HELICOPTER FLIGHT DYNAMICS The Theory and Application of Flying Qualities and Simulation Modelling Second Edition Gareth D. Padfield

HELICOPTER FLIGHT DYNAMICS The Theory and Application of Flying 

Qualities and Simulation Modelling Second Edition Gareth D. Padfield

Preface to second edition

In the preface to the first edition of my book I talked about flight dynamics as a ‘living and mature subject, to which many contributions are yet to be made’; I believe this statement is still true and every new generation of engineers has something new to add to the store of knowledge. During the 10 years since its publication, the disciplines of flight dynamics and handling/flying qualities engineering have matured into a systems approach to the design and development of those functions and technologies required to support the piloting task. At the same time, as pilot-centred operational attributes,flying qualities are recognised as the product of a continual tension between perfor mance and safety. These two descriptions and the interplay between them highlight the importance of the subject to continuing helicopter development. The most obvious contributors to flying qualities are the air vehicle dynamics – the stability and control characteristics – and these aspects were treated in some depth in the first edition. Flying qualities are much more, however, and this has also been emphasized. They are product of the four elements: the aircraft, the pilot, the task and the environment, and it  is this broader, holistic view of the subject which is both a technical discipline and an operational attribute, which emphasizes the importance to flight safety and operational effectiveness. I have tried to draw out this emphasis in the new material presented in Chapter 8, Degraded Flying Qualities, which constitutes the bulk of the new content in this second edition.

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