1、 . . . . i. . . 1 I 1 3 ._ . .- 1 , . . . . .“.“.“.“., . . “ .-. . . I- ._- . - ._-_ - I.- -. 1 -i . . - -.- -, .-. . - - -. . .-.- 1 _._- -.-. I . - . -. 1 MILiTJIRY SPECIFEATXIN DYNAMOTOR DY-77/AIC-10 1. SCOPE paner supply, des ignated Dynamotor DY-fl/AIC-lO. Dynamotor DY-77/AIC-10 is one item of
2、Intercommunication Set AN/AIC-O. - 1.1 This specification covers one type of dynamotor high voltage _ . 2. APPLICABLE SPECIFICATIONS, STAM1A-S AND DRAWnoB 2.1 The following specificatiom, standards, and drawings of the . baue in effdct on the date of invitation for bids shall fork a part of :. this
3、specification to the extent specified herein8 . , . 5 . _t he suitab.Uity of the proposed / - LI t. _- - for we in determining, 1aborat tests, substitution. . Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-. . . . . 1 . . . . . . . . . . ! . . . -.-
4、.- I.- -_ _._ . -.=j -._-I.- _._ _-_- . _-_.-.-_-.-. . _-. . .- -._ -_. _.-_.- . . . . ._ . . . . . . . . . . . . . .i . 1 . . . -. . . I . . . . 1 . 1 3 . . . .-. . ., . _._- . . - _ 1 I . .- -, ._ .- . 2 ( I I . ._. . . ._. _._.- .:._ _- . 1 . .- . 1 . .- ._- -.-. . ._.- _._. .- _._-._-.- . - -. i
5、 - _ . 5 . . . 1 . . .I . _. -._I I . . I -.-_. ._I_ ._-._. . .-. . ._ -_-_. .-_ - - . I - -_-.-. _. . . . . -1 _-_._. .-._ . . , . . . . . . .-. A-. _.-._. - -._ . -.- . i .I . i . . . . . . . . . . . . . . . . . . . . 1 MIL-D-7283 bL m 77777Ob 0085540 O m . .- I -3- MILD-9283 (USAF) A model of Dyn
6、amotor OY-77/AIC-10 shall seme and performance only in those instances not specifically covered by this qx?cification. 3.1.3 Associated Equipment.- 3.1.3.1 bountin.- The mounting for Dynamotor DY-77/AIC-10 is Mounung MT-l06O/U. This mounting is detailed on Drawing 53213475. 3.2 m amo+,or Kachine.- T
7、he requirenents section of Specification MIGD-21, is applicade to the dynamotor machine with the following exceptians, revisions or additions to the paragraphs of Specification MtD-21, as identified by the similarity of paragraph headings : 3.2.1 QuaU.fication.- Not applicable . a 3.2.2 Design and C
8、onstruction.- The dynamotor shall be designed for dc voltage to dc voltage conversion with one input voltage and one output voltage. The output voltage, efficiency, regulation and ripple characteristics shall be compatible with the perf oxmance characteristics -specified for the caplete dyna- motor
9、supply. * 3.2.2.1 Brush Holders.- All brush holders shall be insulated from the frame of the dynamotor machine, 3.2.2.2 Brush Assemblies.- nie design of the brush assemblies ahall be such that the brush spring cannot contact the commutator at the end of brush life. wrinkle enamel finish in accordanc
10、e with Specification XILE-5558, Type 1. 3.2.2.4 Finish,- The finish of the dynamotor machine shall be a black- 3.2.2.5 Duty Cycle.- The dynamotor machine shall be designed for a COW 3.2.2.6 Dimensiais and WeiRht.- The maximum overall dimensions shell be The tinuous duty cycle. 4 9/16 inches long by
11、2 3/4 inches in diameter exclusive of screw heads. weight of the machine shall not exceed 2 pounds and Jl ounces. 3.2.2.7 kclosure.- The Dynamator shall be totally enclosed. 3.2.2.8 Internal r/iarkinq.- Lubrication instructions shall be rniarkec on the ntsrior surfaces of the end covers. 3.2.2.9 Ide
12、ntification Marking.- “he input arid output end8 and direction of roidkion shall be identified. . %. . _- -=. . ._ . . . - . i : - -. A - A a, .- _ . Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-i t:-.-:z: , - . . . ,. .-. . ._-. . “.A.-. _ . .-.
