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XB-70 Honeycomb

DAYTON, Ohio - A sample of the honeycomb-like stainless steel panel structure from the XB-70 on display in the Research & Development Gallery at the National Museum of the U.S. Air Force. (U.S. Air Force photo)

DAYTON, Ohio - A sample of the honeycomb-like stainless steel panel structure from the XB-70 on display in the Research & Development Gallery at the National Museum of the U.S. Air Force. (U.S. Air Force photo)

Note: This item is currently in storage.

Most significant in the XB-70 program was its contribution to the technology of many facets of American industrial life. Advances in the art of steel making were particularly notable. Principally a steel airplane, the XB-70 represented the first widespread use of stainless steel in a honeycomb panel structure. These panels, which are comprised of facing sheets brazed to a honeycomb-like core, make up 22,000 square feet of the surface of the XB-70. The panel displayed here, manufactured by Aeronca, Inc., is typical of this method of construction. The development of this stainless steel by the Armco Steel Corporation in Middletown, Ohio, was an outstanding accomplishment in the fields of metallurgy and steel production.

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