TCDS TC 156

Page No. 1 2 3 Rev. No. 1 1 1 DEPARTMENT OF TRANSPORTATION FEDERAL AVIATION ADMINISTRATION 156 Revision 1 Jacobs L-5 Series January 2, 2002 TYPE CERTIFICATE DATA SHEET NO. 156 Engine models described herein conforming with this data sheet (which is part of Type Certificate No. 156) 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 provided they are installed, operated, and maintained as prescribed by the approved manufacturer's manuals and other approved instructions. Type Certificate Holder Air Repair, Inc. 920 Airport Service Road Cleveland, Mississippi 38732 Type Certificate Holder Record: Air Repair, Inc. assumed ownership of this type certificate from Jacobs Service Company, 4305 Saturn Way, Chandler, Arizona 85334 on January 2, 2002. Model L-5 L-5M L-5MB Type 7RA Direct drive - - - - - - - - Rating: Maximum Continuous, hp, rpm, at S.L. pressure altitude 285-2000-S.L. - - - - - - - - Take-off (5 minutes), hp, rpm at full throttle 285-2000 - - - - - - - - Fuel (minimum octane aviation gasoline) 73 - - - - - - - - Bore and stroke, in. 5.5 x 5.0 - - - - - - - - Displacement, cu. in. 831 - - - - - - - - Compression ratio 6: 1 - - - - - - - - Weight (dry), lbs. 515 509 530 Propeller shaft, SAE No. 20 - - - - - - - - Carburetion Stromberg NA-R7A - - - - - - - - carburetor with 2-1/8 in. venturi Ignition, dual Bosch AFV or Scintilla Scintilla MN7-DF or Combination Scintilla WL7A battery units VMN7-DF magnetos MN7-DF5 or VMN7-DF5 magnetos and Scintilla WL7A or Bosch AFV battery unit Ignition timing, degree BTC 30 - - - - - - - - Spark plugs BG-4B2(S), 417(S), - - - - - - - - Bendix 9BS2, 437J, Champion M3-1S, RC-26S C-27, C27S NOTES 1,2,3,4,5 1,3,4,5 1,3,4,5 Certification basis Type Certificate No. 156 156 Page 2 of 3 Production basis None. The manufacturer no longer holds a production certificate for engines under this type certificate; therefore, each engine pr oduced subsequent to February 20, 1957, is subject to a detailed inspection for workmanship and conformity with the approved data by an FAA representative. In addition, the engine must have a satisfactory run-in including at least five hours at rated power and speed. Upon satisfactory completion of the above, the representative will tag the engine with Tag Form ACA-186. NOTE 1. Maximum permissible cylinder head, barrel, and oil inlet temperature, 550 o F., 325oF., and 200oF., respectively. NOTE 2 Includes L-5 engines, Nos. 1135, 1159, 1160, 1178, 1181, 1205, 1208, 1216, 1217, 1220, 1221, and 1271 with the following rating: Maximum continuous hp, rpm, at sea level pressure altitude 300-2125-S.L. Take-off, hp, rpm, at full throttle 300-2125 NOTE 3. Engine dry weights listed above include starter drive, generator drive, one pump drive and the following: Radio shielded ignition (standard equipment on later engines) 10 lbs. Accessory drive unit – 1 pump drive (L-5MB only) 3 lbs. Generator and control – 15 amp. (L-5 and L-5MB only 17 lbs. NOTE 4. The following accessories are eligible for use on the specified engine model at the indicated additional or substitute weights: Engine Models Weight (lbs) L-5 L-5M L-5MB *Governor – Hamilton Standard hydraulic propeller governor Model 1A4 5 Yes - - - - - - - - Oil transfer ring assembly – for propeller pitch control 7 Yes - - - - - - - - Provision for automatic valve gear lubrication 7 Yes - - - - - - - - Hydraulic pump – Pesco Model 320-F 2 Yes - - - - - - - - Fuel pump – Romec Model C-28, C-16, F4RB, or Pesco R-400-BLH 2 Yes - - - - - - - - Vacuum pump – Romec Type B-2A, Eclipse Types B-1 or B-2 4 Yes - - - - - - - - Generator: Eclipse Type D, 25 amp., and control 26 Yes - - - - - - - - Eclipse Type LV-180, 15 amp., and control 17 Yes - - - - - - - - Eclipse Type G, 15 amp., and control 19 Yes - - - - - - - - Bosch LE/70-12 and control 12 Yes - - - - - - - - Starter: Eclipse Type E-80 19 Yes - - - - - - - - Eclipse E-141 25 Yes - - - - - - - - Accessory drive unit including: 3 pump drives 6 Yes No Yes 2 pump drives 5 Yes No Yes 1 pump drive 3 Yes No Std. Propeller hub (fixed pitch) 15 Yes - - - - - - - - *All models are eligible for optional use of 2-position hydraulically controllable propeller when the control valve is used in lieu of the constant speed governor. Page 3 of 3 156 NOTE 5. The following accessory drive provisions are available: Drive Direction of Rotation Drive ratio Maximum Torque Continuous Inch-Pounds Static Maximum Overhand Moment Inch-Pounds Starter CCL 1.5:1 - - - - 5500 100 Generator CCL 1.4:1 50 300 110 Fuel pump (rear crankshaft) CL 1:1 20 150 - - - - Tachometer CCL .5:1 - - - - - - - - - - - - *Vacuum pump CCL 1: 1 or .875:1 30 200 - - - - *Propeller governor CCL 1:1 *Hydraulic pump CCL 1:1 or .875:1 30 200 - - - - *Fuel pump CCL 1:1 30 200 - - - - All directions of rotation are given facing engine drive flange. *Accessories marked with an asterisk are mounted on accessory drive unit. The total continuous torque taken off all the drives on the accessory drive unit should not exceed 70-inch pounds. Overhang moment for drive pads are listed is not critical provided accessory weights listed in NOTE 4 are not exceeded. ...END.....