Certificated Aircraft Engines
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CERTIFICATED AIRCRAFT ENGINES SSP1101 DECEMBER 2013 652 Oliver Street Williamsport, PA 17701 U.S.A. Phone: Main OfficeU.S. and Canada Toll Free +1 (800) 2583279 Direct +1 (570) 3236181 Sales Department +1 (570) 3277278 Facsimile +1 (570) 3277101 Visit us on the World Wide Web at: http://www.lycoming.com ©2013 Avco Corporation All Rights Reserved. Lycoming Engines is a division of Avco Corporation. TABLE OF CONTENTS PISTON CERTIFICATED ENGINES – (4) Four Cylinder Series ....................................................................................................................................................... 1 (6) Six Cylinder Series ....................................................................................................................................................... 16 (8) Eight Cylinder Series .................................................................................................................................................... 32 PISTON ENGINE INSTALLATIONS (4) Four Cylinder Installations............................................................................................................................................ 33 (6) Six Cylinder Installations.............................................................................................................................................. 42 TURBOCHARGED .................................................................................................................................................... 46 GEARED.................................................................................................................................................................... 47 HELICOPTER ............................................................................................................................................................ 49 INTEGRAL ACCESSORY DRIVE............................................................................................................................. 50 INTEGRAL ACCESSORY – GEARED...................................................................................................................... 50 (8) Eight Cylinder Installations........................................................................................................................................... 51 MODEL DESIGNATION BREAKDOWN: Example: AEIO540L1B5D • Prefixes: Suffixes: A Aerobatic (DRY SUMP) L Indicates Change in Power Section and Rating from AE Aerobatic Engine Original Design (1 st suffix character, may be 2 E Electronic characters) G Geared 1 Indicates Nose Section (2 nd or 3 rd suffix character) H Horizontal Helicopter B Indicates Accessory Section (3 rd or 4 th suffix I Fuel Injected character) L Left Hand Rotation Crankshaft 5 Indicates Counterweight Application (if used, 4 th or M Drone 5 th suffix character) O Opposed Cylinders D Indicates Dual Magneto (if used, 4 th or 5 th suffix S Supercharged character) T Turbocharged V Vertical Helicopter * Counterweight Applications: 1. On VO540 models – the #3 as the 4 th suffix character The prefix of our example engine indicates an aerobatic indicates six third order counterweights. engine with opposed cylinder that is fuel injected. 2. On O & IO540 models – the #5 as the 4 th suffix • Cylinder Cubic Inch Displacement: character indicates one fifth and one sixth order counterweights. Cubic Inch Displacement No. of Cylinders 3. On 4 cylinder models – the #6 as the 4 th suffix character indicates one sixth and one eighth order 235, 290, 320, 340, 360, 390 4 counterweights. 435, 480, 540, 580 6 720 8 4. On 6 cylinder models – the #6 as the 4 th suffix character 541 6 with integral indicates one sixth and five third order counterweights. accessory Engine Mounts: NOTE: Slick Magnetos are FAA approved for use on Conical – Straight mounts parallel to crankshaft. many engine models; reference latest revision of Service Instruction No. 1443. Dynafocal – Mounts set at a specified angle to the crankshaft with Type 1 (30°) and Type 2 (18°) being NOTE: Engine dash numbers ending in “E” designates different angles for four cylinder engines and Type 1 (31°) Roller Tappets (Ex: L####48E). and Type 2 (20°) for six cylinder engines. i PISTON – (4) FOUR CYLINDER SERIES T/O† E S/N▲ Model HP RPM Fuel C.R. n Description Suffix O235C1 115 2800 80 6.75:1 Type 2 prop. flange, fixed or constant speed 15 O235C1B 115 2800 80 6.75:1 Same as –C1 with Retard Breaker Magnetos 15 O235C1C 115 2800 80 6.75:1 Same as –C1 but with Slick Magnetos 15 O235C2A 115 2800 80 6.75:1 Same as –C1 but has AS127, Type 1 prop. 15 flange O235C2B 