AERONAUTICAL ENGINEERING
J79 Uses Built-up Parts to Save Weight
Evendale, Ohio—General Electric J79 turbojet, which is powering most of the Mach 2 aircraft in the U. S., has set a new standard for lightness, primarily through the maximum possible use of built-up sheet metal parts to carry the main engine loads rather than the more traditional castings and forgings.
By J. S. Butz10 min