double-jet turbine
41Frank Whittle — Infobox Person name = Frank Whittle image size = 300px caption = birth name = birth date = birth date|1907|6|1|df=y birth place = Earlsdon, Coventry, England. death date = death date and age|1996|8|9|1907|6|1|df=y death place = Columbia, Maryland …
42Coandă-1910 — Coandă 1910 …
43Boeing 747 — British Airways Bo …
44Turbojet — Turbojets are the oldest kind of general purpose jet engines. Two engineers, Frank Whittle in the United Kingdom and Hans von Ohain in Germany, developed the concept independently during the late 1930s, although credit for the first turbojet is… …
45Franck Whittle — Frank Whittle Frank Whittle Sir Frank Whittle, né le 1er juin 1907 à Coventry et mort le 9 août 1996 à Columbia (Maryland), était un ingénieur britannique, officier de la Royal Air …
46Frank Whittle — Naissance 1er juin 1907 Coventry Décès 9  …
47Business and Industry Review — ▪ 1999 Introduction Overview Annual Average Rates of Growth of Manufacturing Output, 1980 97, Table Pattern of Output, 1994 97, Table Index Numbers of Production, Employment, and Productivity in Manufacturing Industries, Table (For Annual… …
48Disasters — ▪ 2009 Introduction Aviation January 23, Poland. A Spanish built CASA transport plane carrying members of the Polish air force home from a conference on flight safety in Warsaw crashes near the town of Miroslawiec; all 20 aboard are killed …
49Airliner — The Boeing 747 was the first wide body airliner. Pictured is the 747 8I model which first flew in 2011 …
50AÉRODYNAMIQUE — L’aérodynamique, dont l’étymologie évoque immédiatement l’action de l’air en mouvement, est la science qui étudie les différents aspects de cette action, notamment les forces, pressions et moments qui résultent du déplacement des corps dans… …
