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Why, after decades of research, analysis, and experimentation, is helicopter performance still where it is?

With this question, Dr. J. Gordon Leishman opens an invigoratingdiscussion of technical problems influencing the performance of thehelicopter, and provides a unique perspective into future challengesand new opportunities in realizing its full performance. The problemsof the helicopter are assessed in terms of the interdependentaeromechanical factors that affect and limit its flightcapabilities. While written primarily for researchers, engineers,managers, and policymakers in the rotorcraft field, the book assumesonly a basic background in helicopter engineering and avoids detailedmathematical development, making it suitable for all helicopterenthusiasts.

Customer Reviews (2)

Must add to any library
This is a good book in learning about the many technical challenges that face the helicopter as an engineering system. A good amount of discussion shows the many tradeoffs and competing requirements which pose significant challenges in revolutionizing the helicopter. Attention is also given to our limited ability to understand the complex aperiodic nature of the flow, along with the complex interaction effects between the main rotor, tail rotor, and fuselage. Next, the book discusses flow control methods along with computational fluid dynamics (CFD) taking on a more active role in helicopter design and analysis. The book ends with the over-arching emphasis of setting realistic government goals that radically shifts the conventional way of thinking on how helicopters are made. If the helicopter is to have drastic performance changes, the government, academia, and industry have to team together for the benefit of all.

The Helicopter: Thinking Forward - Looking Back
This book was a pleasure to read. It presents an overview of recent rotor aerodynamic, acoustic and aeromechanical research and development and its application to the design of the overall vehicle, in simple and graphic terms that can be readily comprehended by people with little detailed knowledge of the helicopter.

Accuracy has not suffered from the simplification process - the book's author, Prof Gordon Leishman, is one of the foremost researchers and experts in the rotorcraft field. He has used this expertise to explain the technology so that its logic is readily apparent. He also provides a very useful list of easily obtained references for deeper reading.

But the book is much more than a guide to the technicalities of rotorcraft engineering, since it places the engineering and research topics into the context of the overall aircraft design and deals with how they affect the fundamentals of the vehicle's performance. The book contains a considerable amount of overall generalised performance data that gets to the core of what the helicopter is and what it offers to its customers and perhaps more important, what limits its performance and how its capabilities can be transformed by application of advances in technology.

The book does not shirk from looking at the problem of how technology comes into being and is incorporated into the vehicle, either. The author reviews the success of recent trends in applying the technology to improving the vehicle and draws some uncomfortable conclusions. He then proposes strategies for improving results.

As an engineer familiar with the field, I found this book very enjoyable and read it in one session. I discovered a few aspects of the subject that were new to me, but most important to me were the thought provoking questions on the development of the vehicle and the industry that the book raised.
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This digital document is an article from Northern Ontario Business, published by Laurentian Business Publishing, Inc. on August 1, 2009. The length of the article is 623 words. The page length shown above is based on a typical 300-word page. The article is delivered in HTML format and is available immediately after purchase. You can view it with any web browser.

Citation Details
Title: Exploration keeps Kenora chopper firm flying: mining drives expansion at Forest Helicopters.(TRANSPORTATION)
Author: Ian Ross
Publication: Northern Ontario Business (Magazine/Journal)
Date: August 1, 2009
Publisher: Laurentian Business Publishing, Inc.
Volume: 29Issue: 10Page: 14(1)

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Product Description
This digital document is an article from Trial, published by Association of Trial Lawyers of America on March 1, 1994. The length of the article is 2249 words. The page length shown above is based on a typical 300-word page. The article is delivered in HTML format and is available in your Amazon.com Digital Locker immediately after purchase. You can view it with any web browser.

From the supplier: Helicopter technology is very different from general aircraft technology, and even experienced aviation attorneys can find helicopter cases challenging. These cases can be even more challenging for a jury, making the selection of expert witnesses who are good teachers and communicators of key importance. An expert can help investigate the accident, develop technical theories, qualify and retain other experts and coordinate the efforts of the expert team. Experts can also evaluate discovery for technical accuracy.

Citation Details
Title: Litigating the helicopter case. (Transportation)
Author: Mark H. Goodrich
Publication: Trial (Magazine/Journal)
Date: March 1, 1994
Publisher: Association of Trial Lawyers of America
Volume: 30Issue: n3Page: 42(5)

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Provides an overview of the design, uses, weapons, and equipment of U.S. Army helicopters. ... Read more

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The result of 15 years research, this book is the first comprehensive account of the development of auto-gyros and helicopters in Germany during the period 1930-1945. It sheds much light on an area of considerable aeronautical achievement, which has until now been unjustly neglected.

German progress in this field has been overshadowed by developments in other areas. Yet by the end of World War II, despite minimal funding, lukewarm official support and bitter inter-service rivalries, the Germans were, undoubtedly, technologically way ahead of their American counterparts in the development of rotating wing aircraft. This book, which will become the definitive work on the subject, is fully illustrated throughout with many photos which are believed to have been unpublished until now. ... Read more

Customer Reviews (1)

Truly Outstanding
This is an outstandingly well researched book on the somewhat obscure but very important helicopter developments conducted in Germany prior to and during WW2. The author has painstakingly gathered and assembled information from various and sundry sources, including individuals involved in these developments, to present a thorough exposition of the world's first practical helicopters.

