1、MnrPkR SPZCIFICATTON CCMPASSES; GYRO FUX GATE L.ICIfTil3IGHT P-3 This specification has been approved by the Bureau of Aeronautics, Department of the Navy. 1. SCOPE ANiNr, CUSSIFTCATION l. l -.- This specification covers certain design reauirments and all per- formance requirements for procurement o
2、f lightweight P-3, gyro flux gate capasses. 1.2 Classification.- The gyro flux gate compasses covered by this specification shall be of one type only, the lightweight P-3. . 2. APPLTCABIE S?TC:CIFICATIOS, D!ANIS, AND OTiRR PUBLICATIONS 2.1 - General.- The following specifications, publications, ami
3、drawings of the issue in effect on date of invitation for bids shall form a part of this specification. Specif i cations .- Wilitary Suecifications .- KILD-5028 MILA-607R(Aer) LIL-I-h079(Aer) MItJ-5094( Aer) KILT-SO( Aer) JAN-1-225 Drawings and Data Lists; Preparation of Amplifiers; Gyro Flux Cate (
4、P-1 Automatic Indicatore; Master Direction (P-1 Automtic Junction Boxes; Power (P-3 Compass) Transmitters; Gyro Flux Gate (P-1 Automatic Interference Measurement, Radio, Methods of, (For lkgines, Accessodes and other Auxiliary Quipnent ) Pilot) (P-3 Compass) Pilot) (P-3 Compass) Pilot) (P-3 Canpass)
5、 150 Kilocycles to 20 Megacycles (for Components ani Complete Assemblies) Air Force-Navy Aeronautical Smciications.- AN-C-138 Compasses; Rmote Indicating Magnetic AN-1-27 AN-S-46 Interference Limits, Aircraft Engine Radio Switch Boxes; Caging (For Gym Flu Gate Compass) 2.3 w- o,. Other Publications
6、.- Bureau of Sumliss ani Accounts Publication.- Navy Shipaent larking Handbook Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-2.4 Drawinns .- Air Force-Navy Aeronautical Staxlard DrawinRs.- AN-5730 Compass - Rmote.Indicathg Yagnetic AN-5756 Switch B
7、ox - Caging (For Gyro Flux Gate Canpass) Naval Aircraft Factory Standord Drawin.- 1267 1246 1262 1245 Amplifier - Gym Flux Gate (P-1 Automatic Pilot) Indicator - Master Mrection (Pl Automatic Pilot) Junction Box - Power (P-3 Compass) Transmitter - Gyro Flw Gate (P-1 Automatic Pilot) (P-3 Compass) (P
8、-3 Composs) (P-3 Compass) MIL-C-5073 66 9779906 0324647 T 2.5 Availability of Specifications, Publications, and DrawinRs.- 2.5.1 . title and number. When requesting sp cifications, publications and drawings, refer to both 2.5.2 Copies of this specification .and applicable specifications and drawings
9、 re- quired for Government procurement may be obtained upon application to the Comnanding Officer, Naval Air Station, Johnsville, Pennsylvania, Attention: Technical Records Division. 2.5.3 Copies of the Navy Chipnent larldng Handbook mag be obtained upon application to the Bureau of Supplies ard Acc
10、ounts, Navy Department, Washington 25, D. C. 3.1 Materials.- The material.requirements shall be as specified in the detail specification listed in Table I for each component of the P-3. gym flu gate compass. 3.2 Desim and Construction.- The P-3 gyro flux gate compass shall consist of a rcmiote readi
11、ng, gyro stabilized, earth inductor compass system. The compoiients shall conform to ad be approved in accordance with the applicable specifications ad dranings listed in Table I. 3.3 Performance.- The P-3 compass shall satisfy the performance requirements as specified in section 4 under paragraphs
12、headed as follows: Power Supply Variation Error Field Strength Variation Error Tilt Error Master Indicator Sensitivity Secondary Indicator Sensitivity Uncorrected Error Power Consunption Secondary Indicator Error Secondarg Indicafor Load Error Radio Interference Flight Tests Cagirig 3 04 Interchange
13、abilitr.- The manufactureris name and basic part number shown on the nameplate of each component shall be the same as the manufactureris name and part nuniber referenced on the rnanufacturerts drawing. Each camponent of the P-3 compass shall be inter- changeable with the similar component of the sam
14、e manufacturer. part numbers shall be governed by the drawing number requirements of Specification YIGD-5028. Changes in manufactureris i: 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-the and c 3.5 MIL-C-5073 bb 777770b OL2Yb50 b = m-C-S093( Aer
15、) C(X!FONYNT Amplifier; Gyro Flux Gate Indicator; Master Direction Junction Box; Power Snitch Box; Caging, (Por Gyro Flux Gate Compass) Transmitter; Gyro Flux Gate Indicator; Secondaiy (Optional) SPECIFICATIONS 11-6078( her) MILi-6079(Aer) MILJ-5094( Aer) AN-S-48 LIIGT-6080( Aer) AN-G138 DRANIN8 NAF
