TCDS E-279

DEPARTMENT OF TRANSPORTATION FEDERAL AVIATION ADMINISTRATION E-279 Revision 10 Lycoming Engines (O-435-21) VO-435-A1A (O-435-6) VO-435-A1B (O-435-23; -23A, -23B, 23C) VO-435-A1C (O-435-6A) VO-435-A1D VO-435-A1E, -A1F VO-435-B1A November 04, 2010 TYPE CERTIFICATE DATA SHEET NO. E-279 Engines of models described herein conforming with this data sheet (which is a part of type certificate No. 279) and other approved data on file with the Federal Aviation Administration meet the minimum standards for use in certificated aircraft in accordance with pertinent aircraft data sheets and applicable portions of the Civil Air Regulations/Federal Aviation 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 AVCO Lycoming Division, Av co Corp. Williamsport PA transferred TC E-279 to Lycoming Engines, An Operating Division of AVCO Corporation on November 04, 2010 Model Lycoming VO-435 -A1A -A1B, -A1C, -A1D -A1E -A1F -B1A Type 6H0A Vertical Mounting Direct Drive Rating Maximum continuous, hp., r.p.m, full throttle, at: Sea level pressure altitude (ft.) 250-3200-S.L. - - - - - - 265-3200-S.L. Takeoff (5 min.), hp., r.p.m., full throttle, at: Sea level pressure altitude 260-3400-S.L. - - - - - - 265-3200-S.L. Fuel (Minimum grade aviation gasoline) 80/87 - - - - - - 100/130 Bore and stroke, in. 4.875 x 3.875 - - - - - - - - Displacement, cu. in. 434 - - - - - - - - Compression ratio 7.3:1 - - - - - - 8.7:1 Weight (dry), lb. See NOTE 6 - - - - - - - - C.G. location (dry & in horizontal position) From front face of crankcase, in. 15.50 15.30 14.95 - - - - 15.39 Off propeller shaft C.L., in. 0.15 above & 0.25 left 0.14 above & 0.24 left (-A1B & -A1D) 0.07 above & 0.26 left (-A1C) - - - - 0.37 below & 0.18 left Propeller shaft Flange type power takeoff - - - - - - - - Model Lycoming VO-435 -A1A -A1B, -A1C, -A1D -A1E -A1F -B1A Carburetion * MA4-5 or MA4-5AA - - MA4-5AA - - - - Ignition dual S6RN-20, -21 magnetos S6RN-21, S6LN-20 S6LN-204, S6RN-200 - - S6LN-1208, S6RN-1209 Timing, °BTC 25 - - - - - - - - Spark plugs See NOTE 5 - - - - - - - - Oil sump capacity, qt. Dry sump - - - - - - 10 Usable oil, qt. (15° nose up or down)     6 NOTES 1,2,3,4,5,6,7,9 - - 1,2,3,4,5,6,9 1,2,3,4,5,6, 8,9 - - "- -" indicates "same as preceding model" "" indicates "does not apply" * See latest edition of Lycoming SI 1523 for alternate approved Carburetors Certification basis: Regulations and Amendments Model Date of Application Date Type Certificate No. 279 Issued/Revised CAR 13 Effective March 5, 1952 As Amended By 13-1 VO-435 Ma rch 10, 1954 October 11, 1954 VO-435-A1A (VO-435 Redesi gnated) October 29, 1954 13-2 VO-435-A1B May 13, 1955 June 10, 1955 VO-435-A1C July 14, 1955 July 18, 1955 CAR 13 Effective June 15, 1956 VO-435- A1D August 9, 1956 September 27, 1956 As Amended By 13-1, 13-2 VO-435-A1 E September 18, 1959 October 15, 1959 13-3 VO-435-A1F January 25, 1961 March 6, 1961 VO-435-B1A August 10, 1965 December 15, 1965 Production basis: Production Certificate No. 3 NOTE 1. Maximum permissible temperatures: Cylinder Head (Well Type) Cylinder Base Oil Inlet (See Note 8) 500°F 325°F -A1A, -A1B 225°F 350°F -A1C, -A1D, -A1E 235°F, -A1F, -B1A NOTE 2. Minimum Maximum Fuel Pressure Limits 0.5 p.s.i. 8 p.s.i. Oil Pressure Limits (Normal Operation) 65 p.s.i. 85 p.s.i. (Idling 25 p.s.i) NOTE 3. The following accessory provisions are incorporated: -A1B Direction Maximum -A1D of Speed X Maximum Torque Overhang -A1E Rotation Crankshaft in. -lb. Moment Accessory -A1A -A1F -A1C -B1A Faci ng Pad r.p.m. Cont. Static in. - lb. Starter-Electric X X X X C 1.000:1  12000 300 Starter-Manual X X X  C 2.600:1  2200  Alternator    X CC 2.250:1 60 400 175 *Generator X X X  C 2.600:1 500 2200 400 **Fuel Pump X X X  CC .803:1 25 450 25 Vacuum Pump    X C 1.105:1 200 800 25 Vacuum Pump X X X C 1.219:1 200 800 25 Hydraulic Pump    X C 1.105:1 400 1650 175 Hydraulic Pump X  X  C 1.083:1 400 1650 175 Tachometer X X X  CC .500:1 7 50  Tachometer    X CC .500:1 7 50 5 * Inoperative as generator drive when fitted with hand crank jaw. ** Accessory housing machined for drive but drive not supplied as standard on -A1A, -A1B, -A1D, -A1E; -B1A has no provisions for fuel pump drive. C-Clockwise, CC-Counter Clockwise, X-Standard NOTE 4. The VO-435 series engines are specially a pproved for helicopter applicants and operation. NOTE 5. Spark plugs approved for use on these engines are listed in the latest revision of Lycoming Service Instruction No. 1042. NOTE 6. The above models incorporate additional characteristics as follows: VO-435 Models Weight (lb.) Characteristics VO-435-A1A 396 Basic Model. Six cylinder air c ooled, horizontally opposed, vertical direct drive dry sump engine with side mounted AN type accessory drives. VO-435-A1B 391 Same as VO-435-A1A except for a modified accessory section. VO-435-A1C 399 Same as VO-435-A1B for crank case and oil sump modification to provide increased strength and incorporate an oil pump housing which is machined for a hydraulic pump drive. VO-435-A1D 390 Same as VO-435-A1B except for cra nkcase and oil sump modifications to provide increased strength. VO-435-A1E 392 Same as VO-435-A1D except for S6RN-200 and S6LN-204 magnetos. VO-435-A1F 399 Same as VO-435-A1E except has inte rnal piston cooling oil jets and heavy duty cylinders. Convertible to TVO-435-A1A. VO-435-B1A 419 Differs from VO-435-A1F by incorporation of a redesigned accessory drive section with wet oil sump and a higher compression ratio of 8.7:1. NOTE 7. The following military and civil engine models are equivalent: VO-435-A1A - O-435-21 VO-435-A1B - O-435-6 VO-435-A1C - O-435-23, -23A, -23B, -23C VO-435-A1D - O-435-6A When installed in certificated aircraft, the corresponding civil model designation and type certificate number should be added to the engine data plate. NOTE 8. Cylinder base temperature limits are not applicable to e ngine models which incorporate internal piston cooling oil jets. NOTE 9. Starters, generators and alternat ors approved for use on these engines are listed in the latest revision of Lycoming Service Instruction No. 1154. - END -