Transonic Flight

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In the early 1950s, Convair—now General Dynamics—built a prototype of a very high-performance jet fighter for the U.S. Air Force. It promised to bring supersonic speed, but the prototype XF-102 had one problem: it couldn’t break the sound barrier. The reason was because of the shape of the airframe, and the solution involved the application of the theory that seems counter intuitive by the standards of non-compressible flow dynamics: area rule.

Based on World War II German research, NACA engineer Richard Whitcomb developed it into “area rule” and the waspwaisted look of supersonic aircraft fuselages of the 50s and 60s were a direct result. Area rule is still effective today, and Boom Supersonic’s new Overture airliner is an elegant, modern example.


*ABOUT END OF THE LINE:*
Manufacturing veteran James Anderton expresses his compelling and unique opinions about the state of the manufacturing sector. He shares his thoughts and insights to help engineering and manufacturing professionals navigate through the challenges of world events, the blending old with new technologies, evolving processes, gaps in skilled labour, in an effort to help maximize productivity of their daily operations.

James is a former editor of trade publications in the automotive, metalworking and plastics industries with contributions to a wide range of print and on-line publications. He also brings prior industry experience in quality and manufacturing for a Tier One automotive supplier.

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