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The Great White Sitka

The Great White Sitka

by Jeffrey R. Elliott

Originally published in American Lutherie #32, 1992 and Big Red Book of American Lutherie Volume Three, 2004



In February 1992 friend and fellow luthier John Sullivan and I drove from Portland, Oregon to Elma, Washington to pay a hands-on visit to Steve McMinn’s Pacific Rim Tonewoods, Inc. (The business has since relocated in Bellingham, Washington.) We went for the experience. Steve suggested we bring some rugged clothing and a camera. We discovered why when we arrived to the incredible sight of a gigantic Sitka log 26' long by 11' across at the larger end. A great white whale came to mind. The photos tell the story.

For the next couple days, my body reminded me I’d had a real workout. But it felt good because it reminded me of what a great time we had and how fortunate we were to have a hand in turning this huge spruce log into top wood. Steve’s whole operation is very well thought out, very organized, and a pleasant place to work. He’s obviously committed to producing high quality instrument woods and nothing is wasted. This experience also gave me an appreciation for how much work goes into producing one top and why “ideal” tops are so rare. ◆

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Solving the Maple Problem

Solving the Maple Problem

by Rolfe Gerhardt

Originally published in Guild of American Luthiers Quarterly 6, #2, 1978



Finding a good and consistent supplier of find fiddleback (or of other kinds) of maple has been one of the greatest problems in my mandolin building. The solution to the problem was the country’s best gunstock suppliers — Kenneth E. Thompson of Slippery Rock, Pennsylvania.

I used to buy the prohibitively expensive imported violin wood for backs, but even the most expensive pieces just did not seem right to me in terms of character or figure. And finding pieces large enough to make necks out of was something altogether else. I started buying maple muzzleloading gunstock blanks, the “tiger-striped” ones as they call them. They were good wood; they had to be for these custom guns, and they had to be dried just right for a gunstock where warp is as critical as in a musical instrument. I started checking the sources of these gunstocks, and after several months worked my way back to Ken. That was four years ago, and one heck of a lot of wood ago.

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Kiaat and Tambotie

Kiaat and Tambotie

by Ron Bushman

Originally published in American Lutherie #90, 2007



During a trip to South Africa in 2002, I was fortunate to spend some time with Rodney Stedall, president of the Guild of South African Luthiers. Rodney gave generously of his time and took me to a local lumber dealer where we climbed atop huge stacks of indigenous woods. I selected several planks of kiaat and tambotie which he helped me prepare to carry back to California.

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Kiaat

Kiaat

by Rodney Stedall

Originally published in American Lutherie #90, 2007

 

Kiaat (Pterocarpus angiolensisis) is found in south-central Africa. It is from the same family as padauk (Pterocarpus soyauxii) which is known to be a good tonewood with sound properties somewhere between Brazilian and Indian rosewood according to the LMI catalog. It does not have as intense a red coloring as padauk but varies in color from a pale uniform brown to having irregular reddish/orange streaks and occasional flame. It has a fairly large percentage of oatmeal-colored sapwood of an inferior quality. This is generally eliminated when building guitars. Grain can be quite variable, from wavy to straight. It has excellent drying properties and dry weight is about 640KG/M3. Its strength is generally about 30% lower than padauk. It cuts, sands, and bends easily. It is moderately porous and takes any finish or polish well.

Kiaat is freely available in lumberyards in South Africa but it is very seldom quartersawn and of the necessary guitar back dimensions as is required for guitar making. Luthiers spend hours searching through piles of wood stock to find suitable size, grain, and cut.

The sap of the kiaat tree has cultural and medicinal significance. The red sap is mixed with fat and used as red face paint in tribal rituals. It has been believed to have magical healing powers especially concerning blood disorders as well as other medicinal uses. ◆

Seeking lutherie wood in southern Africa. Camel thorn trees in Botswana. Both photos courtesy of Mervyn Davis.
Crossing the Zambezi River.
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Questions: North American Wood

Questions: North American Wood

by Mark French, Ned Steinberger, and Alan Carruth

Originally published in American Lutherie #94, 2008



See also,
Questions: Nontropical Fingerboard Materials by Tom Theil



Larry L. from the Internet asks:

I’ve noticed that my choices in materials have evolved over the years to favor wood from North America. At this point I’d like to take the final step and eliminate all tropical hardwood. The two fingerboard materials that make the most sense to me are phenolic impregnated paper or cloth (Garolite, Micarta) and phenolic impregnated wood (Dymondwood, Pakkawood, Staminawood). I think I understand issues with machining these materials and fret installation, but I wonder how differential expansion/contraction with changes in humidity will affect the stability of necks with wood shafts and fingerboards made of these materials. Does anyone have experience here?


Mark French from West Lafayette, Indiana responds:

Any time you have differential expansion of two materials that are bonded, you have the possibility of large deformations. For example, one type of thermometer works by having a coiled bimetallic strip inside. When the temperature changes, the end of the coil moves a needle.

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