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61 de Havilland, Sir Geoffrey
SUBJECT AREA: Aerospace[br]b. 27 July 1882 High Wycombe, Buckinghamshire, Englandd. 21 May 1965 Stanmore, Middlesex, England[br]English designer of some eighty aircraft from 1909 onwards.[br]Geoffrey de Havilland started experimenting with aircraft and engines of his own design in 1908. In the following year, with the help of his friend Frank Hearle, he built and flew his first aircraft; it crashed on its first flight. The second aircraft used the same engine and made its first flight on 10 September 1910, and enabled de Havilland to teach himself to fly. From 1910 to 1914 he was employed at Farnborough, where in 1912 the Royal Aircraft Factory was established. As Chief Designer and Chief Test Pilot he was responsible for the BE 2, which was the first British military aircraft to land in France in 1914.In May 1914 de Havilland went to work for George Holt Thomas, whose Aircraft Manufacturing Company Ltd (Airco) of Hendon was expanding to design and build aircraft of its own design. However, because de Havilland was a member of the Royal Flying Corps Reserve, he had to report for duty when war broke out in August. His value as a designer was recognized and he was transferred back to Airco, where he designed eight aircraft in four years. Of these, the DH 2, DH 4, DH 5, DH 6 and DH 9 were produced in large numbers, and a modified DH 4A operated the first British cross- Channel air service in 1919.On 25 September 1920 de Havilland founded his own company, the De Havilland Aircraft Company Ltd, at Stag Lane near Edgware, London. During the 1920s and 1930s de Havilland concentrated on civil aircraft and produced the very successful Moth series of small biplanes and monoplanes, as well as the Dragon, Dragon Rapide, Albatross and Flamingo airliners. In 1930 a new site was acquired at Hatfield, Hertfordshire, and by 1934 a modern factory with a large airfield had been established. His Comet racer won the England-Australia air race in 1934 using de Havilland engines. By this time the company had established very successful engine and propeller divisions. The Comet used a wooden stressed-skin construction which de Havilland developed and used for one of the outstanding aircraft of the Second World War: the Mosquito. The de Havilland Engine Company started work on jet engines in 1941 and their Goblin engine powered the Vampire jet fighter first flown by Geoffrey de Havilland Jr in 1943. Unfortunately, Geoffrey Jr and his brother John were both killed in flying accidents. The Comet jet airliner first flew in 1949 and the Trident in 1962, although by 1959 the De Havilland Company had been absorbed into Hawker Siddeley Aviation.[br]Principal Honours and DistinctionsKnight Bachelor 1944. Order of Merit 1962. CBE 1934. Air Force Cross 1919. (A full list is contained in R.M.Clarkson's paper (see below)).Bibliography1961, Sky Fever, London; repub. 1979, Shrewsbury (autobiography).Further ReadingR.M.Clarkson, 1967, "Geoffrey de Havilland 1882–1965", Journal of the Royal Aeronautical Society (February) (a concise account of de Havilland, his achievements and honours).C.M.Sharp, 1960, D.H.—An Outline of de Havilland History, London (mostly a history of the company).A.J.Jackson, 1962, De Havilland Aircraft since 1915, London.JDSBiographical history of technology > de Havilland, Sir Geoffrey
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62 طريق
طَرِيق \ course: a line of action to be followed: He was given a course of treatment for disease. Your best course is to wait for an answer. key: sth. that provides an answer, or a way to gain sth.: Hard work is the key to success. passage: passing; way: Fallen rocks blocked our passage. procedure: a regular or official way of doing things: What’s the usual procedure at an election?. process: a course of action, a course of change: Coal was formed out of forests by chemical processes. road: a track with a hard surface, suitable for cars, etc.: a main road; the road to London. route: the way that one takes from one place to another: Which is the safest route up the mountain?. street: a road in a town (or the main road in a village), with buildings beside it: Side streets lead from a main street into the back streets. tack: the course that is taken when one is tacking, the course that is being followed in any planned action: I think she’s on the right tack. track: a rough road or path: a cart track; a mountain track; a railway track (the ground on which the line is laid, or the line itself). way: a road: highway; motorway, a direction Which is the way to London? I’ve lost my way. It’s a long way away (it’s far away) Please lead the way (Please go in front). \ See Also طَريقَة عَمَلِيَّة، خطة (خُطَّة)، سَبيل، مفتاح (مِفْتاح)، درب (دَرْب)، مرور (مُرور)، مِنْهاج سَيْر العَمَل \ بِطَريقٍ مُتَشابهة \ similarly: in the same way: They were similarly dressed. \ طَرِيق تُرابِيّ \ path: (also footpath, pathway) a track made by people’s feet, across open ground; a way made for people to walk along: a path over the fields; a garden path. \ طَرِيق جَانِبيّ \ bypass: a road that avoids a town by passing round it. \ طَرِيق خاصّة \ drive: a private road to a house. \ طَرِيق سيارات سريع \ motorway, freeway: a broad road with limited entrances, for fast travel over a long distance, which goes over or under all other roads. \ See Also رئيسي (رئيسيّ) \ طَرِيق ضيّق \ lane: a narrow road in the country. path: also footpath, pathway) a track made by people’s feet, across open ground; a way made for people to walk along: a path over the fields; a garden path. \ طَرِيق عامّ \ highway: a main road; any public road. \ See Also رئيس( رئيس)، سريع( سريع) \ طَرِيق فَرْعِيٌّ \ byroad: an unimportant road; a side road. \ See Also خاص (خَاصّ) \ طَرِيق مائيّ \ waterway: a river or canal along which boats can travel. \ طَرِيق مُخْتَصَرَة \ short cut: a way between two places that shortens the distance: Instead of following the road, we took a short cut across the fields, a quicker way of doing sth. I can add the numbers up in my head, but using a calculating machine is a short cut. \ طَرِيق مُسَفْلَتة \ tarmac: Tarred surface: The aircraft landed smoothly on the tarmac. -
63 üç
,-çü three. - adım (atlama) sports hop, step, and jump. - aşağı beş yukarı roughly, approximately. - aşağı beş yukarı anlaşmak (for a buyer and a seller) to agree on a price (after bargaining). - aşağı beş yukarı dolaşmak to pace or wander back and forth, pace or wander up and down. Ü- Aylar Islam the months of Rajab, Sha´ban, and Ramazan. - beş three or four, a few. -e beşe bakmamak not to haggle over trifling sums (while bargaining). - buçuk atmak slang to be afraid that something will go wrong, have kittens. - direkli yelkenli three-masted sailing vessel, three-master. - günlük seyisliği var, kırk yıllık at boku eşeler. colloq. He´s only been here a short while, yet he´s already poking his nose into matters that are over his head. - otuzluk/otuzunda very old, aged, ancient (person). - şeritli yol three-lane highway or road.
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