TCDS E-277

Page No. 1 2 3 Rev. No. 6 5 6 DEPARTMENT OF TRANSPORTATION FEDERAL AVIATION ADMINISTRATION E-277 Revision 6 Lycoming Engines O-340-A1A O-340-A2A O-340-B1A November 04, 2010 TYPE CERTIFICATE DATA SHEET NO. E-277 Engines of models described herein conforming with this data sheet (which is a part of type certificate No. 277) and other approved data on file with the Federal Aviation Agency meet the minimum standards for use in certificated aircraft in accordance with pertinent aircraft data sheets and applicable portions of the Civil Air Regulations provided they are installed, operated and maintained as prescribed by the approved manufacturer’s manuals and other approved instructions. Type Certificate Holder Lycoming Engines An Operating Division of AVCO Corporation Williamsport, Pennsylvania 17701 Type Certificate Holder Record Lycoming Division, AVCO Manufacturing Corporation Williamsport, PA. transferred TC E-277 to Lycoming Engines, An Operating Division of AVCO Corporation on November 04, 2010 Model Lycoming O-340-A1A, -A2A O-340-B1A Type 4HOA Rating Max. continuous, hp., r.p.m., full throttle at: Sea level pressure altitude 170-2700 160-2700 Takeoff (5 min.) hp., r.p.m., full throttle at:\ Sea level pressure altitude 170-2700 160-2700 Fuel (Min. grade aviation gasoline) 91/96 80/87 Bore and stroke, in. 5.125 x 4.125 5.125 x 4.125 Displacement, cu.in. 340.4 - - Compression ratio 8.5:1 7.15:1 Weight (dry), lb. 250 247 C. G. location with starter and generator From face of propeller mounting flangs, in. 14.20 14.26 Off propeller shaft C.L., in. 1.39 Belo w & .20 Left 1.35 Below & .06 Right Propeller shaft Integral flanged hub SAE 2 - - Carburetion++ Marvel-Schebler+ MA-4-5 - - Ignition, Dual TCM* S4LN-20 and - - S4LN-21 magneto - - Ignition timing, BTC 25 - - Spark plugs See NOTE 4 - - Oil sump capacity, qt. 8 - - Usable oil sump capacity, qt. 6 - - NOTES 1,2,3,4,5, 6 1,2,3,4,5,6 “- -” indicates “same as preceding model.” “—” indicates “does not apply.” + Marvel-Schebler formerly Volare, Precision Airmotive Corporation, Facet Aerospace Products Company, and Borg Warner Corp ++ For alternate carburetors see latest edition of Lycoming Service Instruction 1523 * TCM formerly Bendix Certification basis: Date Type Certificate Regulation & Amendments Model(s) Date of Application E-277 Issued/Revised CAR 13,effective March 5, 1952 & 13-1 O-340 March 30, 1954 July 20, 1954 13-1 & 13-2 O-340-A1A Sept.22, 1954 Jan.13, 1955 Changed model Letter Aug.22, 1956 Sept. 27, 1956 designation filed 641.3 Lycoming O-340 to O-340-B1A O-340 CAR 13 as amended to June 15, 1956 O-340-A2A Nov.5, 1956 Nov. 16, 1956 Production basis Production Certificate No. 3 NOTE 1. Maximum permissible temperatures are as follows: Cylinder head 500 F (Wall-type thermocouple) Cylinder barrel 325 F Oil inlet 245 F NOTE 2. Fuel pressure limits: Minimu m 0.5 p.s.i. - Maximum 6 p.s.i. Oil pressure limits: (Normal operation) Minimum 60 p.s.i. - Maximum 85 p.s.i. (Idling 25 p.s.i.) Starting and warm-up - 100 p.s.i. NOTE 3. The following accessory drive provisions are available: *Direction of Maximum Torque Maximum Overhand Accessory Rotation **Speed (in. - lb.) Moment (in.-lb.) Cont. Static Starter CC 13.556:1 — 450 150 Starter(Optional) CC 16.556:1 — 450 150 Generator C 1.910:1 60 120 175 Generator(Optional) C 2.500:1 60 120 175 Fuel Pump or Plunger operated .500:1 — — 10 Fuel Pump C 1.000:1 25 450 25 Vac.Pump CC 1.300:1 70 450 25 Tachometer C .500:1 7 50 5 Prop.Gov. C .866:1 125 825 25 In addition, the following optional dual drives mounting on engine vacuum pump drive pad: Vac. pump CC 1.300:1 70 450 6 Hydraulic pump or CC 1.300:1 Total Total 10 Vac. pump CC 1.300:1 70 450 6 Propeller governor CC 1.300:1 Total Total 10 *”C” - Clockwise, “CC” - Count er clockwise facing engine pad **Speed - Times crankshaft r.p.m. 3 E-277 NOTE 4. Spark Plugs: See latest revision of Lycomi ng Service Instruction No. 1042 for approved equipment. NOTE 5. These engines incorporate provisions for absorbing pr opeller thrust in both tractor and pusher type installations. NOTE 6. The above models incorporate additional characteristics as follows: O-340 Models Characteristics O-340-A1A Basic Model O-340-A2A Same as O-340-A1A except has no provision for hydraulic propeller control. O-340-B1A Same as O-340-A1A except has 7.15:1 compression ratio and 160 hp. rating on grade 80/87 fuel. ...END...