Frank Whittle, an English inventor and RAF officer, began development of a viable jet engine in 1928, and Hans von Ohain in Germany began work independently in the early 1930s. In August 1939 the turbojet powered Heinkel He 178, the world's first jet aircraft, made its first flight. ...
It was a historicday, since many efforts(努力) to make an airplane had failed earlier.They also used the new ways in their first airplane. They made the plane with a 12 horsepowerpetrol engine(汽油发动机) and two propellers(螺旋桨). The plane they designed was a biplane,with two main ...
They finally succeeded in(成功) flying the first airplane on 17th December, 1903. It was a historic day, since many efforts(努力) to make an airplane had failed earlier.They also used the new ways in their first airplane. They made the plane with a 12horsepower petrol engine(汽油发动机) ...
Who invented the first steam engine? Who invented the first horse drawn tram? Who invented the first mass-produced car? Who invented the first roller coaster? Who invented the first tractor? Who invented the bike? Who made the first car?
文章开篇点题,根据第一段"An American pilot who made an emergencylanding after the plane lost an engine was being praised."可知,一名美国飞行员在飞机失去一个引擎后紧急着陆,得到了表扬。再根据第二段提到的Schults在困境中临危不乱及最后一段飞机上的乘客对她的盛赞可知,最适合本文标题的是:女飞行员因她...
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Who invented the first tire? Who made Bibles before the printing press? Who invented the first bicycle? Who invented the tablet? Who invented the first jet plane? Who invented the first lamp? Who invented the first electric car? Who invented the first calculating machine?
Salute to Man Who Invented the Jet Engine; REPLICA PLANE LOWERED ON TRAFFIC ISLAND AS TRIBUTE TO SIR FRANK WHITTLEByline: LUCY WILSONIT'S NOT every day a jet lands on a traffic island - but yesterday's final approach by this aircraft was altogether different.The plane is in fact a full...
Byline: LUCY WILSONIT'S NOT every day a jet lands on a traffic island - but yesterday's final approach by this aircraft was altogether different.The plane is in fact a full-scale replica of the E29/38 - the first aircraft to be powered by one of Frank Whittle's jet engines.It was...
A An American pilot who made an emergency landing Tuesday after the plane lost an engine is being praised for her "nerves of steel." The pilot, Tammie Jo Schults, was flying a Southwest Airlines plane from New York City to Dallas, Texas, when the engine blew and broke apart. She landed...