Wolfgang Haack — Wolfgang Siegfried Haack (born April 24, 1902 in Gotha; November 28, 1994 in Berlin) was a German mathematician.LifeWolfgang Haack studied mechanical engineering in Hanover and Mathematics in Jena. There, he earned his doctorate in 1926 at the… … Wikipedia
Area rule — The Whitcomb area rule, also called the transonic area rule, is a design technique used to reduce an aircraft s drag at transonic and supersonic speeds, particularly between Mach 0.75 and 1.2. This is one of the most important operating speed… … Wikipedia
Wave drag — is an aerodynamics term that refers to a sudden and very powerful form of drag that appears on aircraft and blade tips moving at high subsonic and supersonic speeds. Overview Wave drag is caused by the formation of shock waves around the aircraft … Wikipedia
Fineness ratio — is a term used in aerospace engineering to describe the overall shape of a streamlined body. Specifically, it is the ratio of the length of a body to its maximum width; shapes that are short and fat have a low fineness ratio, those that are long… … Wikipedia
Richard T. Whitcomb — (1921, Evanston, Illinois) is an aeronautical engineer who spent most of his career at the Langley Laboratory of the NACA and its successor organization, NASA.In the 1950s, Whitcomb proposed the Area Rule . The Area Rule states that two bodies… … Wikipedia
XB-70 Valkyrie — Infobox Aircraft name=XB 70 Valkyrie type=Strategic bomber Supersonic research aircraft manufacturer=North American Aviation caption= designer= first flight=21 September 1964 introduced= retired= number built=2 XB 70s status=Retired from testing… … Wikipedia
Drag (physics) — Shape and flow Form drag Skin friction 0% 100% 10% 90% … Wikipedia
.338 Lapua Magnum — Infobox Firearm Cartridge name=.338 Lapua Magnum caption= .338 Lapua Magnum cartridge case origin=flagcountry|Finland type= Rifle service= used by=Multiple official and civil users wars= Afghanistan War, Iraq War designer= Lapua design date=1989… … Wikipedia
