1、HIL-T-5791A. ( USAF) 8 Dccenfber 193 Superseding 15 August 1950 MIIrT-5791 (USAF) MILITARY CF%C IFLCA TION EUINER, TERRAIN PROJECMR, PILOTAGE, TYPE T-1 10 SCOPE 1.1 This specification covers one type of pilotage terrain projector trainer, designated (For) Ready-Mixed Paints Cushioning Wterials, Cell
2、ulosic Packaging and Packing for Overseas Shipnent; General Specification Preservation, Methods Of Packaging and Packing for Overseas Shipment, Tape, Adhesive, Pressure43ensi tive, Water Resistant Crates; Wood, 1,-Pound Maximum, Ldd, Open, Domestic Drawings and Data Lista; Preparation Of (Far Engine
3、s, Accessories and Other Auxiliary Equipment) Crates; Wood, Open, Demountable 10, Lb. Maximum Net Load Crates and Eoxes; Aircraft and Airframe Component Parts ($eneral Specification For) Wiring, li.aining Devicee; installatim of Screw Rireads; Standard, Aeronautical Marking of Shipmenta Identificati
4、on Marking of U, S. Military RroperQ Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-3.3 Design and construction.- The trainer shall be designed and constructed 80 that no parta will work loose in service. thsa atrains, jars, vibrationa, and other co
5、nditions incident to shipping stoago, installation, and service. It shall be built to withstand 3.3.1 !lhe trainer shall be censtructed so that adjustments and repairs ( can be easily made by the personnl of operating mita and overhaul bases without the use of special tools. ? . - -_ - - I _ - - _ _
6、 I r- - - MIL-T-577LA 67 7977706 0375307 2 W -2- MIL- T-579U ( USAF) PUELICA TION AIR FORCE-NAVY AERONAUTICAL EULLETIN 143 Specifications and Standards; Use of (Copies of specifications, standards, and publications required by contractors in connection with specific procurement functions should be o
7、btained from the p Iring agency or as directed by the contracting officere) 3.1 Component parta.- The trainer shall consist of the follcwing c anponents : Terrain projection assembly Projection control box Projection screen Terrain plate 3.2 Material2 3.2.1 Specifications and standards,- Specificati
8、ons and standards for all materials, parts, and Government certification and approval of processes and equipnent, which are not specifically designated herein and which are naces- sary for the execution nf this specification, shall be sbSocted in accordance with Euiletin No. .43, except as psocrided
9、 in the following paragraphs 3.2.1.1 Standard parts.- AN or MIL Standard mts shall be used wherever Canmarcial utili parts, such as acrews, bolts, nuts, cotter pina, they are suitable for the purpose, and shall be identified by their part numbers. et cetera, may be used, provided they hav suitable p
10、roperties and are replaceable by the AN or ML Standard parts without alteration, and prdded the corresponding AN or Ma part nunbrs are referenced on the bawings and in the parta lists. AN or Ma part is in effect on date .of invitation for bids, comercial parta my be used provided they conform to the
11、 requirements of this spscificatimr In applications for which no suitable corresponding 3.2.2 Protective treatment.- When materials are used in the cmtruation of the trainer that are subject to deterioration when exposed to cliaiatic and environmental conditions likely to occur during semice usage,
12、they shall be protected against such deterioration in a manner that will in no way prevent compliance with the performance requirements of this specification. The use of any protective coating that will crack, chip, or scale with age er extremes Qf climatic and nvironmental conditione shall be avoid
13、ed. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-shall consist of the following: 3.3.2.1 Ease assembly rail.- A base asaembly soil shall be provided on which the terrain projection assembly is mounted, to allow the projection eissmbby %o rtzits th
14、rough 36 degrees of heading. nie rail shall be designad for seewing to the f8soxa by hold-down bolts and leveled by leveling screwso Hobes shall be accuracy of dimensions, radii of fillets, and marking of parts and assenbliss; thoroughness of soldering, wolding, brasing, painting, wiring, and riveti
15、ng; alignment of parts and tightness of assembly screws and bolts; ot cetera. Particular 3,9.2 Riveting.- Riveting operationa shall be carefully performed to insure that the rivets aro tight and satisfactorily headed. i1 3.9.3 Cleaning.- The trainer shall be thoroughly cleaned, and loose, spattered,
16、 or exces8 solder, metal chips, and other foreign material removed during and after final assembly. 3.10 Government-furnished property.- When provided for in the contract cw purchase order, the following item will be furnished by the Government to the contractor, upon his request, for use in fabrica
17、ting the trainer: Item Description Quantity 1 1100-563217 Plats - Photo Projection, Strip 1 No. 6, Area No. 3, U. S. Air Force Specification No. 24906 4. SAMPLING, INSPECTION, AND TEST PROCEDURES 4.1 Inspectim tests: 4.1.1 Individual tests.- Each trainer shall be subjected to the following tests: 4.
