Wild Thomas W. - Aircraft powerplants

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Thomas W. Wild, Ph.D., is a retired professor in the Aviation Technology Department at Purdue University, where he taught and served for 37 years. He holds or has held several FAA certifications, and was managing editor of the Aviation Technician Education Council Journal for 30 years. He has written many books and articles on aviation-related subjects and served on the boards of directors of aviation professional organizations.

9. Operation, Inspection, Maintenance, and
Troubleshooting of Reciprocating Engines

Aircraft Powerplants, Ninth Edition, is designed to provide aviation students with both the theoretical and practical knowledge they need in the constantly changing and increasingly highly technical area of propulsion systems for aircraft. This text greatly exceeds the requirements to qualify students for certification as FAA powerplant technicians in accordance with the Federal Aviation Regulations (FAR). This edition is a revision designed to reflect not only the latest changes in FAR Part 147 but also the current and changing needs of the aircraft industry. Throughout the text, FAR Part 147 has been used for reference to ensure that FAA requirements have been met. The FAA Written Test Guide, Advisory Circular 65-22, has been reviewed carefully to ensure that all technical data that students will need in order to prepare for FAA written and oral examinations are included.

This edition of Aircraft Powerplants features expanded coverage of turbine-engine theory and nomenclature with some outdated material deleted. Additional current models of turbofan, turboprop, and turboshaft engines have been included. Information on turbine-engine fuel, oil, and ignition systems has been adjusted for currency and continues to be divided into separate chapters. Also added to the chapters is new information on turbine-engine health monitoring both in the air and ground-based stations. New materials used in turbine-engine components and manufacturing processes are described in detail. Review questions at the end of each chapter enable students to check their knowledge of the information presented.

Throughout the text, a special emphasis has been placed on the integration of information on how individual components and systems operate together. This text will provide maximum benefit when used in conjunction with the books Aircraft Basic Science, Aircraft Maintenance and Repair, and Aircraft Electricity and Electronics, which as a group encompass information on all phases of airframe and aircraft powerplant technology.

This book is designed to be used as a classroom text to provide the technician and the engineer with a background for a successful career in the aerospace field. Information contained in this book should not be used for actual maintenance performed on aircraft or substituted for that provided by manufacturers.

Thomas W. Wild

The author wishes to express appreciation to the following organizations and individuals for their generous assistance in providing illustrations and technical information for this text:

AiResearch Manufacturing Company, Division of Honeywell Aerospace Co., Torrance, California; Alcor Inc., San Antonio, Texas; American Hall of Aviation History, Northrop University, Inglewood, California; American Society of Mechanical Engineers, New York. New York; Beech Aircraft Corporation, Wichita, Kansas; Bell Helicopter Textron, Fort Worth, Texas; Bendix Corporation, Energy Controls Division, South Bend, Indiana; B.F. Goodrich, Akron, Ohio; Boeing AIRLINER Magazine, Seattle, Washington; Boeing Commercial Airplane Company, Seattle, Washington; Bray Oil Company, Los Angeles, California; Cessna Aircraft Company, Wichita, Kansas; Champion Spark Plug Company, Toledo, Ohio; Continental Motors, Mobile, Alabama; Dee Howard Company, San Antonio, Texas; Dowty Rotol Ltd., Gloucester, England; Dyna-Cam Engines, Redondo Beach, California; Dynamic Solutions Systems, Inc., San Marcos, California; Elcon Division, Icore International, Inc., Sunnyvale, California; Facet Aerospace Products Company, Jackson, Tennessee; C. A. Faulkner; Federal Aviation Administration, Washington, D.C.; Fenwall, Inc., Ashland, Massachusetts; General Electric Company, Aircraft Engine Group, Cincinnati, Ohio; General Electric Company, Commercial Engine Division, Lynn, Massachusetts; Hamilton Standard Division, United Technologies, Windsor Locks, Connecticut; Hartzell Propeller Division, TRW, Piqua, Ohio; Honeywell Engines, Phoenix, Arizona; Howell Instruments, Inc., Fort Worth, Texas; Howmet Turbine Components Corporation, Greenwich, Connecticut; Hughes Helicopters, Inc., Culver City, California; J.P. Instruments; Lamar Technologies LLC, Marysville, Washington; D. C. Latia; Magnaflux Corp., Chicago, Illinois; McCauley Accessory Division, Cessna Aircraft Company, Dayton, Ohio; Northrop University, Inglewood, California; Olympus Corporation, IFD, Lake Success, New York; Piper Aircraft Company, Vero Beach, Florida; Prestolite Division, Eltra Corporation, Toledo, Ohio; Pratt & Whitney Aircraft Group, United Technologies, East Hartford, Connecticut; Pratt & Whitney Aircraft of Canada, Ltd., Longueuil, Quebec, Canada; Precision Airmotive LLC, Marysville, Washington; Purdue University, West Lafayette, Indiana; Rolls-Royce, Ltd., Derby, England; Rolls-Royce Allison, Indianapolis, Indiana; Santa Monica Propeller Services, Santa Monica, California; SGL Auburn Spark Plug Company, Auburn, New York; Slick Electro, Inc., Rockford, Illinois; Spectro/Metrics, Atlanta, Georgia; B. M. Stair; Systron Donner Corporation, Berkeley, California; Tempest Spark Plugs, Taylors, South Carolina; Textron Lycoming, Stratford, Connecticut; Textron Lycoming, Williamsport, Pennsylvania; Walter Kidde and Company, Belleville, New Jersey; Welch Allyn, Scaneateles Falls, New York; Whirlwind Propellers; Woodward Governor Company, Rockford, Illinois.