Word: airflow
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Dates: during 1930-1939
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...knot motor yacht Q. E. D., streamlined startler designed by and built for Dutch Airman Anthony Herman Gerard Fokker in his slickest airflow style, sank in the Hudson River near Yonkers, N. Y. Honeymooning on the borrowed boat were a bride and groom of five hours, friends of Fokker, when a fire started in an ornamental fireplace in an after cabin, spread quickly, driving honeymooners and crew overboard. At the launching a year ago, Designer Fokker mused: "I hope it will be obsolete within two years. . . . That is good. That is progress. Today there are too many yachts that outlive...
Chrysler comes in two series-Royal and Imperial. Principal change is the abandonment of the Airflow body type of last year, though its engineering principles are retained. The low-price Royal has been lengthened from 116 to 119 in. wheelbase, the Imperial from 121 to 125. Both have larger hydraulic brakes, bigger engines, redesigned hoods...
...whenever the pilot wishes. If an engine fails, the pilot merely adjusts the propeller pitch to 90°, which means that the blades feather (present a streamlined knife-edge to the wind), do not revolve. This is important because when a motor fails the airflow makes the dead propeller "windmill," which usually damages the disabled motor just as pushing an automobile forward with gears meshed but engine dead may strip the gears. Tried out on several military types by both army and navy, the new propeller last week won a fat contract from the Army-240 for an average price...
Presenting motion pictures taken in the NACA's new "superspeed" wind tunnel at Langley Field, Va., where airflow up to 750 m.p.h.* is possible, Dr. Lewis proved that at 575 m.p.h. the smooth flow of air over the wing top suddenly breaks away in a feathery "shock wave" which completely nullifies lifting power. Cause is an area of excessively compressed air, built up by the airfoil's passage. Same phenomenon occurs at the tips of propellers. Only chance for speed greater than 575 m.p.h. is a mechanism for changing wing and propeller shape when the plane reaches...
...with a V12 engine, it is currently made in only two models, a two-door sedan at $1,275 and a four-door at $1,320. Its body construction, like that of the closed Cord models, stems straight from Walter P. Chrysler's adventures in aerodynamics: like the Airflow Chryslers and De Sotos, the Zephyr has no conventional frame; wheels, engine and running gear are mounted directly on the rigid, trussed, steel body...