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Message: <blockquote data-quote="Skybolt" data-source="post: 34296" data-attributes="member: 145"><p>Some correction/integration. Actually the sonic cruiser look-alike appeared on the cover of the NASA Office of Aeronautics Annual Report for 1999 "IS" a Boeing concept, more precisely configuration model 2154, one of the last developed during the HSCT program. The image published was sanitized, i.e. modified to mask some features of the actual design. It was also called HISCAT, for Highly Integrated Supersonic Cruise Aircraft Technology, and it was actually a SST. The planform was typical of various HSCT study configurations, notably the PTC (Preliminary Technology Concept of 1996, which enjoyed the canard too). The novelty was in the engine placement, behind the wing and no more on the wing (this resolved some flutter problems). Actually this solution has been tested a lot of times during the 90's but back then it violated the ground rules for the HSR (High Speed Research) configuration studies.</p></blockquote><p></p>