1947-01-01

FUTURE TRENDS IN AIRCRAFT-ENGINE DESIGN 470240

THIS report on a canvass of a number of engineers concerned with aircraft, aircraft powerplants, and fuels and lubricants indicates that the reciprocating engine will continue to occupy a paramount position among aircraft powerplants for the next 10 years.
Turboprops will gradually displace reciprocating engines in some types of airplanes, chiefly air transports and bombers. Turbojets will be common soon in fighters and later in bombers. But small aircraft will still be relying on reciprocating engines in 1957, according to the survey.

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