Word: whirlybirds
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Dates: during 1952-1952
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...Marine Corps is wrestling with many a problem of combat yet to come. In Korea they have already proved to their own satisfaction the benefits of armored vests, of close air support, and of helicopter lifts to front-line areas. Marine planners of 1952 are already using the whirlybird as at. least a partial substitute for landing craft...
...Culver City, Calif., mechanics wheeled out the world's largest known helicopter for its first test flight last week. As the 125-ft.-long rotor blade began to twirl, the monster whirlybird rose aloft and flew around the field at a height of about 40 feet for 8.9 minutes. The XH-17, built for the Air Force by Planemaker Howard Hughes, is designed to lift for short distances loads of several tons (e.g., artillery, bridge sections, tanks and trucks) by straddling them like a lumber carrier. Power is provided by two General Electric turbojet engines astride the fuselage plus...
...Bell's HSL helicopter, a huge, tandem-rotored affair powered by a 2,400 h.p. engine and carrying a crew of four. The new whirlybird's job will be to protect U.S. convoys from enemy attack by hovering over the ocean, dunking a special sonar buoy into the water to listen for subs...