# TCDS E-305: Napier D. and Son Ltd. - Type: Type certificate data sheet - Status: Current - Holder: Napier D. and Son Ltd. - Revision: 5 - Revised: May 9, 1962 - Product: Engine - Certification basis: CAR 10 - Data sheet PDF: https://openairdocs.org/files/sha256/01/27/0127c10294bd11515db81807c4b2ccf1c4f66596da9613a4467b0bd9d202dd2d - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/E50E9A0686B571158525670D00470823.0001 - Page: https://openairdocs.org/tcds/E-305 ## Models (8) As the data sheet lists them. - Eland 507 - Eland 504A - Eland 503A - Eland 503 - Eland 508A - Eland 504 - Eland 508 - Eland 507A ## What the data sheet says From the PDF's text layer, line by line; tables lose their columns. The PDF is the record. ```text Page No. 1 2 3 Rev No. 5 5 5 Reformatted 11/93. FEDERAL AVIATION AGENCY E-305 Revision 5 NAPIER Eland 503, 503A 504, 504A 507, 507A 508, 508A May 9, 1962 TYPE CERTIFICATE DATA SHEET NO. E-305 Engines of models described herein conforming with this data sheet (which is a part of type certificate No. E-305) 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. Manufacturer: D. Napier and Son, Limited Aero Gas Turbine Division Acton, Vale, London, W.3, England Models Eland 503, 503A 504, 504A 507, 507A 508, 508A Type Turboprop 10 stage axial compressor - - - - - - 3 stage turbine 6 combustion chambers 10.97:1 propeller reduction gearing Rating Max. continuous at sea level; 2910-2670-625-12000 2835-2600-610-12000 3190-2930-670-12250 3110-2860-650-12250 equivalent shaft hp., shaft hp., jet thrust, turbine r.p.m. Takeoff (5 min.) at sea level; 3500-3230-700-12500 3412-3150-680-12500 3500-3230-700-12500 3412-3150-680-12500 equivalent shaft hp., shaft hp., jet thrust, turbine r.p.m. (See Note 5 for additional limits) Propeller shaft type, SBAC No. 6 Fuel control (includes torque Napier metering unit - - Napier metering unit - - and gas temperature ANE49825, Lucas fuel pump ANE49825, Lucas fuel limiters, and a fuel filter) GBB 32/8-AZ or GBB 32/8-AZ, pump MGBB 32/8BM, DeHavilland propeller con- DeHavilland propeller trol PAY75400 or KAY753. control PAY75401 Fuel Aviation kerosene JP-1, JP-4 - - - - - - or JP-5; D.Eng.R.D. 2482 (or 2494), 2486 or 2488 - - - - - - Oil (no oil tank on engine) ESSO Turbo oil 35 - - - - - - D.Eng. R.D. 2487 Principal dimensions: Length, Maximum overall, in. 116 - - - - - - Diameter, Maximum, in. 36 - - - - - - C.G. location - fwd of rear mount, in. 12 - - - - - - Weight (dry), lb. 1820 - - - - - - Ignition system Dual, with 2 BTH type C20-TS/1 - - - - - - high tension units an 2 KLG type KM100 or KM100/2 or Lodge LN100 or LN100/2 igniter plugs. "- -" indicates "same as preceding model" "__" indicates "does not apply" E-305 Page 2 Certification basis CAR 10. Engine Type Certificate No. 305 issued July 28, 1958; revised February 19, 1959 and August 22, 1960. Each individually imported engine must be accompanied by the pertinent Inspection Test Certificate and clearly labeled as "import" in accordance with CAR 10.30. NOTE 1. Maximum permissible temperatures: Turbine outlet (jet pipe) temperature: 503, 503A, 507, 507A 504, 504A 508, 508A Takeoff 1067°F (575°C) 1067°F (575°C) Maximum continuous 1013°F (545°C) 1040°F (560°C) Maximum during starts 1292°F (700°C) 1292°F (700°C) Maximum transients 1067°F (575°C) 1067°F (575°C) The maximum temperatures for all except starts are higher than above by 1.8°F (1°C) for each 3.6°F (2°C) variation higher from 41°F (5°C) of outside air temperature. At outside air temperature of 41°F (5°) and below the maximum temperatures remain constant at the above values. Jet pipe No. N6763/2-6, E6163/0-6, E6563/0-6 or E6163/140-160 uses 3 thermocouples and the above limits apply. The start temperature limit may also be measured by one thermocouple in the turbine rearcasing. 503, 504, 503A, 504A 507, 508 507A, 508A Minimum ambient temperature for starting no limit -40°F (-40°C) Oil inlet temperature 23°F to 212°F -22°F to 212°F (-5°C to 100°C) (-30°C to 100°C)* *(This limit is subject to the incorporation of Modification N. EL 1079) External engine component temperature: Cooling air temperature, 212°F (100°C) max. for zone 1 and 330°F (170°C) max. for zone 2 NOTE 2. Fuel and oil pressure limits Fuel, at engine inlet, 5 p.s.i.a. minimum Fuel gauge pressure, 5 p.s.i.g. minimum Oil gauge pressure, 30 p.s.i. idle, 60-115 p.s.i. varying with r.p.m. above idle Oil pressure at engine inlet, -1 to + 2 1/4 p.s.i. NOTE 3: The engine ratings are the guaranteed minimums and are based on static sea level conditions as follows: Compressor inlet air 59°F. and 29.92 in.Hg. Nose fairing, Napier N.4010/376 or R.5710/29. Jet nozzle and exhaust pipe, Napier No. 4163/140-160, N.5763/2-6, N.6163/0-6 or N.6563/0-6, depending on installation. No aircraft accessory loads. No compressor air bleed. Equivalent shaft hp. = Jet Thrust + shaft hp. 2.6 Jet pipe temperature no higher than in NOTE 1. NOTE 4. The following accessory drive provisions are incorporated: Drive Rotation Speed Torque Maximum (facing drive) Ratio to Continuous Static Overhang Turbine (in.-lb.) (in.-lb.) (in.-lb.) Accessory gearbox Clockwise .4:1 2300 7000 (Supported) (180 hp. at T.O. r.p.m.) Tachometer Clockwise .25:1 3 470 10 Starter 503, 504, 507 & 508 Clockwise .8:1 1140 2700 730 Electric (Starter clutch Setting) 503A, 504A, 507A, 508A Clockwise .81:1 3000 131 Air E-305 Page 3 NOTE 5. Maximum air extraction for aircraft purposes is 1.2% of total airflow for fuel heating and 1.0% for inlet guide vane anti-icing, and 0.1% for generator cooling. The first two bleed uses are selective, but the generator cooling is used at all times. No additional air bleed is authorized. NOTE 6. Propellers to be used with this engine must have functioning characteristics compatible with the engine and its control system such as the deHavilland type P.D. 216/466. NOTE 7: Shaft horsepower may be allowed to rise to 3250 hp. for takeoff for all models and to 2780 hp. (503, 503A, 504, 504A) or 3045 hp. (507, 507A, 508, 508A) for maximum continuous under conditions of low air temperature and ram air. A maximum overload torque limiter is incorporated in the engine control system and is set at 3390 s.h.p. for all models. NOTE 8. This engine meets FAA requirements for, (a) adequate turbine disc integrity, rotor blade containment, armoring, and (b) operation in icing conditions. NOTE 9. Maximum overspeed limit is 13500 r.p.m. for 20 seconds. When either limit is exceeded the engine shall be overhauled. NOTE 10. The mixing of approved fuels is permitted without restriction. No adjustment of the engine is necessary and no loss of performance occurs. ....END.... ``` ## ADs None name its models. --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.