Tag Archives: Mach

Nasa is studing Truss-Braced Wings

One of severals potential design under study by Boeing and Nasa, is the transonic truss-braced wing (TTBW) concept. The concept, which is in the running to be tested as a piloted X-plane in the early 2020s, derives its high lift/drag efficiency … Continue reading

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Preliminary sizing – Matching Chart

    Introduction This article introduces the first step in the preliminary sizing process, which is to determine the so-called aircraft design point in terms of wing loading and thrust-to-weight ratio. The requirements, constraints imposed by market, passengers, payload, weight are the … Continue reading

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