Word: duralumin
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...gales known to the windswept English coast. Under the terrific pull of a 50-mile-an-hour wind, she tore away the arm of the mooring mast. The damage inflicted was even worse than in the case of the, Shenandoah. The first of the 18 sec, tions of her duralumin framework was completely broken, the sixth badly damaged; the outer envelope was spent badly for one-sixth of the distance along the hull and hung in great folds as far aft as the letters painted on her hull. As an additional handicap, she had suspended from her cables two half...
...result of two years' steady development work. While every new device is constantly being tried and suggested, progress in aero engines seems to consist in improvement of existing features, with gradual changes only. The strongest steel alloys are used throughout. Many parts are made totally of duralumin. The valve mechanism of the overhead type is driven by a cam system and placed in a housing of the lightest possible construction. The cylinders are of larger bore and shorter stroke than the old Liberty motors so that the height of the motor is diminished. The exhaust valves working...
...loaded, the seaplane weighs 24,000 Ib. It has a span of wing of 87 ft. 6 in., a chord or width of 14 ft., a total area in its biplane wings of 2,400 sq. ft. The sturdy 60-ft. hull, built of the wonderfully light and strong duralumin, is lighter and less liable to soakage than the wooden-hull type of construction it Displaces, can keep afloat in the roughest sea. The wings, while fabric-covered, are also metal in their structure. Two huge Packard engines of 800 horsepower each revolve at 2,200 times a minute-hence...
Experiments are taking the form of all-metal dirigibles. The Stout Metal Airplane Co. has already built an "air Pullman," christened it Maiden Detroit and put it into passenger work over the city. The vessel is built entirely of a new metal called duralumin, said to be lighter than aluminum yet stronger than steel. Another builder was the Aircraft Development Co. Edsel Ford donated a Dearborn flying field to the two pioneer companies; while the Common Council of Detroit has started to acquire a municipal landing field on the Detroit River...
...different feather from mundane planes (which have wooden hulls, fabric wings, Liberty engines), this aristocratic bird has wings and body of duralumin-a new alloy, light as cork, strong as steel. It carries four passengers, has a special compartment for golf clubs and other week-end breakables. It will go 130 m. p. h., ten times as fast as the proudest, the tallest sailing yacht of bygone days...