Word: turbofan
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Dates: during 1960-1969
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Price also seemed to be the key reason behind the choice of engines for United's DC-10s. All the planes to be built by Lockheed will be powered by British Rolls-Royce turbines. United, however, opted for General Electric's CF6/36 turbofan at slightly over $2 million per plane, putting the U.S. enginemaker a bit below Rolls. It is a price that may well move American to choose G.E. engines...
Electric and Pratt & Whitney; the Rolls RB-211 turbofan was the engineers' choice because of efficiency and lower noise levels. But at $2,500,000 a plane, the British-made engines meant a $235 million drain on the U.S. balance of payments. Lockheed solved this with an arrangement in which Ah" Holdings will sell 50 of the early L-1011s abroad. This will bring in $625 million for a favorable U.S. balance of $390 million, and further sales in a market estimated at 1,000 planes by 1980 could raise the U.S. excess to well over $5 billion dollars...
...whiz along for under 1? per passenger mile-less than any existing jet. That efficiency, and the fact that it can use runways too short for smaller, four-engine airliners, is the result of the plane's major technological advance: Lockheed will use three 33,000-lb.-thrust turbofan engines (two mounted under the wings and one in the tail) like the ones slated for its huge C-5A military transport...
...Fairchild Miller's development costs will be shaved in half. In addition, the U.S. company will sell the F28 in the Western Hemisphere, purchase such F228 components as the tail assembly, wing segments and a shortened fuselage from the Dutch, and will use Rolls-Royce turbofan engines that have been specifically designed for the F-228. The company, as a result, hopes to keep its cost $1,000,000 below the $3,500,000 to $4,000,000 price tag of competing compact jets...
Swinging Wing. The TFX-now known officially as the F-111-is something of a pioneer aircraft. The two-man, 1,650-m.p.h. plane is equipped with the world's first afterburning turbofan engines, has a revolutionary swing-wing-the sort envisioned in one of the designs for the nation's first commercial supersonic transport. The wing, which is crucial to the multipurpose role planned for the TFX, enables the plane, in effect, to redesign itself in flight. The plane sweeps back its wings in a dartlike configuration for supersonic flight, extends them to full span to slow...