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Each kit contained a 3-view plan, balsa wood cement, two bottles of colored aircraft dope, a strip of bamboo for wing and landing gear struts – this was considered relatively good value for such toys at that time. In 1933, demand for the kits were high enough as to enable Guillow's to move out of the family barn where it had started, and into ...
Berkeley Models, Inc. was an American company that manufactured model-airplane kits that pioneered such firsts as the nation's first gas model plane kit, and which became one of the industry's leading companies. Founded in the Brooklyn borough of New York City, New York, and later based in West Hempstead, New York, it lasted from 1933 to 1962.
The wood, typically balsa and light ply, may either be cut with a die-cut or laser. Laser cut kits have a much more precise construction and much tighter tolerances, but tend to cost more than die-cut kits. Wood kits include the raw material needed to assemble the airframe, a construction manual, and full-size plans.
The long-term buoyancy of balsa logs has been called into question. Prior to the voyage across the Pacific Ocean of the Kon-Tiki in 1947, scholars often argued that balsa logs absorb water so quickly that long voyages were infeasible. Heyerdahl, however, used green balsa wood logs for a voyage of 101 days on the Kon-Tiki.
Three different sizes of balsa wood stock. Balsa lumber is very soft and light, with a coarse, open grain. The density of dry balsa wood ranges from 40 to 475 kg/m 3, with a typical density around 160 kg/m 3. [5] [6] [7] Balsa is the softest wood ever measured using the Janka hardness test (22 to 167 lbf). [8] The wood of the living tree has ...
Building balsa wood bridges as a part of a unit on statics, structures, forces, or construction trades is used by teachers to make the learning environment hands-on and to give students a real-world example of material covered in class. The building of balsa-wood bridges is often used as an educational technology. It may be accompanied by a ...