16、 12 This procedure shall be repeated at 90, 180, and 270-degree 4.4.3.2.U Radio Interference.- The P-3 compass shall be electrically connected to the pciied power ource and tested for conducted and radiated radio interference.- ._. 7 Provided by IHSNot for ResaleNo reproduction or networking permitt
17、ed without license from IHS-,-,-MIL-C-5093 66 m 7777906 0129655 5 4.4.3.2.11.1 Conducted interference- The equipnent and test method used shall conform to Smcification JAN-1-225. the freqwncy range 0.15 to 0.20 megacycles ard 50 microvolts in the range 0?21 to 20.0 megacycle s. The conducted radio i
18、nterference shall not exceed ax) microvolts in lr.4.3.2.11.2 Radiated Interference.- The equipment and test method used shall conform to Specification AM-1-27. The radiated radio interfemnce. shall be less than 2.5 equivalent input microvolts in the range 0.20 to 0.M megacycles ard one equivalent in
19、put microvolt in the range 0.51 to 18 megacycles. In the range 100 to 155-rnegacycles, the nose shall not exceed the receiver background noise. Flipfit Tests.- Tk flieht test shall consist of flying an airplane wing a 4.4.3.2.12 P-3 compass to determine that the range of operation of the P-3 compass
20、 4s within the Uts specified for the applicable components of the P-3 compass. Rejection and Retests.- Any P-3 canmss system ahich has been rejected may be reworked or replaced to mrrect the defects and resubmitted for acceptance. ting, full particulars concerniw previous rejection and the action ta
21、ken to correct the defects found in the origiml shall be furnished the Inspector. P-3 compass systems rejected after retest shall not be resubmitted without specific approval of the Bureau Of Aeronautics. 4.4 Before resubmit- 5. PRPARATION FOR nELlV3RY 5.1 specification. of the P-3 compass shall be
22、as specified ln each component specification, There are no packaging, packing, and marking requirements applicable to this The. packaging, pacldng, and nrarking for shipnent requirements. of each COmponelrt . 6.1 aircraft to indicatecontinuously the heading of the aircraft nith respect to the earths
23、 magnetic field. Use.- The P-3 compass covered by this specification is intended for use on 6.2 Orderiw Data.- Requisitions, contracts, arid orders should specify the part number of the compass desired, quantity, and whether overseas packing is to be furnished. on P-3 compass systems nhich have not
24、been subjected to the required Wlification Tests and found satisfactory. The attention of manufacturers is called to this provision, and they are urged to request authorization for tests of the P-3 compass systems which they propose to offer to the Rureau of Aeronautics under this specification. (an
25、d for information as to the test fees if any) should be addressed to the Bureau of Aeronautics, Navy Department, Plashington 25, n. C. at no cost to the Government and that the nianufacturer shall pay all transportation charges to and from the point where tests are made. sideration will be given to
26、the request of the manufacturer for additional tests only after it hab been clearly shcmn that changes have been made in the product which the Bureau of Aeronautics considers sufficient to warrant additional tests. 6.3 Provisions for Qualification Tests,- The right is reserved to reject any bids Req
27、uests for authorization of tests It ie to be understood that the samples will be furnished In case of failure of the samples submitted, con- 6.3.1 It is to be understood that compasses supplied under contract shall be identical in every respect to the sample tested and found satisfactory, except for
28、 changes previously approved by the Government. shall constitute cause for rejection. Any unapproved changes from the qualification sample 8 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-a MIL-C-5073 66 m 77797Ob OL24b5b 7 m NWICR: Y,bn Government
29、drawings, specifications, or other data are used for any prpose other than in connection with a definitely related Government procurement operation, the United States rfivernment thereby incurs no responsibility nor any obligation whatsoever ami the fact that the Government my have formulated, furni
30、shed, or in any way supplied the said drawings, specifications, or other data is not to be regarded by implication or otherwise os in any manner licensing the holder or any other person or corporation, or conveying any rights or permission to manufacture, use or sell any ptented invention that may in any way be related thereto. 9 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