Fifty stars for this book! ... Read more

Product Description
This book covers vertical-rising aircraft as envisioned from the earliest concepts to the period when the helicopter became a practical machine in the late 1930s. It focuses on the many pioneering ideas and efforts that led to the creation of today's modern helicopter and it explores possibilities for the future. Inside are over 200 illustrations and an encyclopedic glossary that enables the reader to understand the development of the technology and procedures. It is intended for professionals, students, and the increasing body of aviation enthusiasts and conservators. ... Read more

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Text and photographs introduce military helicopters, their parts, and the crew that flies on military helicopters. ... Read more

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The unique design problems which helicopters produce are many and complex. Through practical examples and illustrated case studies, supported by all the relevant theory, this primer text provides an accessible introduction which guides the reader through the theory, design, construction and operation of helicopters. Fundamental performance and control equations are developed, from which the book explores the rotor aerodynamic and dynamic characteristics of helicopters. Example calculations and performance predictions, reflecting current practice, show how to assess the feasibility of a design.



* Tackles the theory, design, construction and operation of helicopters
* Illustrated with many practical examples and case studies
* Provides the fundamental equations describing performance and dynamic behaviour ... Read more

Customer Reviews (1)

A rewarding book
After I tried to study foundations of helicopter flight on my own with some other books I took to this one and got fascinated about helicopter theory.

The chapters are:
Introduction
Rotorcraft configuration
The rotor in hover
The rotor in axial flight - climb and decent
The rotor in forward flight
Dynamics of the rotor
Autorotative performance
Blade dynamics
Helicopter trim
Vibration and it's transmission
Tail rotors
Ground resonance
Rotor speed governing
Methods of calculating helicopter power, fuel consumption andmission performance
Epilogue - windmill

The book is a very rewarding pleasure to read!
The topics are motivating, text and derivations are clear and well balanced. You can study the book without ever getting stuck when you have a good background in aeronautical engineering.

I would wish the Author writes another book about helicopter flight dynamics and control as well.


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The Instrument Rating Practical Test Standards (PTS) book is published by the Federal Aviation Administration (FAA) to establish the standards for instrument rating certification practical tests for the airplane, helicopter, and power lift, category and classes. The practical test standards are also be used for the instrument portion of the Commercial Pilot-Airship practical test. ... Read more

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Dramatizes the kinds of work helicopters do, such as rescuing people, enforcing the law, fighting fires, flying reporters to news sites, and fighting wars. ... Read more

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This digital document is an article from Alaska Business Monthly, published by Alaska Business Publishing Company, Inc. on November 1, 1994. The length of the article is 1342 words. The page length shown above is based on a typical 300-word page. The article is delivered in HTML format and is available in your Amazon.com Digital Locker immediately after purchase. You can view it with any web browser.

Citation Details
Title: New horizons for Era's helicopters. (Era Aviation Inc. Era Helicopters) (Access the World)
Author: Allen Baker
Publication: Alaska Business Monthly (Magazine/Journal)
Date: November 1, 1994
Publisher: Alaska Business Publishing Company, Inc.
Volume: v10Issue: n11Page: pS5(3)

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This digital document is an article from Science and Its Times, brought to you by Gale®, a part of Cengage Learning, a world leader in e-research and educational publishing for libraries, schools and businesses.The length of the article is 1705 words.The article is delivered in HTML format and is available in your Amazon.com Digital Locker immediately after purchase.You can view it with any web browser.The histories of science, technology, and mathematics merge with the study of humanities and social science in this interdisciplinary reference work. Essays on people, theories, discoveries, and concepts are combined with overviews, bibliographies of primary documents, and chronological elements to offer students a fascinating way to understand the impact of science on the course of human history and how science affects everyday life. Entries represent people and developments throughout the world, from about 2000 B.C. through the end of the twentieth century. ... Read more

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This digital document is an article from Approach, published by U.S. Naval Safety Center on September 1, 2009. The length of the article is 972 words. The page length shown above is based on a typical 300-word page. The article is delivered in HTML format and is available immediately after purchase. You can view it with any web browser.

Citation Details
Title: Clear blue and in the goo.(helicopters' encounter with a swarm of airborne bugs)(Essay)
Author: Rusty Sloane
Publication: Approach (Magazine/Journal)
Date: September 1, 2009
Publisher: U.S. Naval Safety Center
Volume: 54Issue: 5Page: 12(2)

Article Type: Essay

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This digital document is an article from Hawaii Business, published by Hawaii Business Publishing Co. on July 1, 1987. The length of the article is 4019 words. The page length shown above is based on a typical 300-word page. The article is delivered in HTML format and is available in your Amazon.com Digital Locker immediately after purchase. You can view it with any web browser.

Citation Details
Title: Kauai's unfriendly skies. (helicopter rides)
Author: Lucy Jokiel
Publication: Hawaii Business (Magazine/Journal)
Date: July 1, 1987
Publisher: Hawaii Business Publishing Co.
Volume: v33Page: p20(10)

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