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Article
Publication date: 1 July 1963

G.W. Webber

IT is symptomatic of the rapidly growing interest in all weather operations throughout the world thatthe fifteenth I.A.T.A. technical conference held recently at Lucerne broke a…

33

Abstract

IT is symptomatic of the rapidly growing interest in all weather operations throughout the world thatthe fifteenth I.A.T.A. technical conference held recently at Lucerne broke a number of records for these meetings.

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Aircraft Engineering and Aerospace Technology, vol. 35 no. 7
Type: Research Article
ISSN: 0002-2667

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Article
Publication date: 1 February 1963

G.W. Webber

The aircraft industry is at present at a stage where a number of striking new advances are approaching practical reality. The super‐sonic transport, vertical take‐off and landing…

35

Abstract

The aircraft industry is at present at a stage where a number of striking new advances are approaching practical reality. The super‐sonic transport, vertical take‐off and landing, and variable geometry arc the three developments which spring most readily to mind. Slightly less spectacular, but perhaps equally important, is the intensive development work currently in progress which is devoted to making aircraft—particularly civil aircraft—capable of safe operation in all weather conditions.

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Aircraft Engineering and Aerospace Technology, vol. 35 no. 2
Type: Research Article
ISSN: 0002-2667

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Article
Publication date: 1 December 1963

G.W. Webber and S.L. Page

SUMMARY The paper reviews the requirements for all weather landing systems on a short‐haul jet from the aircraft manufacturer's point of view, with, of course, particular…

45

Abstract

SUMMARY The paper reviews the requirements for all weather landing systems on a short‐haul jet from the aircraft manufacturer's point of view, with, of course, particular reference to the BAC One‐Eleven. The problems of producing a flexible system which will suit many different types of operator with differing operational environments is discussed. The basic provisions made in the aircraft and the basic automatic system for subsequent easy fitment of all weather landing systems are described and a number of possible alternative systems listed, which build up from the basic single autopilot to a fully automatic all weather landing system. The potentialities of each of these systems in terms of removing existing obstacles to lower minima are tabulated. The major firm BAC One‐Eleven development project —that of safe autoflare—is described. This project is intended to result in the autoflare system being available for airline use in 1966. It is recognized that systems which do not go as far as safe autoflare may confer some benefit—although the benefits to be obtained are hard to predict quantitatively —and may be attractive to some operators. On the other hand a fully automatic failure survival system will almost certainly be required to meet the full Phase III requirement. The ability of the BAC One‐Eleven to accommodate this wide range of possible system requirements is described.

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Aircraft Engineering and Aerospace Technology, vol. 35 no. 12
Type: Research Article
ISSN: 0002-2667

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Article
Publication date: 1 July 1964

G.W. Webber

A Discussion concerning the Use of Wind Tunnel Results and Flight Test Measurements in the Prediction of Aerodynamic Loads for Stressing Purposes in the Aerodynamics Department of…

92

Abstract

A Discussion concerning the Use of Wind Tunnel Results and Flight Test Measurements in the Prediction of Aerodynamic Loads for Stressing Purposes in the Aerodynamics Department of the Weybridge Division of British Aircraft Corporation. The responsibility for the prediction and issue of aerodynamic loads for stressing purposes at the Weybridge Division of British Aircraft Corporation is carried by the Aerodynamics Department. The arguments for and against this arrangement are briefly examined. One of the main arguments in favour is the facility with which wind tunnel tests can be instigated and controlled. The use of wind tunnel tests specifically designed to give aerodynamic loading data and their relation to estimation using theoretical and semi‐empirical methods is fully discussed and illustrated. The confirmation of design estimates by full scale in‐flight load measurement is described and the usefulness of in‐flight measurements as a design tool on subsequent aircraft of a similar type is discussed.

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Aircraft Engineering and Aerospace Technology, vol. 36 no. 7
Type: Research Article
ISSN: 0002-2667

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Article
Publication date: 1 December 1945

W.G. Webber

WITH the advent of auxiliary blowers and the fashion for wing entry air intakes, the designer of the modern aircraft power plant has been set the problem of duct design. The…

25

Abstract

WITH the advent of auxiliary blowers and the fashion for wing entry air intakes, the designer of the modern aircraft power plant has been set the problem of duct design. The installation of to‐day is very compact and it has been found that ducts passing between the engine and various components, wing entry and blower, etc., are forced to take up unsymmetrical shapes in order to clear the major structural components of the power plant. The question of the efficiency of the ducting from an aerodynamic aspect has been thoroughly investigated and the results of mathematical and practical investigations published for the benefit of the designer, but to the knowledge of the writer, little, if any, work has been carried out on the strength of these components. Nevertheless, the efficiency of a duct from strength considerations is most important, as the power lost by the engine due to a failure of a duct may be considerable and lead to disastrous results at high altitudes.

