Word: turbofans
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...1960s for the Air Force's giant C-5A cargo plane. The engine was the first to use a high- bypass technique in which a fan, working like a turbocharger in an automobile, pushes large quantities of air past the combustion core to produce much greater thrust. The CF6 turbofan (current cost: $6 million each) has broken the hold Pratt & Whitney had with its JT9D on the giant Boeing 747. GE has boosted production of its most powerful version, the CF6-80C2, from 110 engines in 1987 to 260 this year to meet a backlog of nearly 500 orders...
...even though sales of the 757 and 767 have been disappointing, Boeing is back at the drawing boards and wind tunnels working on the 7J7. Its selling point will be a revolutionary engine, called an unducted turbofan, that may increase jet-fuel efficiency by 35% to 45%. The new engine is expected to look like a futuristic eggbeater, bristling with twin sets of curved rotor blades that are exposed like propellers but face backward. Boeing is currently studying competing engine designs from General Electric, Rolls-Royce and Pratt & Whitney...
...minute meeting with Bush, Trudeau addressed the issue that concerns Canadians most: whether the U.S. will test the low-flying, turbofan-powered cruise missile in northeastern Alberta. The Prime Minister repeated his personal view that the U.S. should be allowed to conduct the tests on Canadian soil, but he told the Vice President bluntly that the full Cabinet had not yet given its consent to the project. Eager to defuse any tension, Bush later declared that President Reagan has "a driving, motivated desire" to achieve strategic arms reductions with the Soviets. He also acknowledged that Canada's agreement with...
...others were listed in serious condition. Investigators from the National Transportation Safety Board, assisting Spanish and McDonnell Douglas experts, thought the vibrations may have come from one or more blown tires. Another possibility: a failure in one of the DC-10's high-pressure, high-velocity turbofan engines. At week's end no one was venturing a definitive verdict...
...plane lifted off ("rotated," in pilot's jargon), a controller in the tower knew that something was wrong. "Do you want to come back?" he radioed the pilot. There was no answer. Captain Lux and his crew were far too busy. The aircraft's left turbofan engine had broken out of its moorings and fallen onto the runway. Normally the loss of one engine's power would not have been fatal; the aircraft is designed to function on just two engines even during takeoff...