Principles Of Helicopter Flight
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Helicopter pilots need to thoroughly understand the consequences of their actions, and base them upon sound technical knowledge. This textbook provides a foundation by explaining why the helicopter flies and, more importantly, why it sometimes doesn't. It examines the aerodynamic factors associated with rotor stalls, mast bumping, and wind effect, as well as maneuvering flight to include the hover, forward flight, flare, and autorotation. Helicopter design and components, performance, and weight and balance are covered, along with special techniques such as different types of takeoffs and landings, operating on sloping surfaces, sling operations, mountain flying, and helicopter icing. Technical knowledge and sound handling are the crucial ingredients that make a safe pilot.
This second edition benefits from additional discussion of the NOTAR system and strakes, as well as frequently misunderstood principles of airspeed and high altitude operations. The book also concludes with a multiple-choice practice examination; used in conjunction with quizzes for each chapter, the reader can test their grasp of helicopter aerodynamics.
Helicopter pilots need to thoroughly understand the consequences of their actions, and base them upon sound technical knowledge. This textbook provides a foundation by explaining why the helicopter flies and, more importantly, why it sometimes doesn't. It examines the aerodynamic factors associated with rotor stalls, mast bumping, wind effect, as well as maneuvering flight to include the hover, forward flight, the flare, and autorotation. Helicopter design and components, performance, and weight and balance is covered, along with special techniques such as different types of takeoffs and landings, operating on sloping surfaces, sling operations, mountain flying, and helicopter icing. Technical knowledge and sound handling are the crucial ingredients that make a safe pilot.
This Second Edition benefits from additional discussion of the NOTAR system and strakes, as well as frequently misunderstood principles of airspeed and high altitude operations. The book also concludes with a multiple-choice practice examination; used in conjunction with quizzes for each chapter, the reader can test their grasp of helicopter aerodynamics.
Principles of Helicopter Flight explains the complexities of helicopter flight in clear, easy-to-understand terms, and is the type of manual the helicopter training industry has been waiting for. It provides pilots and students with important background knowledge on how helicopters fly, and, more important, why they sometimes don't.
Wal Wagtendonk served in the Royal new Zealand Air Force, retiring as an A-2 instructor in 1960. He established one of New Zealand's best known theory and flight training establishments, Nelson Aviation College. The school became the first \"approved\" school to conduct both fixed-wing and helicopter courses in New Zealand, and many experienced helicopter pilots started their basic training under Wal's careful instruction.
An important difference between Principles of Helicopter Flight and a variety of other manuals on the same subject is that it starts from the very basics of aerodynamics and progresses in a logical sequence through the syllabus requirements of most countries. Also, the many complex aerodynamic factors are explained in an easy to follow fashion which makes it simple for the reader to gain a very good grasp of the principles involved.
Every topic is supported by clear diagrams which enhance understanding of the associated written explanations. For example, an almost full page diagram supports the explanations of the forces involved on the helicopter rotor during autorotation. Other similarly treated topics deal with forces involved with Forward Flight, Range and Endurance, Retreating Blade Stall, and many more. A large number of practical aspects are covered such as Sling Load and High Altitude operations, Recovery from Low Rotor rpm, Ground Resonance, Mast Bumping and so on. A full chapter is devoted to Mountain Flying and the last two chapters in the book contain all there is to know about helicopter Performance and Weight & Balance.
Currently it is used worldwide by a number of Civil Aviation Authorities as a major study reference for the helicopter examinations and large numbers of students for the PPL and CPL licences internationally use the book to prepare for the examination sittings.
For the student learning to fly helicopters in the 21st century, this book is one of the essential keys to flight.Helicopter pilots need to thoroughly understand the consequences of their actions, and base them upon sound technical knowledge. This textbook provides a foundation by explaining why the helicopter flies and, more importantly, why it sometimes doesn't. It examines the aerodynamic factors associated with rotor stalls, mast bumping, wind effect, as well as maneuvering flight to include the hover, forward flight, the flare, and autorotation. Helicopter design and components, performance, and weight and balance is covered, along with special techniques such as different types of takeoffs and landings, operating on sloping surfaces, sling operations, mountain flying, and helicopter icing. Technical knowledge and sound handling are the crucial ingredients that make a safe pilot.This Second Edition benefits from additional discussion of the NOTAR system and strakes, as well as frequently misunderstood principles of airspeed and high altitude operations. The book also concludes with a multiple-choice practice examination; used in conjunction with quizzes for each chapter, the reader can test their grasp of helicopter aerodynamics.Soft cover, 8.25\" x 10.75\", 320 pages, illustrated, glossary, index.
Photo: Mighty rotors: You can see just how big and heavy a helicopter's rotors are in this picture. It takes four US marines to hold this rotor in place while it's being reattached after maintenance. Notice the curved front edge of the rotor blade that cuts like an airfoil as it spins around.Picture by Jeremy L. Grisham courtesy of US Navy and Wikimedia Commons.
A typical helicopter has thousands of intricatecomponents, but we only need to worry about a handful of the biggerbits. The main framework is called the fuselage and it's typicallymade from strong but relatively lightweight composite materials. It contains one or two engines, a transmission, and gearboxes, which power one or two main rotors and a much smaller tail rotor at the back.
Although some small helicopters still use pistonengines (also called reciprocating engines, similar to the ones usedin cars and trucks), most now use gas turbines morelike the jet engines on conventional airplanes. 59ce067264
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