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Aircraft Engineering and Aerospace Technology, vol. 17 no. 12
Type: Research Article
ISSN: 0002-2667

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Article
Publication date: 1 June 1962

G.W. Webber

FOR a number of years, a considerable amount of research and experimental effort has been expended on the problem of approach and landing of aircraft in operational circumstances…

55

Abstract

FOR a number of years, a considerable amount of research and experimental effort has been expended on the problem of approach and landing of aircraft in operational circumstances where the visual references and the atmospheric conditions are below the levels considered safe for the pilot, assisted only by conventional instrumentation.

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Aircraft Engineering and Aerospace Technology, vol. 34 no. 6
Type: Research Article
ISSN: 0002-2667

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Article
Publication date: 1 March 1963

G.W. Webber

THE task of reviewing the American all weather landing scene is considerably more difficult than the corresponding task of reviewing the European scene. The most obvious reason…

29

Abstract

THE task of reviewing the American all weather landing scene is considerably more difficult than the corresponding task of reviewing the European scene. The most obvious reason for this is the difficulty of keeping fully up‐to‐date with all developments and proposals emanating from an industry which is several times as large as the corresponding British industry and 3,000—5,000 miles away. Hence the author cannot claim to have comprehensive knowledge of every development in progress and can only hope to givs what he sincerely hopes is a reasonably full and balanced account of the major developments.

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Aircraft Engineering and Aerospace Technology, vol. 35 no. 3
Type: Research Article
ISSN: 0002-2667

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Article
Publication date: 1 December 1962

MORE than 200 delegates and observers from sixteen countries attended the International Federation of Airline Pilots' Associations (I.F.A.L.P.A.) Symposium on all weather landing…

37

Abstract

MORE than 200 delegates and observers from sixteen countries attended the International Federation of Airline Pilots' Associations (I.F.A.L.P.A.) Symposium on all weather landing, at the Hilton Hotel in Amsterdam from October 17 to 19, 1962. The Symposium, which was opened by Prince Bernhardt of the Netherlands, heard presentations from a considerable proportion of the equipment manufacturers in the automatic landing field, covering the current state of their system development and testing. More than half of the symposium was allotted to discussion and many of the pilots present expressed their opinions. The dominant theme of the discussion, naturally enough, was the proper place of the pilot in the all weather landing operation. This aspect of the operation is probably now the most contentious in the whole field and views expressed at this meeting might have been expected to be of great value to equipment and aircraft manufacturers. In fact, although much of interest was said, it cannot be recorded that there was a large measure of agreement between the pilots present.

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Aircraft Engineering and Aerospace Technology, vol. 34 no. 12
Type: Research Article
ISSN: 0002-2667

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Article
Publication date: 1 October 1970

Norman Barfield

AIRCRAFT ENGINEERING was born in March 1929 of the belief that the emerging technology from which it took its title would become a fundamental element of engineering progress. The…

148

Abstract

AIRCRAFT ENGINEERING was born in March 1929 of the belief that the emerging technology from which it took its title would become a fundamental element of engineering progress. The keystone of its policy was that it would attempt to meet the needs of engineers and students working in this field and that its contents should be ‘written by engineers — for engineers’. That this venture was fully justified has been amply vindicated by the achievements of the industry during the ensuing 41 years — as recorded in the first 500 issues of this Journal, the major milestone celebrated this month. This is a propitious occasion on which to review the record to date because, although aviation has always been about looking forward, history is instructive and it is the impressive performance of the aerospace industry to date that inspires and motivates confidence in its future.

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Aircraft Engineering and Aerospace Technology, vol. 42 no. 10
Type: Research Article
ISSN: 0002-2667

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Article
Publication date: 1 June 1962

DURING the early part of June, Britain's contender for honours in the world heavyweight class of civil transports will take the air from Weybridge on its maiden flight. It is…

38

Abstract

DURING the early part of June, Britain's contender for honours in the world heavyweight class of civil transports will take the air from Weybridge on its maiden flight. It is therefore appropriate that at this time we should publish an issue devoted to a full technical description of the aircraft concerned— the Vickers VC10 long‐range jet airliner. We feel justified in affording the VC10 this comprehensive coverage on several counts. To begin with, the whole VC10 project represents a major undertaking for the British aircraft industry, and in particular of course for Vickers‐Armstrongs (Aircraft) Ltd., at a time when competition is extremely keen. Being essentially a second‐generation long‐range jet airliner, the VC10 is in the forefront of applied design techniques in the aero‐dynamic, structures, power plant, and systems fields, and therefore provides an ideal opportunity to present a ‘state‐of‐the‐art’ report in these areas, while at the same time giving a detailed account of this important aircraft.

Details

Aircraft Engineering and Aerospace Technology, vol. 34 no. 6
Type: Research Article
ISSN: 0002-2667

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