Word: radial
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...dive brought Builder Northrop the biggest Army aircraft order in years - no attack planes at a cost of $1,896,400. The new Northrops all-metal, low-wing monoplanes have a topspeed of nearly 280 m.p.h., will probably be powered with the new Pratt & Whitney Twin Wasp double-bank radial engines. Well pleased at his bargain was Builder Northrop as he handed Pilot Breese $8,000 for his 15 seconds' work...
...from Chicago's Curtis-Wright-Reynolds Airport at 2:02 a. m. one morning last week shot Lieut.-Commander Frank Hawks in a big all-metal Northrup mono- plane, powered by a 700 h. p. Wright engine, the first 14-cylinder, two-row radial engine in commercial use. At 4:22 p. m. a day later he set his plane down on the same field, climbed stiffly out to the cheers of opening day spectators at the Chicago Daily News-sponsored International Air Races. ''I'm not a bit tired," said he, despite the fact that...
...returned to Purnea with a report of "reasonably satisfactory" flying conditions in the Everest vicinity. That was all the Britons were waiting for. The two specially built Westland planes, shipped by boat from England and powered with supercharged Bristol Pegasus radial motors whose propellers had been torqued to provide maximum power development at 13,000 ft., were rolled out at 8:25 on Lalbalu airdrome. Into one stepped Douglas Douglas-Hamilton, Marquess of Douglas & Clydesdale. To focus the motion picture camera, fixed, electrically heated and aimed blind earthward, Col. L. V. S. Blacker, Wartime aviator, climbed into the fuselage...
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...