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ATP INDEX COPYRIGHT 2002 COPYRIGHT IS NOT CLAIMED AS TO ANY PART OF AN ORIGINAL WORK PREPARED BY A UNITED STATES GOVERNMENT OFFICER OR EMPLOYEE AS PART OF THAT PERSONS OFFICIAL DUTIES OR BY ANY OTHER THIRD PARTY OFFICER OR EMPLOYEE AS PART OF THAT PERSONS DUTIES. "ATP" is a registered trademark of Aircraft Technical Publishers. All original authorship of ATP is protected under U.S. and foreign copyrights and is subject to written license agreements between ATP and its Subscribers. ALL RIGHTS RESERVED. NO PART OF THIS PUBLICATION MAY BE REPRODUCED, STORED IN A RETRIEVAL SYSTEM, OR TRANSMITTED IN ANY FORM BY ANY MEANS, ELECTRONIC, MECHANICAL, PHOTOCOPYING, RECORDING OR OTHERWISE, WITHOUT PRIOR WRITTEN PERMISSION OF THE PUBLISHER. AIRCRAFT TECHNICAL PUBLISHERS CUSTOMER SERVICE 101 SOUTH HILL DRIVE 6AM-5PM PST M-F BRISBANE, CA 94005 (800)227-4610 ATP GRID INDEX TO MANUFACTURER'S PUBLICATION: TEXTRON LYCOMING RECIP MODELS-FLYER BINS SERVICE INFORMATION ISSUE TYPE EYE-READABLE CODE FLYERS FS k"" END OF INDEX *X~ 10/11/93 (RCR2102 AV 0004 SI) PAGE: 1 FS LYCOMIAIG I Lycoming Textron Lycomlng/Subsldlary of Textron Inc. 652 Oliver Street. Williamsport, PA 1 7701 717/323-6181 Fax 717/327-7022 Gsne~a Pvllion 1999 Trxlran Lvcam np IBDEX Ihe articles contained herein are not intended to supersede manufacturers service publications, instructions or manuals or any other qtFcial publications, bur are prorided in order to augment or erplain in pilot5 or mechanic's language these publications, as and well as provide other supplemental helpfitl information for our customers operators. GENERAL Title Page No. Facts About The Flyer and Key Reprints...............................-·······--····················-·--·-···························· 3 Some Definitions of Terms.........................................·.·······--······-·-··-·····-··-·····-···--··-···-··--·················· 5 How To Get Textron Lycoming Engine and Accessory Maintenance Publications.......................-·-··················· 5 Determining Engine Condition of High Time Piston Powerplants..................................··-·······-········-···-······· 5 Questions Most Often-Asked by Pilots and Mechanics 7 About Textron Lycoming Geared and Supercharged Engines............................-....-·······--·····················-······ Time Between Overhaul (TBO).................................··········-········-··-················-···-······························ 8 Spectrometric Oil Analysis.....................................·.··········-···········-·············-··-····-·····-······················· 10 Engine Overhaul--What Does It Mean...................................-·············-·········---·····--·····-··········-············· 11 12 SomeDefinitions Applicable to Textron Lycoming Williamsport Engines.................................·-··-················· 14 What Is An Aerobatic Engine?........,......................·.·.·-·····--··············-·---·-·····--···-·-·······-··-················ The Use of Higher Octane Aviation Fuel. 100 LL Blue 15 or 1M) Green, for Engines Rated for 80187 Octane Fuel.....................................··········-···········-················ What is Avgas?.......................................·······································-····-·········-·····-·······-·····--············ 16 80 Octane Engine Grade 100 Aviation Fuel..................................·--··············-·····-···········--················· 17 Minimizing The Spark Plug Fouling Problem............................·.-············-··--···················-·················· 18 Fuel Contamination..........................................··········-·-····-··············---···············-········-···················· 19 19 Do Not Use Automotive Gasoline In Textron Lycoming Aircraft Engines..............................····-··········--········ Understanding The AD............................................········-···········-··--······--··········--·····-······················ 20 20 Let's Talk Turbocharging...........................-·········-····-··--······-···············-·········--······-····················-····· The Dual Maeneto.,..................................·-·····-··-········-·······-·····················--·································-·· 21 73 Information About Textron Lycoming Approved Full-Flow Oil Filters.........................-································· Detonation And Pre-Ignition................................-··········-·-·······-··········-··-····-············-························· 22 Nitridinp: What Is It?...........................................-.--········-·····················--·--········--···-···-·····-·········· 73 Compression Ratio An Explanation As It Relates To Textron Lycoming Enpines............................···.·········· 73 How to Keep Engine Costs Down Through Do-It-Yourself Preventive Maintenance And Sound Operation..........................············-·············-··-···-·-·······--·················· ZJ 25 "Watts" Horsepower...............................···-········-·········-·······--···-······-··-··················-······················· 35 Cut-Away Of A Four Cylinder Powerplant...........................···-····-···---·-················--··········-··········-········· 96 Your Engine And The Fixed Pitch Propeller............................·--······················-··-··--····-····-···-················ Induced Engine Damage..................................··.···········-·-·······-··········-·-·-····--·--··········-······-··-············ 27 29 The Whistle Slot..........................................-.·········-·······················--·-·-··-··-··-·····-···········-··············· 29 Welding Is Wastefui................................·.-...--····-····-········-········-··--······························-·················· 30 Look What They Are Doing To Our Engines....................................·-.·-···-············-··············-················· 32 Questions To Ask The Engine Modifier...................................-.····-·········-··-····-··········--·-·····-················· Engine Balance 33 33 Low Time Engine May Not Mean Quality and Value.....................................·.--···········-··-························ OPERATION Hard Facts About Engine Break-In...................................·..····-···-·······-······-···-·····-······························· Leaning Tcxtron Lycoming Engines......................................·.----·····--··-·-·····-···-·-·········-····--·················· 39 Proper Leaning at Cruise Aids Safe Flight--And Saves S Dollars........................................···-·······-············· 39 Operating The Direct Drive Fixed Pitch Lycoming Engine..............................·-.-······································· Operating Your Lycoming Engines At Takeoff And Climb............................................·······-···-····-···········- :90 Landings And Takeoffs From High Elevation Airports..................................-.·.···-············-······················· ~1 The Need For Good Fuel Manaeement........................··.·-···············-·····-··············································· JI The Exhaust Gas Temperature (EGT) And Fuel Management.................................·...-··········-··········-···· An Explanation Of Power Settings..................................··.-········-··-··-··-··-···-·············-··························