Word: aero
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Dates: during 1920-1929
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...Pole while he is in that neighborhood next summer. If he does, he may have company. Last week, a radio despatch from the steamer Pram, plowing through cold seas for Kings Bay, Spitzbergen, reminded the world that Captain Roald Amundsen, after cruel vicissitudes (TIME, Nov. 24), had got an aero-arctic expedition underway...
...aero engine must meet much severer requirements than the automobile engine. It must work at a greater proportion of its full power most of the time, it must be more compact, more reliable, and above all it must be lighter...
...horsepower locomotive may weigh 20 or 30 tons. A small Ford motor weighs over 200 pounds and develops only 25 horsepower or so. The Liberty motor weighs 873 pounds for its 400 horsepower, i. e. a little over two pounds per horsepower. The great object of the aero-engine design is to achieve the truly wonderful goal of one pound per horsepower. This is almost attained by the two new Packard motors, descriptions of which have just been made public by Mr. Macauley. The smaller of the two develops 500 horsepower at 2,000 revolutions per minute and weighs...
This is the 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...
...make a transoceanic flight, going from Rockaway, L. I., to Plymouth, Eng. During the War, his company built large numbers of planes-after 140 different models- for the U. S. and other Governments. His flying rating is suggested by the fact that he holds license No. 1 of the Aero Club of America and license No. 2 of the Aero Club of France. He is active today as head of the Curtiss Corporations at Garden City-sky-writing being one of his recent departures...