Word: titanium
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Dates: during 1970-1979
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...more economical on fuel. But the Hyfil blades were vulnerable to damage by birds drawn into an engine during takeoff or flight. A 4-lb. bird makes an impact equivalent to two tons on a spinning turbine. Engineers are working to strengthen Hyfil, but Rolls-Royce has switched to titanium blades like those used in American engines...
...France, he had taken notes on four boats and two of the best U.S. designers. Even then, there were almost insurmountable barriers. The America's Cup rules specify that most items in a boat's equipage must be produced in the challenging country. Thus the extruded titanium masts and polyester sails that are standard on U.S. boats were ruled out because France does not produce such things. As for the mammoth "coffee grinder" winches vital for racing twelves, no one had seen anything like them in France. Bich had to design and handcraft his from scratch...