1、MIL-P-85q86 28 m 777770b 0206700 O m R-s/-os- MIL-P-85486(AS) 30 June 19.32 MILITARY SPECIFICATION POWER UNIT AUXILIARY, S-3A AIRCRAFT EQUIPMENT SPECIFICATION FOR This specification is approved for use by the Naval Air Systems Command, Department of-the Navy, and is available for use by all Depart-
2、ments and Agencies of the Department of Defense. 1. SCOPE 1.1 $com?. This specification establishes the performance, operating characteristics, design features, detailed interface configuration definitions, and installation envelopes for a gas turbine auxiliary power unit (APU) with a government fur
3、nished equipment (GFE) electrical generator attached. This specification also establishes the demonstrations procedures, and other data required for satisfactory completion and acceptance, by the Using Service, of the Preliminary Flight Rating Tests (PFRT) and the Verification Tests (VT) for the APU
4、. specification identifies the tests, procedures and data required for satisfactory completion of the Acceptance Tests (AT) of each production unit. Notwithstanding the requirements for test verification of individual points of performance or operating characteristics of the APU covered by this spec
5、ification for purposes of PFRT, VT, or AT, the APU manufacturer shall continue to be fully responsible for all features, characteristics, and performance of the APU throughout the environmental conditions and operating envelope, to the extent required by the applicable contract. swcification also es
6、tablishes the content and format to be used by the APU manufacturer for the preparation of the model specification in accordance with 6.5. The APU will be operated aboard the S-3A aircraft. tests, reports, inspection Further, this This 1.2 Classification. The APU shall be used as a combination elect
7、rical power and compressed air source. Beneficial commer,ts (recommendations, additions, deletions) and any pertinent data which may be of use in improving this docu- ment should be addressed to: Standards Department (Code 93), Naval Air Engineering Center, Lakehurst, NJ 08733, by using the self-add
8、ressed Standardiza- tion Document Improvement Proposal (DD Form 1426) appearing at the end of this dccunent cr I-? uy letter. Engineering Specifications and Licensed by Information Handling Services1.3 APU Components. following components furnished as part of and qualified with the APU. The APU defi
9、ned in this specification shall include the a. b. Electronic Control Unit (ECU) (See Appendix 11) GFE Generator (See Appendix I) c. d. Exhaust Duct (See figure i) GFE Seal Plate (See figure i) 2. APPLICABLE DOCUMENTS 2.1 Government Documents. 2.1.1 $lx cifications and Standards. Unless otherwise spe
10、cified, the following specifications and standards of the issue listed in that issue of the Department of Defense Index of Specifications and Standards (DODISS) specified in the model specification form a part of this specification to the extent specified herein. SPECIFICATIONS FEDERAL TT-s-735 MILI
11、TARY MIL-C-3702 MIL-B-5087 MIL-E-5400 MIL-H-5440 MIL-T-5544 MIL-H-5606 MIL-E-5607 MIL-T-5624 MIL-S-6090 MIL-C-7024 MIL-S-7742 MIL-L-7808 Standard Test Fluids; Hydrocarbon Cable, Power, Electrical, Ignition,-High Tension Bonding, Electrical, and Lighting Protection, for Aerospace Systems Electronic E
12、quipment, Airborne, General Specification for Hydraulic Systems, Aircraft, Types I and II, Design and Installation, Requirements for Thread Compound, Antiseize, Graphite-petrolatum Hydraulic Fluid, Petroleum Base, Aircraft, Engine, Gas Turbine, Preparation for Storage and Turbine Fuel, Aviation, Gra
13、des Jp-4 and Jp-5 Steels Used in ircraft Carburizing and Nitriding, Calibrating Fluid, Aircraft Fuel System Components Screw Threads, Standard, Optimum Selected Series; Lubricating Oil, Aircraft Turbine Engine, Missile, and Ordinance Shipment of, Process for Process or General Specification for S-ys
14、thetic Base 2 Licensed by Information Handling ServicesMIL-P-8548b 28 M 777770b 0206702 4 M I MIL-M-7997 MIL-S-8879 MIL-1-18802 MIL-L-23699 MIL-H-25579 MIL-1-27686 MIL-W-81381 MIL-T-83133 MIL-H-83282 MIL-C-83723/8 MIL-C-83323/9 STANDARDS FEDERAL FED-STD-595 MILITARY DOD-STD-100 MIL-STD-130 MIL-STD-4
15、54 MIL-STD-461 MIL-STD-462 MIL-STD-470 MIL-STD-704 MIL-STD-756 MIL-STD-785 Motors, Aircraft Hydraulic, Constant Displacement, Screw Threads, Controlled Radius Root with General Specification for Increased Minor Diameter, General Specification for Fuel and Oil Lines, ircraft, Installation of Lubricat
16、ing Oil, Aircraft Turbine Engines, Synthetic Base Hose Assembly, Tetrafluoroethylene, High Temperature Medium Pressure, General Requirements for Inhibitor, Icing, Fuel System Wire, Electric, Polyimide-insulated, Copper and Turbine Fuel, Aviation Kerosene Type, Grade Jp-8 Hydraulic Fluid, Fire Resist
17、ant Synthetic Hydrocarbon Base, Aircraft Connectors, Electrical, (Circular, Environment Resisting), Receptacle, (Cable Connecting, Bayonet Coupling, Crimp Pin Contact), (Series I, Classes A, G and R) Resisting) I Receptacle, (Narrow Flange Mount, Bayonet Coupling, Solder Pin Contact), (Series I, Cla
