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    AIR FORCE MIL-C-8492-1953 CAMERA STILL PICTURE AIRCRAFT RECONNAISSANCE TYPE KA-1( )《KA-1型航行器侦察静止图片照相机》.pdf

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    AIR FORCE MIL-C-8492-1953 CAMERA STILL PICTURE AIRCRAFT RECONNAISSANCE TYPE KA-1( )《KA-1型航行器侦察静止图片照相机》.pdf

    1、- . - . . ._ - MIL-C-472 67 W 7779706 0148432 b W ULITARY SPECIFICATION CALERA, STILL PICTUHE, AIRCRAFT RECCNNBISsBiJCE, 1 1, SCPE 1.1 This specification covers me type of aircraft mra utilizing a 12, 24, or 36 in?lates, shipping records, and in instruction books, as applicable. This number will be

    2、furnished upon application by the con- The 2. APPLIcbBLE SPECIFICATIONS, SWiXUDS, DRAWi-JGS, LUZ) PU3LICAJXOiJs 2.1 The following specifications, standards, drwings, and publications, - -_ of the issue in effect on date of invitation for bids, form a part of this specification to the extent specifie

    3、d hereh: TT4-595 Colors; (For) Ready4ixed Paints ?!iUL1= ma-5272 Preservation, Methods of Desiccants (Activated) in Bags; for Static Dehumidification and. Packaging Case, Carrging and Storage, Shock and Eaterproof Draxings and Data Lists; Fkepration of (For Engines, Accessories, and Other Auxiliary

    4、Equipment) Enuironmental lbsting, Aeronautical and Associated Equipment, (General Specification For) Enamel, Wrinkle Finish, For Aircraft Use Interference Limits and Test; Aircraft ElectricCl and Zectronic Equipment Lens Cone, Aerial Camera, Type G-1, 24 Inch fh.0. 9 x 18 Inch Format Lens Coie, Aeri

    5、al Camera, Type G2, 36 Inch f/8., 9 x 18 Inch Format Lubrication of Aircraft, GEneral Specification For dniplifier, Electronic Control, Servo Motor, Universal Camera* Control System, Qpe E=l Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-BY72

    6、b7 7977906 OLY1133 m -2- -492 (-) ML. Use of (Copies of specifications, standards, drawings, and pubUtio,qulred by contractorsl in connection Ritb specific pmcurement functions shdd be obtained frcan the Procuring Agency or as directed by the contracting officer.) 3.1 Component psrts.- The camra sha

    7、ll consist of the following components h the quantities specified by the PIOcuring Agency: .l I t -. - 3.2 Materials, parts, snd processes.- Materials, parts, and processes shall be as specified herein and in accormce wit provisions of Section II of Standard ?ELSI%lZ. 3.2.1 Specifications and stuida

    8、rds.- Specifications and standaAs Tor aU mzteriald, parts, and Government certification and approval of processes and equipment, which are not specificzlly designated herein and i.rhich are necessary for,the execution of this specification, shall be selected in accordance with Bulletin No. 143, exce

    9、gt 8s provided In the follaving paragrqh. they are suitable for the purpose, and shall be identified by their part numbers. Comercial utility parts, such as screws, bolts, nuts, mashers, cotter pins, et cetera, may be used provided. they have suitable properties and are replaceable by the BiJ or i3L

    10、 Standard parts without alteration, and ?ro- vided the corresponding AN or XiL numbers are referenced on the drawhgs and in the parts lists. or lIL part is in effect on date of invitation for bids, comercial prts may be used provided they conform to all requiremnts of this specification. 3.2.2 Conim

    11、srcial parts.- in those instances where comercial parts are specified as part of any component, substitution cf other conmercial parts, equivalent to those specified, shall be subject tio tkie approval of the Procuring Agency. types or shall be suitably processed to resist corrosion to the greatest

    12、exbent practicable. 3.2.21 Standwd parts.- AX or MIL Standard parts shall be used wherever In applications for which no suitable corresponding Ali -_ 3.2.3 Corrosion resistance.- Materials shall be of corrosion-resisting Provided by IHSNot for ResaleNo reproduction or networking permitted without li

    13、cense from IHS-,-,-3.3 Design,- The cansera design shall confonn to the component speci- fication end the details specified herein, 3.3.1 General.- Borns, cases, shields and compartment IV alls shall be cast, drawn, or bent and mlded, except where ease of servicing of the mera requires that a remova

