Why did the Pentagon retire the SR-71 spyplane in 1990? What has caused sonic booms over the California desert since 1991? What was the triangular craft spotted over the North Sea in 1989? In this groundbreaking book, journalist Bill Sweetman argues these mysteries can be traced to a U.S. spyplane called AURORA, the existence of which--denied by officials--lies buried in a secret military budget.

Ouvrage d'initiation au pilotage de l'hélicoptère : étude technique de l'appareil, descriptif des commandes de vol et de leur utilisation, et présentation des réglementations aériennes.

Au sommaire : possibilités de l'hélicoptère, transport public, transports sanitaires, applications militaires...

Ouvrage de référence pour l'initiation et le perfectionnement de la conception comme du pilotage des hélicoptères.

Plates are integral parts of most engineering structures and their vibration analysis is required for safe design. Vibration of Plates provides a comprehensive, self-contained introduction to vibration theory and analysis of two-dimensional plates. 

Designing and building a miniature aero-engine is an exciting and rewarding task. Whether a professional engineer or an amateur looking to build an engine to fly your model aeroplane, this book will safely guide you through all the stages of designing and constructing an aero-engine in your workshop at home. 

Wind Turbine Icing Physics and Anti-/De-Icing Technology gives a comprehensive update of research on the underlying physics pertinent to wind turbine icing and the development of various effective and robust anti-/de-icing technology for wind turbine icing mitigation. The book introduces the most recent research results derived from both laboratory studies and field experiments.

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A complete, fully revised HVAC design reference

Thoroughly updated with the latest codes, technologies, and practices, this all-in-one resource provides details, calculations, and specifications for designing efficient and effective residential, commercial, and industrial HVAC systems.

In the almost sixty years since the publication of the first edition of HVAC Engineer's Handbook, it has become widely known as a highly useful and definitive reference for HVAC engineers and technicians alike, and those working on domestic hot and cold water services, gas supply and steam services.

The 11th edition continues in the tradition of previous editions, being easily transportable and therefore an integral part of the HVAC engineer or technician's daily tools.

The definitive guide to HVAC design—thoroughly revised for the latest technologies