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国产综合亚洲区,国产成人综合久久,亚洲一区国产二区

时间: 2019年12月08日 17:56

Stringfellow himself explained the failure as follows:鈥? Meanwhile, commercial flying opened on May 8th (the official date was May 1st) with a joy-ride service from Hounslow of Avro training machines. The enterprise caught on remarkably, and the company extended their activities to coastal resorts for the holiday season鈥攁t Blackpool alone they took up 10,000 passengers before the service was two months old. Hendon, beginning passenger flights on the same date, went in for exhibition and passenger flying, and on June 21st the aerial Derby was won by Captain Gathergood on an Airco 4R machine with a Napier 450 horse-power 鈥楲ion鈥?engine; incidentally the speed of 129.3 miles per hour was officially recognised as constituting the world鈥檚 record for speed within a closed circuit. On July 17th a Fiat B.R. biplane with a 700 horse-power engine landed at Kenley aerodrome after having made a non-stop flight of 1,100 miles. The maximum speed of this machine was 160 miles per hour, and it was claimed to be the fastest machine in existence. On August 25th a daily service between London and Paris was inaugurated by the Aircraft Manufacturing Company, Limited, who ran a machine each way each day, starting at 12.30 and due to arrive at 2.45 p.m. The Handley-Page Company began a similar service in September of 1919, but ran it on alternate days with machines capable of accommodating ten passengers. The single fare in each case was fixed268 at 15 guineas and the parcel rate at 7s. 6d. per pound. Isn't master coming? stammered the girl, staring at her mistress. ???'Tis in this Light, O Saviour! that we view, If with some Pleasure we our Griefs betray, No; I purposely avoided doing so. She would have naturally inquired the cause of my unexpected presence in town, and I could speak of all this trouble to nobody on earth but yourself, my lord. 国产综合亚洲区,国产成人综合久久,亚洲一区国产二区 I'm not a-going to waste your time and mine with vain and worldly discourse, ma'am. I am a man as knows the value of time, thanks be! And I have a serious matter on my mind. You know my daughter Rhoda? 鈥楴ov. 20.鈥擨 have been wanting鈥攚anting鈥攎y English letters, expecting them these four days. At last here they are, and such nice dear ones.... Has past! another weary weary day, Up to this point an attempt has been made to give some idea of the progress that was made during the eleven years that had elapsed since the days of the Wrights鈥?first flights. Much advance had been made and aeroplanes had settled down, superficially at any rate, into more or less standardised forms in three main types鈥攖ractor monoplanes, tractor biplanes, and pusher biplanes. Through the application of the results of experiments with models in wind tunnels to full-scale machines, considerable improvements had been made in the design of wing sections, which had greatly increased the efficiency of aeroplanes by raising the amount of 鈥榣ift鈥?obtained from the wing compared with the 鈥榙rag鈥?(or resistance to forward motion) which the same wing would cause. In the same way the shape of bodies, interplane struts, etc., had been improved to be of better stream-line shape, for the further reduction of resistance; while the problems of stability were beginning to be tolerably well understood. Records (for what they are worth) stood at 21,000 feet as far as height was concerned, 126 miles per hour for speed, and 24 hours duration. That there was considerable room for development is, however, evidenced by a statement made by the late B. C. Hucks (the famous pilot) in the course of an address delivered before the Royal Aeronautical Society307 in July, 1914. 鈥業 consider,鈥?he said, 鈥榯hat the present day standard of flying is due far more to the improvement in piloting than to the improvement in machines.... I consider those (early 1914) machines are only slight improvements on the machines of three years ago, and yet they are put through evolutions which, at that time, were not even dreamed of. I can take a good example of the way improvement in piloting has outdistanced improvement in machines鈥攊n the case of myself, my 鈥榣ooping鈥?Bl茅riot. Most of you know that there is very little difference between that machine and the 50 horse-power Bl茅riot of three years ago.鈥?This statement was, of course, to some extent an exaggeration and was by no means agreed with by designers, but there was at the same time a germ of truth in it. There is at any rate little doubt that the theory and practice of aeroplane design made far greater strides towards becoming an exact science during the four years of War than it had done during the six or seven years preceding it. 437