    14、ble panel oonstruction be used or tvhre the applicable stresses dictate the use of a strong aluminum or magnesium alloy that does not provide a good weld; for such parts riveting or bolting may be used. 3.3.2 Ease of maintenance.- The camera shall be contained in a minim number of assemblies, The de

    15、sign shzllutilize readily removable and re- placeable units to fadlitate maintenance, repair, and adjustment with a niiinimum lfdown-t;imefl of the entire camera; the equipment contained in such units should be associated functionally as well as physically. the drive mechanism requiring timing shall

    16、 be provided with timlng marks for indication of proper alignment. . 811 parts of 3.3.3 Mode of operation.- The camera shall start the cycle of operation upon receipt of an external 28volt dc control pulse of 0.040 to 0.360 secand diirsrtlon. This pulse toill be supplied from a magazine, Intervalome

    17、ter, cr the Universal Camera Control System. shall cause the shutter blades to open at such a time that the proper in the case of direct current drcuits, the negativic side thereof shall be connected to tie contzcts. Completion of circuits to negative shall not depend upon con- tact between componen

    18、t parts. 3.3.6.2 WMng diagram.- A legiblo schematic wkring diagram of each component circuit shall be permanently and legibly marked in a readily visijle position on the component. Electrical symbols shall conform to Standard Raiabd radio inter- 3.3.6.1 Grounding and polarity.- The wA“ cmtacts of al

    19、l power supply JANsm15. 3.3.6.3 Wiring identification.- The covering for the wire in the camera shall be colored to identify the various circuits so that each drdt can be tracedthrough the entire cemera without the use of auxiliary means. Wiring carrying negative supply circuits shall be solid black

    20、, positive supply _ circuits solid white, 3.3.6.4 Motor protector.- Each motor, except the servo motors, unless -able of being stalled indefinitely roithout ham, shall be equipped with a .thermal protective device. The protector shall be of the recycling type, and its operation shall not be substant

    21、ially affected by the altitude, accelera- tion, or vibration encountered in aircraft. The device shall protect against locked rotor opeliatcLon in such a manner that ma- torque is delivered before the motor circuit is opened. withjn the motor housing or in a cornpartnient uhich is substantially a pa

    22、rt of the motim. The protector shall be mounted either 3.3.6.5 Hire connectors.- Wire connectors sial1 be utilized wherever practicable to facilitate dismantling and re-assembly of the caniera and replacement of major sub-assemblies nithout cutting or unsoldering of wires, O“C). 3.5.2.2 Altitude.- C

    23、ontinuous operation at barometric pressures ranging from 30 inches of mercury dom to 3.4 inches of mercury (approximately 50,000 feet altitude. ) 3.5.2.3 Humidity.- Temperature,- imperature ranging from -65 to *16F (=SE; to +71 C). 3.5.3.2 Fungus.= Fungus growth as enoountered in tropical climates.

    24、3.5.3.3 Sand and dust.- Exposure to sand and dust particles as en- countered in desert areas. 3.5.3.4 Acce1sration.- The equipment shall be capable of operation after exposure to accelerations of 6g*s for a period of three seconds. I - . _-_- 3.5.4 Attitude.- The equipment shall operate Fn any attit

    25、ude or position. 3.6 Interchangeability.- 811 parts having the sanie manufacturers part number shall be directly arid completely interchangeable with each other nith respect to inatallation and perfor1ii3nce. Changes in manufacturers part numbers shall be governed by the drawing number requirements

    26、of Specification MILD-928. 3.7 Dimensions.- The size of all components shall be as specified in the component specification. 3.8.1 EMerior.- All exterior surfaces, except as specified herein, shall have a Type II corrosion and abrasion resistant finish in accordance wiih Specification aG5558. Machin

    27、ed mating surfaces on the camera and other machined surfaces for accurately mounting parts shall be left in their smooth state but shall be protected by ap electrolybic or chemical finish. If such a finish is not feasible, such surfaces shall be pro- tected by a light application of high grade, hard

    28、 industrial wax except where contact for prevention of radio interference is necessary. 3.8.i.i Color.- The color shall be in accordance with Colar No. 1645 conforming to Specification TT-C=59S0 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-8.1 MIL