18、ss H) Copper Alloy Connectors, Electrical, (Circular, Environment Color Engineering Drawing Practices Identification Marking of U.S. Military Equipment Standard General Requirements for Electronic Electromagnetic Emission and Susceptibility Equipment Requirements for the Control of Electromagnetic I
19、nterference Measurement of Systems and Equipments) Electromagnetic Interference Characteristics, Maintainability Program Requirements (For Aircraft Electric Power Characteristics Reliability Prediction Reliability Program for Systenis and Equipment Development and Production Licensed by Information
20、Handling ServicesMIL-STD-810 MIL-STD-838 MIL-STD-882 MIL-STD-889 MIL-STD-1472 MIL-STD-1523 MIL-STD-1629 MS 3336 MS 3450 MS 3459 MS 3470 MS 3476 MS 21209 MS 24476 MS 33514 MS 33535 MS 33540 MS 33587 MS 33649 MS 33656 MS 33660 MS 33666 . MS 33668 PUBLICATIONS BUMEDINST 6260.6 OPNAVINST 4790.2 Environm
21、ental Test Methods Lubrication of Military Equipment System Safety Program Requirements Dissimilar Metals Human Engineering Design Criteria for Military . Age Control of Age-Sensitive Elastomeric Material Procedures for Performing a Failure Mode,. Effects and Criticality Analysis Accessory Drives Ai
22、rcraft Engine, Reference Chart for . Connectors, Receptacle, Electric, Wall Mounting, Rear Release, Crimp Contact, AN type Connectors , Plug, Electric, self -Locking Coupling Nut, Rear Release, Crimp Contact, AN Connectors, Receptacle, Electric, Series 2, Crimp Type, Narrow Flange Mount, Bayonet Cou
23、pling, Classes A, L, S and W Connectors, Plug, Electric, Series 2, Crimp Type, Bayonet Coupling, Classes A, L, S and W Insert, Screw Thread, Coarse and Fine, Screw Locking, Helical Coil, Cres Adapter, Pressure Lubricating Oil Servicing, Aircraft Fitting End, Standard Dimensions for Flareless Tube Co
24、nnection and Gasket Seal Mounting Pad - Swing Check Valve Element, Fuel Safety Wiring and Cotter Pinning, General Practices Transmitter Installation Clearance, Fuel and Oil Bosses, Fluid Connection - Internal Straight Fitting End, Standard Dimensions for Flared Tube Tubing End, Hose Connection, Stan
25、dard Dimensions for Packing, Preformed - Aeronautical, Elastomeric, Systems, Equipment and Facilities Type for Press Ure Thread Connection and Gasket Seal o Range of Sizes Range of Sizes Packing, Preformed, Elastomeric , Tube Fitting, Hearing Conservation Program The Naval Aviation Maintenance Progr
26、am 4 Licensed by Information Handling ServicesL, MIL-P-85486 28 7797706 O206704 8 M MIL-P-85486(AS) . AR-10 Maintainability of Avionics.Requirement and NAVAIR 00-35%-001 NAVAIR 00-35%-O16 MIL-BULL-543 Systems, General Requirements for Intermediate Land (c) Level .of Maintenance of V-Type Aircraft Cl
27、asses and Models of Aircraft System Command the Naval Air Systems Command Accountable General Support Equipment for Consumable General Support Equipment for all Types, List of Standard Drawings used by the Naval Air . MIL-BULL-544 List of Specifications and Standards Approved by (Copies of specif ic
28、ations , standards, drawings , and publications required by manufacturer in connection with specific procurement functions should be obtained from the procuring activity or as directed by the contracting officer . ) 2.1.2 Other Government Documents. The following other Government publications form a
29、 part of this specification to the extent specified herein. NATIONAL PUBLICATIONS NATIONAL BUREAU OF STANDARDS Monograph 125 Thermocouples-Calibration NATIONAL OCEANIC AND ATMOSPHERIC ADMINISTRATION NATIONAL AERONAUTICS AND SPACE ADMINISTRATION UNITED STATES AIR FORCE U. S. Standard Atmosphere, 1976
30、 UNITED STATES DEPARTMENT OF AGRICULTURE AMs 180 Grading Standards SRA AMs 251 Grading Standards SRA (Application for copies should be addressed to the Superintendent of Documents, Government Printing Office, Washington, DC 20402.) 2.2. Other Publication. specification to the extent specified herein
31、. is indicated as DoD adopted shall be the issue listed in the current DoDISS and the supplement thereto, if applicable. The following document forms a part of this The issue of the document which SOCIETY OF AUTOMOTIVE ENGINEERS ALVOSPACE RECOMMENDED PRACTICES 5 Licensed by Information Handling Serv
32、icesARP 1055 MIL-P-85q86 28 m 7779906 0206705 T MIL-P-85486 ( AS ) Fire Resistance, Fire Test, and Performance Requirements for Flexible Hose and Rlgid Tube Assemblies (Application for copies should be addressed to the Society of Automotive Engineers , Inc . 400 Conmionwealth Drive , Warrendale , PA
33、 15096. ) (Industry association specifications and standards are generally available for reference from libraries. and using Federal agencies ) 3. REQUIREMENTS They are also distributed among technical groups 3.1 model specification, in accordance with 6.5, shall be prepared by the APU manufacturer
