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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: Quartersawn Wood

Questions: Quartersawn Wood

by Alan Ollivant

Originally published in American Lutherie #74, 2003 and Big Red Book of American Lutherie Volume Seven, 2015



John Forcade of Poulsbo, Washington asks:

I have acquired six large maple rounds and would like to quartersaw them and let them dry out for a few years. They are about 45" long and 3' in diameter.

I am not an experienced woodworker so I am looking for some specific directions on how to quartersaw. I would assume I am going to have to split the rounds into fourths by hand and then cut a board off one face, then cut the next board off the opposite face until each quarter is completely cut? Am I on the right track? Also, once I split each round open, how can I determine the quality of the maple? Am I going to be primarily looking for figure? If the wood is good and I keep it, how long should I let it dry before using it? Should it be kept in a controlled environment from day one?

I also have some koa from the big island. What differentiates quality koa from average koa?

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Questions: Ebony Tailpiece Cracks

Questions: Ebony Tailpiece Cracks

by Ted Megas

Originally published in American Lutherie #73, 2003 and Big Red Book of American Lutherie Volume Seven, 2015



Susan from cyberspace asks:

I have a new custom-made archtop and the ebony tailpiece has developed a few very thin/small cracks. Should I use lemon oil on it? I have a humidifier in the room, but it seems impossible to keep the humidity at a constant level.


Ted Megas of Portland, Oregon responds:

I would be concerned that the structure of the tailpiece is undermined. A cracked tailpiece is potentially a very dangerous situation, since it’s under a lot of tension. I’ve even heard of tailpieces exploding. Lemon oil will neither fix the cracks nor prevent further cracking. You need to be in touch with the maker of the guitar or a reputable repairperson.

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Meet the Maker: Kevin La Due

Meet the Maker: Kevin La Due

by Cyndy Burton

Originally published in American Lutherie #81, 2005 and Big Red Book of American Lutherie Volume Seven, 2015



The fall colors of upstate New York were in full regalia as my sister and I drove towards Binghamton, New York, to meet my niece for lunch. She had just started a new job at nearby Vestal High School, where she’d met a teacher named Kevin La Due, who is teaching high-school kids to make guitars. It sounded like a story asking to be told.


Please tell me about your program.

I teach two sections of lutherie per year, one each semester, which distills down to about sixty class hours each semester, not really enough time to make a guitar. Most students work extra time before and after school and during their free class periods. Although about fifty students apply, we only have room for fifteen seniors at a time because of facility, prep time, and budget limitations.

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This article is part of our premium web content offered to Guild members. To view this and other web articles, join the Guild of American Luthiers. Members also receive 4 annual issues of American Lutherie and get discounts on products. For details, visit the membership page.

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