Word: hexcel
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Dates: during 1980-1989
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...such a marathon would clearly be a lightweight, efficient, flying fuel tank. Eighteen months and many sketches later, when Voyager assumed its basic shape, it was a textbook example of featherweight design and construction. The shell is made from quarter-inch-thick panels of Hexcel honeycomb, a resin-coated, paper-like polymer, covered with graphite fibers embedded in epoxy. The panels weigh just 4 oz. per sq. ft. but have remarkable tensile strength; the ends of the craft's thin, 110-ft. single wing can flex up and down as much as 35 ft. without breaking...
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