Word: fanjet
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Dates: during 1970-1979
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...most promising research is retrogressive. United Technologies is developing a "prop fan"-an eight-blade propeller driven by a jet engine. The blades look like warped boomerangs. They are more efficient for subsonic aircraft than the fanjet engines planned for the 1980s; on flights of up to 1,500 miles, the prop fan would be 40% more fuel economical, since a propeller is more efficient than jet thrust during climb-outs and letdowns. Even so, the boomerang has a problem: excessive noise. Furthermore, how can airlines lure passengers back to a prop after they have flown...
...biggest seller in the small-jet market is Cessna's Citation, a $725,000 twin fanjet eight-seater (including that of the pilot) with an average range of 1,230 miles; it was brought out early last year. In December Cessna delivered ten Citations, bringing last year's total sales to 52, and company officials expect to sell double that number of planes this year...