The coming generation of 90-seat turboprops will be more powerful than the aircraft now garnering the most orders, the ATR 72. But some of the intending manufacturers are pushing more than others for high power, and therefore high speed and fast climb—at the cost of fuel efficiency. After what appears to have been a long internal debate, Avic wants a low power loading—and therefore high power: 5,000 kw (6,700 shp) from each engine—so the MA700 does not unduly interfere with jet ...


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