18、1.1,i Examination of produet.- Each trainor shall be inspected to determine complianco with this specification with respect to materials, workmanship, and marking. 4.1,1,2 Operation.- The operating switches shall be turned on and the following tests shall be conducted: 4.1.1.2.1 nie terrain projecti
19、on assenMy shall be rotated until the A terrain plate shall be placed in the azimuth indicator points to zem. terrain plata earriage. projector switch and groundspeed drive switch shall be turned on. plate shall not deviate in direction fra one end of the terrain plate to tho opposite end. The drift
20、-angle control shall be sot at zeroQ nie The terrain 4.1.1.2.2 With the groundspeed control set at 300 knots and the drift at zero, the drive shall cover a distance of 90 nautical miles on the brrain *te in an 1R-ninute period. Provided by IHSNot for ResaleNo reproduction or networking permitted wit
21、hout license from IHS-,-,-6- MIL-T-579lA (USAF) 4.1.1.2.3 The image on the screen shall remain centered as the trainer is rotated through 360 degrees. 4.2 Retest.- Rejected trainers shall not be resubmitted for inspection without a report furnishing full particulars concerning previous rejection and
22、 measures taken to overcome the defects. 4.3 All parts, specimens, or assemblies destroyed in making tests required by this specification, to determine compliance with the specification, shall be in addition to the quantity specified in the cQntract or purchase order and shall be furnished without i
23、ncreasing the cost of the contract or order. 5. PREPARATION FOR DELIVERY 5.1 General. - “he packaging, packing, and marking requirements specified herein apply only to direct purchases by or direct shipnents to the Government. 5.1.1 Disassembly. = Unless otherwise specified, each trainer shall be di
24、sassembled into the following major components: base rail assenibly, terrain base Prame, plate carriage, projector assembly, focusing lens support, prw jection control box, and projection screen. disasaembled by removing the focusing lens and the azimuth indicator, nie screen frame shall be complete
25、ly disassembled in order to conserve packing space. to insure economical and adequate packaging of the material, screwa, and other small items of hardware removed and not replaced, shall be cleaned, treated against corrosion, placed in cloth baga, and securely fastened to the part fran which they we
26、re removed. The focusing lens shall be further All other major components shall be further disassembled as necessary All nuta, bolb, 5.2 FPeaervation and unit packaging. - Unless otherwise specified, each disassembled component of the trainer shall be protected fran corrosion in accordance with Spec
27、ification MIL-P-116, as follows 2 5.2.1 me base rail assembly, plate carriage assembly, and the focusing lene support frame shall each have all unpainted metal surface8 treatrbd against corrosion in accardance with Method I and shall be enclosed in an adequata container. 5.2.2 me terrain base frame
28、assembly shall be sealed in moisture vapor- proof barrier material and bolted or ot&erwise securely fastened in a container as specified in Method IIA. 5.2.2,l All sharp corners and projections shall be covered with cellulose wadding confonning to Specification UU.C-843 and secured with vessure- sen
29、sifive tape c doming to Specification JAN-P-127 . frame assembly shall be adequately packaged and securely fastened inside the container. 5.2.2.2 Any mechanical or electrical item8 removed fran the terrain base 5.2.3 Zhe projector assembly, computer box assembly, focusing lens Provided by IHSNot for
30、 ResaleNo reproduction or networking permitted without license from IHS-,-,-. -7- MIL-T-579l.A (USAF) 5.2.4 The mirror assembly shall be wrapped in tissue and enclosed in a 5.2.5 “he screen assembly shall be wrapped in Grade A paper and enclosed snug fitting container. in a fiberboard container. 5.2
31、.6 Far direct shipnent to a domestic using activity, the terrain base frame assenbly and the entire trainer shall be shrouded in waterproof barrier material. me mois tilre vapmproof barrier material, dessicant, and humidity indicator shall be omitted, 5.3 Packing,- Cushioning, blocking, bracing, and
32、 bolting, as necessary to prevent damage incident to shock or impact, shall be in accordance with specification JAN-P-100. 503.1 Domestic shipment.- Exterior containers for dmestic shipment 5.3.2 Export shipment.- Exterior containers for export shipment shall 5.4 Marking of shipments.- Interior pack
33、ages and exterior containers shall conform to Specification MIL-C-Ub9, MIL-C-5406, or MIL-C-6057. conform to Specification MIL-C-6057, Style A. shall be marked in accordance with Standard MILSTD-129. shall be as follows: The nomenclature Wainer, %main Projector, Pilotage Type T-1 Spec if Ica ti on M
34、IL- T-579 1 Mfrls. Part No. .I( + Applicable data shall be entered by the contractor. 5.4.1 Additional marking.- The following marking shall be added: FRAGILE DELEA T% INS IRUMENIS HANDLE WITH CARE 6. NOTES 6.1 Use.- The Type T-1 trainer covered by this specification is intended far u88 in simulatin
35、g projected flights utilizing the mosaic terrain plates in any direction, at any speed from O to 650 knots, with drift from 40 degree8 right or left at an altitude approximating 10, feet. The aceuracy must be consistent with that of navigation over actual terrain. 6.2 Ordering data.- nvi.tations for
36、 bids, contracts, and purchase orders should state conditions for the following: 8 by 10 inches, glossy, captioned, clear+ack, catalog photographic prints of good definition, illustrating the completed trainer and ita components, shalbe delivered to the USAF procuring property class with or prior to the delivery of the first trainer. 6.2.1 Final photographs.- Three sets of at least 3 scale dews, - - Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