115 2800 80 6.75:1 Same as –C2A with 1200 series Magnetos 15 O235C2C 115 2800 80 6.75:1 Similar to –C2A but with Slick Magnetos 15 O235E1 115 2800 80 6.75:1 Same as –C1 but has provision for controllable 15 prop. O235E1B 115 2800 80 6.75:1 Same as –C1B but has provision for 15 controllable prop. O235E2A 115 2800 80 6.75:1 Same as –C2A but has provision for 15 controllable prop. O235E2B 115 2800 80 6.75:1 Same as –C2B but has provision for 15 controllable prop. O235F1 125 2800 100/100LL 9.70:1 Similar to –C1 but higher power and comp. 15 ratio O235F1B 125 2800 100/100LL 9.70:1 Similar to –C1B but higher power and comp. 15 ratio O235F2A 125 2800 100/100LL 9.70:1 Similar to –C2A but higher power and comp. 15 ratio O235F2B 125 2800 100/100LL 9.70:1 Similar to –C2B but higher power and comp. 15 ratio O235G1 125 2800 100/100LL 9.70:1 Same as –F1 but with provision for controllable 15 prop. O235G1B 125 2800 100/100LL 9.70:1 Same as –F1B but has provision for 15 controllable prop. O235G2A 125 2800 100/100LL 9.70:1 Same as –F2A but has provision for 15 controllable prop. O235G2B 125 2800 100/100LL 9.70:1 Same as –F2B but has provision for 15 controllable prop. O235H2C 115 2800 80 6.75:1 Same as –C2C but with Type 1 dynafocal 15 mounts O235J2A 125 2800 100/100LL 9.70:1 Same as –F2A but with Type 1 dynafocal 15 mounts O235J2B 125 2800 100/100LL 9.70:1 Same as –F2B but with Type 1 dynafocal 15 mounts O235K2A 118 2800 100/100LL 8.50:1 Same as –F2A but with 20° BTC timing, lower 15 comp. ratio and lower power O235K2B 118 2800 100/100LL 8.50:1 Same as –F2B but with 20° BTC timing, lower 15 comp. ratio and lower power † TakeOff n Compression Ratio ▲ Engine Serial Number 1 PISTON – (4) FOUR CYLINDER SERIES T/O† E S/N▲ Model HP RPM Fuel C.R. n Description Suffix O235K2C 118 2800 100/100LL 8.50:1 Same as –K2A but with Slick Magnetos 15 O235L2A 118 2800 100/100LL 8.50:1 Same as –J2A but with 20° BTC timing, lower 15 comp. ratio and lower power O235L2C 118 2800 100/100LL 8.50:1 Same as –L2A but with Slick Magnetos 15 O235M1 118 2800 100/100LL 8.50:1 Similar to –L2A but has provision for 15 controllable prop. and AS127, Type 2 prop. flange O235M2C 118 2800 100/100LL 8.50:1 Similar to –M1 but has AN127, Type 1 prop. 15 flange and Slick Magnetos O235M3C 118 2800 100/100LL 8.50:1 Similar to –M1 but has Slick Magnetos and 15 uses 7/16 in. prop. bolts instead of 3/8 in. bolts O235N2A 116 2800 100/100LL 8.10:1 Same as –L2A but lower comp. ratio and 15 power O235N2C 116 2800 100/100LL 8.10:1 Same as –L2C but lower comp. ratio and power 15 O235P1 116 2800 100/100LL 8.10:1 Same as –M1 but lower comp. ratio and power 15 O235P2A 116 2800 100/100LL 8.10:1 Similar to –P1 but has AN127, Type 1 prop. 15 flange O235P2C 116 2800 100/100LL 8.10:1 Same as –M2C but lower comp. ratio and 15 power O235P3C 116 2800 100/100LL 8.10:1 Same as –M3C but lower comp. ratio and 15 power O290D 130 2800 80 6.50:1 Solid tappets, hydro control 21 O29011 127 2800 80 6.50:1 Same as O290D 21 O290D2 140 2800 80 7.50:1 Hydraulic tappets, 18° spark advance 21 O290D2A 140 2800 80 7.50:1 Same as –D2 but new crankcase for 21 controllable prop. O290D2B 140 2800 80 7.00:1 Same as –D2, 25° spark advance and lower 21 comp. ratio O290D2C 140 2800 80 7.00:1 Same as –D2B with Retard Breaker Magnetos 21 O320A1A 150 2700 80 7.00:1 Controllable prop., 25° spark advance, Bendix 27 S4LN20 and S4LN21 Magnetos O320A1B 150 2700 80 7.00:1 Same as –A1A with straight riser in oil sump 27 and 32 carburetor O320A2A 150 2700 80 7.00:1 Same as –A1A but fixed pitch prop. 27 O320A2B 150 2700 80 7.00:1 Same as –A2A with straight riser in oil sump 27 and 32 carburetor O320A2C 150 2700 80 7.00:1 Same as –A2B with Retard Breaker Magnetos 27 O320A2D 150 2700 80 7.00:1 Same as –E3D but with conical mounts and O 27 320A sump and intake pipes O320A3A 150 2700 80 7.00:1 Same as –A1A but uses 7/16 in. dia. prop. bolts 27 † TakeOff n Compression Ratio ▲ Engine Serial Number 2 PISTON – (4) FOUR CYLINDER SERIES T/O† E S/N▲ Model HP RPM Fuel C.R. n Description Suffix O320A3B 150 2700 80 7.00:1 Same as –A3A except for straight riser in oil 27 sump and 32 carburetor O320A3C 150 2700 80 7.00:1 Same as –A3B except for Retard Breaker 27 Magnetos O320B1A 160 2700 100/100LL 8.50:1 Same as –A1A but high comp. ratio 39 O320B1B 160 2700 100/100LL 8.50:1 Same as –B1A except for straight riser in oil 39 sump and 32 carburetor O320B2A 160 2700 100/100LL 8.50:1 Same as –B1A but fixed pitch prop. 39 O320B2B 160 2700 100/100LL 8.50:1 Same as –B2A except for straight riser in oil 39 sump and 32 carburetor O320B2C 160 2700 100/100LL 8.50:1 Same as –B2B except for Retard Breaker 39 Magnetos O320B2D 160 2700 100/100LL 8.50:1 Same as –D1D except for fixed prop.