    29、E8492 (USAI?) 3.8.2 Interior.- All interior surfaces of the canera shall be finished to provide a kable, black, matte, lau-mflecting surface which shaU be suffiden+,ly Cai11 to hold light reflections to a minimum. omitted on %he i.iring. 4.2.1 Exmination of product.- The item shall be inspcbd to de-

    30、 teroiine compliance with the requirements of this specification for which tests am not specified, including werkmansldp, finish, nameplate et cetera, bZ.2 Radio interference pretest.- The item shall be tested for radio interference characteristics, using a radio receiver tuned to selected frequenci

    31、es and nfth definite sensitivity settings, both prescribed by the Government Inspector and based upon maxlawn interference level exprienm. Itema which, in the opinion of the Government Inspectar, may han too high radio interfemnce levels, shall be subjected 4% the raio interference test of Standsrd

    32、MIL-sTD-152. 4.3 sampling tests: 4.3.1 Durabiliw test.- The durahility tests shall be as specified- in 4.3-2 Enaormrsntal testing Se)-c8.- The testing s8quence shall be as the component specifications. specifisd in 4.2 of Standard lQLSTD=lL bT13 Teat fadlities axri measurements.- Test facilities and

    33、 measure- ments: sbl meet the requirements of Specification huLIM272, k3.4 Environmental test procedures.- When the environmental tests me conducted on individnal components, simulated loading fixtures may be used in ieu of the other camponenta for tb required operation. ance with 4.2 of Standard MI

    34、cSl% 4.3.4.1 Radio interferen test.- The test shall he ccnducted in accord- Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-LI92 b? W 9999906 014LIl.11 3 W -lo- MiLcS492 (UsAl?) 4.3.4.2 High temperatum test (equipant operating),- The equipment

    35、The temperature within the chamber shall shll be placed irithin the test chamber with complete electrical and mechani- cal cannections for opera*ion, then be raised to +120 F (49C) with relative humidity af not more than five percent. The equipment shall stabilize at this tanpemture, The stabilized

    36、condition shall be maintained for a period of four hours. The equipmexki shall be operated to insure that all functions emept optical tests requirements am perfornisd pPoperly, 4.3.4.3 .gh temperature test (equipment non-operating),- The tests s-mI be conducted in accordame nith 4.4.3 of Standard wT

    37、D-152, 4.3.4.4 Low temperature test (equipment operating),- The eqyipment sWL be placed Rithin the test chamber with complete electrical and mechanical connections for operation, to OF (-18OC) and msintained until the equipment has stabilized, ?ihre heaters are a part of the equipmnt they shall be t

    38、urned on at bast one hour prior to operation. The equipment shall ihn be operated as specified in the component spa cWication, The temperature of the chamber shall be reduced -_ - 4.3.4,s Low tenperatum test (ecluipment non-operathg).- The tests shall be conducted in aocordance with k4.f; of Standar

    39、d 16u-STD-152, L.3.L.6 Ambienit pressure.- !Che equipment sirill be placedwithin the test chamber and the absolute internal pressura redud to 3.4 inches of merdiry (oomspmding to an altltude of apprcdmately 50,oOo feet) and an amHent temperature of 70“ f 2F, The teata mey start inmediately upon atta

    40、inment of the above figures. The item shall be operated for 500 cycles at manay operation, The item shall than be removed from the test chber arad snapnitted to a detail inspection of all electrical contaats, motor camnutators, and brushes to determine if excessive pitting, burning, or an increase i

    41、n contact resistance or any other defect ha8 occurred which ahall constitute cause for rejection. During this test all functions shall be perfomd pmperly, 4.3.4.7 Explodon proof test.- The testa sbll be conducted in accordance with 4.4.6 of Standard MIcsTD-SS 4.3. L. 8 Accele ration te- (equipment o

    42、perating) .- Acleration test shall conform to Procedum II af Specification MILIL5272 except that the period of application of the acceleration shall be not less than the time required for a complete cycle of opmtion at kgs, and the fsot that the Government may have fonmilated, furnished, or in any w

    43、ay supplied the said draangs, specifications, or other data, is not to be regarded by implication or otherwise as in any mnner licensing the holder or any other person or corporation, or conveying any rights or permission to nianufacture, use, or sell any patented invention that mq in any way be reb ted thereto. JEL/i3d WCLFE Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-


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