Word: turboprops
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...TURBOPROP PLANES for businessmen will be built by Grumman Aircraft, which is resuming commercial plane output for first time since 1950. New twelve-passenger plane, powered by two Rolls-Royce Dart turboprops, will have top speed of 370 m.p.h. and range of 2,200 miles. Production starts next...
...free piston engine is that it has many of the advantages of the straight gas turbine with none of the main disadvantages. The glamorous turbojet that flies through the air with such wonderful ease is as helpless on a highway as a bat or a hummingbird. Even the workaday turboprop (a gas turbine that delivers power through a shaft, not through a jet of gas) is hard to adapt to ground uses. Chief failings: 1) poor fuel economy, especially at low speed. 2) cost of heat-resistant parts, 3) sluggish response when power is called...
...military planes. Soon the even bigger J75 will go into two more important planes, Convair's supersonic F106 interceptor and Republic's F-105 fighter-bomber. To add to its horsepower riches, Pratt & Whitney has important military contracts for a smaller J52 jet engine and a T57 turboprop, and is building a $50 million plant in Connecticut to develop a nuclear engine. Net result for United Aircraft, whose Chairman H. M. ("Jack") Horner and President William P. Gwinn also have a booming business in Hamilton-Standard propellers and Sikorsky helicopters: a $2.3 billion backlog...
...General Motors' Allison engine division and Westinghouse. which produced the first U.S.-designed turbojet, both have lost much ground. Though Allison leads the turboprop field and will produce the engines for Lockheed's C-130A Hercules transport and new Electra airliner, it has only a small slice of the big jet market. Finally, Westinghouse has been beset by so many engine bugs that it is pinning most of its hopes on the new, medium-sized J54 jet which it has developed with $12.5 million of its own funds, hopes to sell to the Navy and Air Force...
...light civilian plane engines. Of the estimated 24,500 engines 'built in the U.S. last year, more than half were for civilian aircraft, most of them small business or personal planes. Enginemaker Lycoming, with half a dozen small piston engines already in production, is busy developing a light turboprop engine for greater speed and altitude. Continental has moved into baby jets, looks forward to a big market for its 920-lb.-thrust jet as the power plant for Cessna's T-37 Air Force jet trainer and will be ready when the potentially big civilian-small-jet market...