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How to Bend Balsa Sheeting and Stringers
In an excellent, approximately 9-minute video by Mark Robinson, the use of an ammonia-based cleaning liquid is used to soften balsa so that it can be bent into custom shapes for use in the construction of an RC model (first 7 photos courtesy of Mark Robinson). The ammonia softens the lignin in the wood, and the wood retains the shape it is jigged in once the liquid evaporates from the wood. When using this method,...
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