TCDS E-253

E-253 Revision 21 CONTINENTAL AEROSPACE TECHNOLOGIES, INC. C145-2, -2H, -2HP O-300-A, -B, -C, -D, -E September 19, 2022 DEPARTMENT OF TRANSPORTATION FEDERAL AVIATION ADMINISTRATION TYPE CERTIFICATE DATA SHEET NO. E-253 Engines of models described herein conforming with this data sheet (which is part of Type Certificate No. 253) 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 Continental Aerospace Technologies, Inc. (Continental®) 2039 South Broad St. Mobile, Alabama 36615 Type Certificate Holder Record Continental Motors, Inc. Company name change January 1, 2020 (Continental Aerospace Technologies, Inc.) Teledyne Continental Motors Ownership & name change as of April 19, 2011 (Continental Motors, Inc.) Model C145-2, -2H, -2HP O-300-A, -B, -C, -D, - E Type 6HOA - - - Rating, ICAO or ARDC standard atmosphere Max. continuous hp., rpm, full throttle at sea level pressure altitude 145-2700 - - - Takeoff hp., 5 min., r.p.m., full throttle at sea level pressure altitude Fuel (min. grade aviation gasoline) 145-2700 80/87, ASTM D7547 (UL91), ASTM D7547 (UL94) - - - - - - Lubricating Oil Oil inlet temperature Oil grade Below 120° F. SAE 20 - - - Over 120° F. SAE 40 - - - Bore and stroke, in. 4.0625 x 3.875 - - - Displacement, cu. in. 301 - - - Compression ratio 7.0:1 - - - Weight (dry), lb. 268 - - - C.G. location (with accessories where eligible) Fwd. of mounting lug rear face, in. 8.1 - - - Below crankshaft, in. 1.6 - - - Propeller shaft, SAE No. See NOTE 7 - - - Carburetion Marvel-Schebler MA-3SPA - - - P/N 530490 Ignition, dual, magnetos Continental SF6LN-12 or S6LN-21 or S6LSC-21 or J. I. Case Model 67 or Slick Electro 664; or 1 ea. Continental S6LN-200 or -204 - - - Timing, °BTC Right 26, Left 28 - - - Spark plugs (See NOTE 8) - - - Oil sump capacity, qt. 8; 7.46 usable at 5° nose-up and - - - 5.6 usable at 5° nose-down; 7.76 usable at 10° nose-up and 3.77 usable at 10° nose-down attitudes NOTES 1,2,3,4,5,7,8 1,2,3,5,6,7,8 "- - -" indicates "same as preceding model" Page No. 1 2 3 Rev. No. 21 20 20 E-253 Page 2 Certification Basis CAR 13 Type Certificate No. 253 issued for C145-2 December 5, 1947; C145-2H added April 1, 1949; C145-2HP added January 27, 1953; O-300-A added May 12, 1954; O- 300-B added September 27, 1955; O-300-C added February 24, 1959; O-300-D added June 1, 1960; O-300-E added April 3, 1963. Production Basis Production Certificates Nos. 7 and 508. NOTE 1. Maximum permissible cylinder head, barrel and oil inlet temperatures, 525°F, 290°F, and 225°F, respectively. Maximum oil inlet temperature limit is 240°F, when using Continental Spec. MHS-24 oil SAE No. 50 above 40°F ambient and SAE No. 30 or 10W30 below 40°F ambient. Lubricating oils qualified under SAE-J1899 or J1966 are considered qualified under Continental Spec MHS-24 NOTE 2. Pressure limits for normal operation: Fuel at carburetor inlet: For pump system: 1½ to 6 p.s.i.g. For gravity system: Minimum 11 in. fuel head differential between carburetor fuel inlet fitting and float bowl chamber, maximum 6 p.s.i.g. Oil 30 to 40 p.s.i.g. NOTE 3. The following accessory drive or mounting provisions are available: Accessory Type of Drive Direction of Rotation* Speed Ratio to Crankshaft Max. Torque Cont. (in.-lb.) Static Maximum Overhang Moment (in.-lb.) Generator Automotive CC 2.035:1 60 600 100 ** Starter Automotive C 35.77:1 *** Starter Automatic C 24.727:1 engagement **** Vacuum Pump AND 20,000 CC 1.5451 100 800 25 Fuel Pump Automotive diaphragm ***** Governor AND 20,010 0.500:1 1:1 29 825 50 * C - Clockwise viewing drive pad, CC - Counter Clockwise ** Delco-Remy gear reduction drive and starter eligible on all models except O-300-D and -E. *** Delco-Remy starter (Continental P/N 627842) with Continental adapter P/N 628158 eligible on Model O-300-D and -E only. **** Vacuum pump drive available on Model O-300-D and -E only. ***** Governor drive available on Model O-300-E only. NOTE 4. Model designation suffix “H” on model C145-2 denotes the incorporation of crankcase and crankshaft provisions for use of a hydraulically controllable propeller from the engine oil pressure. Model designation suffix “P” denotes engine eligible for pusher installation as permitted by a special crankcase and front main bearing. NOTE 5. C145 series engines equipped with dampered crankshafts are identified by suffix letter “D” following the engine serial number which denotes one each 5th and 6th order dampers. O-300 series engines are also equipped with crankshaft incorporating one each 5th and 6th order dampers. NOTE 6. O-300-A is similar to C145-2 except parts material and ignition component substitutions. O-300-B is similar to O-300-A except incorporates crankcase and crankshaft provisions for use of a hydraulically controllable propeller from the engine oil pressure. O-300-C is identical to O-300-A except for propeller flange provision as indicated. O-300-D is similar to O-300-C except for provisions for Continental right angle automatic engagement starter drive which incorporates a vacuum pump drive. O-300-E is similar to O-300-D except for incorporation of governor drive pad and crankshaft provisions to supply governor oil to propeller. Page 3 E-253 NOTE 7. Propeller shaft C145-2, -2H, -2HP; O-300-A, -B: SAE-AS127 No. 3 flange O-300 C, -D, -E: ARP502 Type I flange 4-7/8 in. o.d. by .31 in. thick with six ½ bolt holes in 4 in. diameter circle. O-300-E has provisions for transfer of governor oil to propeller. NOTE 8. The following spark plugs and/or those listed in Section 6-4.9 of the latest revision of M-0, Standard Practice Maintenance Manual, are approved on this engine: AC: HSR83IR, SR83IR, SR83P, HSR83P, A88, S88, S88D, HS88, SR88, HSR88, SR88D, Auto Lite: BR4, BR4S, BR4SB, H15, SH15, SH 15R, SH20A, SH150, SH200A BG: RB485S, RB919SR5, RB955S, 706, 706S Champion: C26S, RC26S, C27, C27S, REM38E, REM38P, REM38W, RHM38P, RHM38W, RED39N, REM39N, RHD39N, RHM39N, REM40E, RHM40E, D41N, ED41N, EM41N, M41N, M42E, E142E Red Seal: SA190, SE190, SJ190, SE230, SJ230 ....END....