HEADLINE NEWS
Pratt to Ground Test Advanced Ducted Prop Demonstrator in 1991
HARTFORD, CONN. Pratt & Whitney and its partners will begin tests in late 1991 of an ultrahigh bypass, 50,000-lb.-thrust-class technology demonstrator engine that incorporates a single, geared, reversible-pitch fan that has a diameter of 120 in.
By STANLEY W. KANDEBO7 min