some of the many processes are very difficult to do if you only have two hands, that is all Pat is equipped with. So he asked me if I would help him from time to time and for that he will teach me how to make a ukulele. We had our first session yesterday. This is a picture of Pat bending the sides. This is a piece of Koa, 3 inches wide and 20 inches long about 1/8 thick. It is bent wet. More to come, stay tuned .

Thursday, September 27, 2007

An Old Friend


I drug this old camera out of a box a few weeks ago. Planning on selling it on Ebay. To be sure everything was working I shot a couple of rolls of film with it. How nice it is to work with a really simple camera. This is a 1950s vintage Zeiss Super Ikonta 532/16. It makes 11 exposures on a roll of 120 film, 2 1/4 x 2 1/4 inches. On second thought maybe I will keep it.

Wednesday, September 26, 2007

Tuesday, September 25, 2007

Abandoned Mill


Part of what is left of the last sugar mill on the big island in Pahala

Monday, September 24, 2007

Sunday, September 23, 2007

Saturday, September 22, 2007

Local Lemons


I know these locally grown lemons are not very pretty but they sure are good. So much better than those bright yellow hard things that are offered in the big supermarkets with Sunkissed stamped on the side. But I don't think Safeway would ever put these ugly babies out for sale. What do you think?

Friday, September 21, 2007

Art Poetry Music


This was as far as I got on my Saturday walk about in downtown Hilo. After I took this shot it started to rain. So I walked into this store to find a place to sit and put my camera away. I had a nice conversation with owner. He is an artist and was busy working on a drawing.

Thursday, September 20, 2007

Tomatoes


We really do get great tomatoes here.

Wednesday, September 19, 2007

Greens


Hilo Farmers Market

Tuesday, September 18, 2007

Lava River Bridge

Every morning first thing, I check the USGS site to see what is going on with the lava flow. These two USGS pictures are so interesting (at least to me) that I want to share them with you. Somehow the lava river has made a bridge over itself and is flowing under the bridge. I am not sure you can see it in the small image but click on it and it will expand. Hot stuff!