34、and submitted for approval. features of the APU shall be provided in the model specification. included in this description; where applicable, shall be a description of such components as intake shroud; compressors, including number of stages, variable geometry provisions, acceleration bleeds; combus
35、tor type including method of fuel injection; turbine components including number of stages, cooling provisions; exhaust duct; APU control features; gearbox provisions; type of lubrication and scavenge system; hydraulic start motor; starting and ignition system; number and location of main bearings;
36、generator interface; ECU; instrumentation and performance indicating provisions. The performance ratings shall be specified in the model specification in accordance with Tables I and II. shown in Table III. accordance with Section 6. Item Definition. The APU is a deliverable system comprised of all
37、APU - components necessary to satisfy the requirements of this specification. A A brief description of the salient To be A detailed APU characteristics summary shall be included as Terms, symbols, and their definitions shall be in 3.1.1 Item Diagrams. model-specification. Item diagrams shall be prov
38、ided as specified in the 3.1.1.1 APU Svstem Data Submittal and ADDroval. and approval requirements will be covered by the contract and the model specification. The data shall be furnished in accordance with the Contractor Data Requirements List (DD Form 1423), as applhable. APU system data submittal
39、 Typical information and data required ase listed in 6.3.2. 3.12 Interface Definition. installation requirements shown on figure 1. mounting provisions, compartment cooling air, service connections, electrical, fuel and hydraulic connections require approval of the Using Service. fluid connections r
40、equire approval of the Using Service prior to incorporation into the design of the APU. APU configuration and envelope figure or in the text describing the applicable functional system. The APU shall be installed within the physical Interface definitions for All All interface definitions shall be sh
41、own on the 6 Licensed by Information Handling ServicesMIL-P-SLI86 28 = 7777706 0206706 L 3.1.2.1 Drawings. The following drawings, as figures, shall form a part of the model specification. included in ths model specification. Reduced size copies of these figures shall be a. APU Configuration and Env
42、eloue Figure. This drawing shall include detailed profiles in all planes to show and identify the physical interface features of the APU. for the APU and all installation items, clearances for installation and removal of accessories and components subject to separate removal, access for adjustments
43、and other maintenance functions, and center of gravity of the APU including all of the APU components and accessories located in the APU compartment before servicing with fuel, oil or hydraulic fluid. This drawing shall show the maximum space required by the APU including tolerances and dimensional
44、changes due to manufacturing, thermal effects, vibration, and operating and externally applied loads. The drawing shall show mounting details and tolerances b. APU Electrical Installation Connection Figure. This drawing shall show and identify all APU systems external electrical circuit requirements
45、 and installation interface connection details. c. APU Component Installation Finure. This drawing shall show the installation of components not mounted on the APU. d. APU Basic Assemblv Figure. This drawing shall show the major assemblies and referencing sub-assemblies and APU parts list. 3.1.2.2 M
46、ock-up. the applicable contract. 3.1.2.3 Installation Interfaces. APU features affecting APU installation interfaces shall be identified and defined in the model specification. A full scale mock-up shall be prepared in accordance with 3.1.2.4 Moments of Inertia. specification. The following shall be
47、 specified in the model a. The maximum effective mass moment of inertia (slug-ft2) of the complete dry MU about three mutually perpendicular axes with the origin at the center of gravity. b. The maximum effective mass moment of inertia (slug-ft2) of the complete APU rotor system (including the gear
48、train, driven components and the generator) referred to the turbine rotor. turbine rotor when viewed looking forward from the exhaust exit shall also be specif ied. The direction of rotation of the 3.1.2.5 Externallv Applied Forces. The AP shall function satisfactorily under the conditions specified
49、 in 3.1.2.6 and figure 2 without permanent deformation and shall operate satisfactorily thereafter. The APU shall also not fail when subjected to static loads equivalent to 1.5 times those values 7 Licensed by Information Handling Servicesbut the APU need not operate satisfactorily thereafter. The limit loads shall be based on a weight factor consisting of the dry weight of the APU, increased by the specific weight allowed for all APU mounted components, accessories and operating fluids. weight of these components will be included in the weight factor. A report shall be submitted to
