Word: shaft
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Dates: during 1960-1969
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Hanging Gardens. To do it, he simply designed the hotel around a great skylit courtyard that rises through the building's full 21-story height and is big enough, according to the hotel's ads, to contain the Statue of Liberty. Wrapped around the towering shaft of air on four sides is the hotel proper, layer after layer of rooms opening onto continuous interior balconies that take the place of traditional corridors...
...from Haddon by disclosing recall campaigns on its own. Thus, at the same time that registered letters went out to the car owners involved, Pontiac announced to the press last November that it was calling in 16,000 Tempest, GTO and Le Mans cars to correct a suspected steering-shaft misalignment. By February both Chrysler and Ford had adopted G.M.'s policy. Last month alone, automakers announced at least six call-backs involving more than 180,000 cars and trucks...
...Strategy. The terrain looked promising to the North Vietnamese. Near Khe Sanh, a shaft of the Ho Chi Minh trail comes out of Laos, headed by three hills that form an arrow. Hill 861 is the tip, aimed east into the heart of troubled Quang Tri province, around which some 35,000 Communist troops are drawn. Hill 881 North and Hill 881 South form the arrow's flukes. An area of choice coffee plantations and twelve-foot-high elephant grass, the Khe Sanh Valley was defended by a company of U.S. Marines guarding its airstrip and three companies...
Lockheed's rigid-rotor design, in effect, makes the whole shebang a stable flying gyroscope. The concept-rigid blades attached directly to the rotor shaft-was tried and dropped in the '20s; experimenters found that when they tilted the rotor to change direction, the whirling blades would tumble their machines like a gyroscope gone berserk. Ever since, helicopter makers have sacrificed simplicity and speed by using flexible rotor blades mounted on heavy, complex hinges. Lockheed picked up the all-but-forgotten rigid-rotor idea in 1957-and found a way to handle it: the pilot's stick...
Another Greenough dweller called it "the double shaft...