On Aug 22, 2009, at 11:56 AM, G Cousins wrote: > Yes, bows are dry heated to retain shape. Various woods require > various timings. (duh) > Most modern bow mfg. is in well controlled kilns. Traditional > Brazilwood & Pernambuco woods have a substantially different bend > differential time. A couple thoughts about bow wood (woods used for violin family bows): these are very high in resin and oils, far different in content and behavior from pine or maple. They certainly glue much differently. I suspect they respond much differently to heat, and that it is the resins that are particularly important in retaining shape. Methods pertaining to these woods would probably not be useful for piano keys or hammershanks. Experience shows that dry heat alone is limited in its effect when we want to bend and twist these items. Regards, Fred Sturm University of New Mexico fssturm at unm.edu -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://ptg.org/pipermail/caut.php/attachments/20090823/c94b0195/attachment.htm>
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