Word: radial
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Dates: during 1930-1939
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Last week Pratt & Whitney boasted that it had produced the most powerful aeronautical engine in the U. S.-800 h. p.† It is a Twin Wasp, with 14 cylinders in two concentric radial banks of seven cylinders each. Weight: 1.36 Ib. per h. p. Pratt & Whitney began experiments in increased power four years ago, decided on the two-bank radial design largely because it offers no more head resistance than the ordinary single-bank type. Observers guessed that the Twin Wasp would be installed in the new high-speed Boeing transports for United Airlines, and in the giant Sikorsky...
...since 1926) to develop seaplane engines adapted to racing. These are cylinder-in-line machines of 2,600 h. p., perfectly streamlined. Such an engine may have a life of only one hour at top speed. Builders of landplanes, particularly in the U. S., have clung to radial engines of a few-hundred horsepower which, while they offer much more head resistance, are generally preferred for commercial and military flying. Such engines can fly great distances. Some observers believe that with more powerful radial engines, the advantage of retractable landing gear will enable landplanes to fly faster than seaplanes, which...
...they dance, while the drums beat louder & louder. If more snakes are below in the kiva the carriers drop their snakes into the arms of the grey priests and go back for more. Women run out into the square, sprinkle corn meal on the ground in a circle with radial lines extending in the six directions of Indian astronomy. They shrink back. The carriers fling their snakes into the circle. The snakes writhe one upon another, sometimes try to slip away. Suddenly several Hopi rush into the circle, fill their arms with snakes and run off, out of the village...
...Vought Corsair with a Pratt & Whitney radial engine of 14 cylinders built in two banks of seven cylinders each, back to back, to deliver 625 hp. from 14 cylinders, with the head resistance of only seven cylinders...
...began, Mr. Lawrance was already attacking the problem of reducing the weight of aircraft engines, then all water-cooled. He enlisted in the Navy as a machinist's mate, was soon commissioned ensign and assigned by the Navy Department to aeronautical research. There he evolved the radial air-cooled motor which was to be the basic pattern for today's Whirlwinds...