AEROSPACE: Shaving Costs With a Blade

Shaving Costs With a Blade

The worldwide market for airliners between now and the year 2001 is expected to be an astronomical $280 billion. To snare a hefty share of it, aircraft builders Boeing and McDonnell Douglas are scrambling to roll out new jets that are bigger, quieter and more fuel efficient.

The most radical departure is the propeller-driven craft that McDonnell Douglas has demonstrated for customers for the first time. The plane's engine, built by General Electric, contains jet turbines that drive two counter- rotating sets of stubby propeller blades. The new engine, to be put in use by 1992, is as powerful as a...

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