The New Encyclopædia BritannicaEncyclopædia Britannica, 1983 - Encyclopedias and dictionaries |
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Page 130
... airplane , the Bell X - 1 . As aircraft speeds approached and exceeded the speed of sound in air , pronounced changes in external air - flow patterns re- sulted . Much of the work of aeronautical engineers in the post - World War II ...
... airplane , the Bell X - 1 . As aircraft speeds approached and exceeded the speed of sound in air , pronounced changes in external air - flow patterns re- sulted . Much of the work of aeronautical engineers in the post - World War II ...
Page 137
... airplane in its various manoeuvres ; designers provide for an ultimate load factor , which rep- resents the greatest load the airplane may encounter in the most violent manoeuvre plus a comfortable safety margin . The load - test rack ...
... airplane in its various manoeuvres ; designers provide for an ultimate load factor , which rep- resents the greatest load the airplane may encounter in the most violent manoeuvre plus a comfortable safety margin . The load - test rack ...
Page 380
... airplane to the other . One bomber or as many as three or four fighter airplanes may be re- fuelled at the same time by a single tanker . Primary - training airplanes are generally of simplified construction with a minimum of ...
... airplane to the other . One bomber or as many as three or four fighter airplanes may be re- fuelled at the same time by a single tanker . Primary - training airplanes are generally of simplified construction with a minimum of ...
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accelerator acid activity Adams administrative advertising Aeschylus aesthetic Africa agriculture animals appear become body called Central century changes contains continued cost countries crops cultural dance early East effect electrons elements engineering established example farm feet field figures flight followed function human important increase industry influence Italy Khoisan Knossos known Lake land languages later less living major materials means ment natural occur operations organization original patterns percent performance period plants play political population present production range region remains represented result River society sound South southern species structure style theory tion traditional United usually variety West Western widely