13、_“ ._.- . .- -. -.- . -.-.-.-. ._-. -.-.- i - . ,. . -. ). _-I_ -. _.-.-. . .- . .I - .- -. MIL-D-4283 bL m 9779906 00855gL 2 -4- 3.3 Dsn motor DY-77/AIC-10.- 3.3.1 mectrical PerfoFmanC6.- 3.3.1.1 Input VoltaRe The nominal input voltage shall be 27.5 volts dc. . 3.3.1.2 Output Voltage.- With an inpu
14、t voltage of 27.5 volts dc, the out- put voltage at full load (U5 milliamperes) shall be not less than 157 volts nor more than 179 volts. 3.3.1.3 input Current.- The input current at nominal input voltage sb11 not exceed 1.75 amperes with the dynamotor delivering the full load current of 125 miliimp
15、eres. 3.3.1.4 Rem1ation.- With an input voltage of 27.5 volts dc, tion from full load to no load shall not exceed 23 percent. 3.3.1.5 Ripple Vo1tae.- The ripple voltage shall not exceed when tested as specified herein. the regula- 0,050 .wits 3.3.1.6 Operation with Intercommication Set AN/AIElO.- Th
16、e dynamotor shall provide satisfactory performance and shallnot adversely affect the per- formance of any other component of Intercommunication Set AN/AIC-10 when inter- connected with and operated as a part of that equipnt. _ 3.3.2 Temperature Rise.- The temperature rise of the armature shall not e
17、xceed 60%, and that of the frame shall not exr:.ar,d 35OC when tested as speci- f ied herein. 3.3.3 Operation at Kaxirmun and Minimum Iamt Voltages.- The dynamotor shall. operate under full load without detrimental effects at any dc input volt- age within the range of 24 to 29 volta. 3.3.4 Low Tempe
18、rature Startina Characteristics .- The dynamotor shall mach 65 percent of the full load specified herein. 3.3.5 EScplosi6n.- The ignition of exp$osive vapor outputvoltage within five seconds when tested as dynamotor w;ut valtage OE 27.5 verit : . . . . . . - . -.- -.-. . . 1 .- . . . . -n .-. . . .
19、- - -_.- -.- _._ - -. 4 . . . . . -.- _- - 1-p . _ . _-_.-.- - . . -.- , . ,. . . . . ,_. . -._.- I_ . ._._-_-.-.- _ . . ,_. n F“ . ._ . I ,. 1 . . -._ .-. - . _._ -_-_._. ._. _-_-.-.-.- - . - . . -._._._ .-.- - r: :. _ I .- . i , . , . . , 1 -. - ! . ! . f.:- . . . .-. -t , . . . 1: f : :.; i:-:;:?
20、: . . . .-. . .- . . i Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-I MIL-D-7283 bL m 7779706 00855q2 m .I_ _.-._ . . . . . -_ .- . i . . . . .-_. . , _.- . . _ . . . _.- . - . - . . . _.-. . . . . . . . . . . . . . . . . . . I . . . . ” . . . . .
21、 _. ._ ._._._. . _ . - . - ._ _- . . _ . .- .- . . . . : .- . . _-_ . . . . . .-.- _._-. -. _.- _. / -5- - , =L-D-9+3( w) a. Failure to deliver rated output, b. Poor commu el_l_ -I_ -i=?:ix:r. number involvedg name and address of prime contractor, and name and address of .: -.-.i ,.- ,. -. - (Y;Fi;.
22、t , (1) Review of the mechanical design and workmanship. * , (2)-Perfonqnce of my tests which may be deemed necessary -;.% i d. after a review of the contractors test ropo; -L *i-. -r- 2% -j / - ,. - _.- - . , -.-. - . ._- - . - Y 4 f. . f _- . - Provided by IHSNot for ResaleNo reproduction or netwo
23、rking permitted without license from IHS-,-,-1 . _._.- . . ._ . . -.-.- -_. -._-_ I_._ . . . -.-. _.- -1. _._ .- . . -_ .-. i - . . . _ -.- _ _._ - . . . - . . . . . . . . . . . . .-. - . . i . - . -d I -9- - TEST PARAGRAPH OF SPEIFEATICE TEST _- Salt Spray Ya-E5272 Visual and mechanical inspection
24、4.6.2.2, Ya-c MIL-E-5272 lorly tm dynamotors need be subjected to the temperature-rise test. 2ne of the samples tested shall have been subjected to the temperature-rise test. 4.3.5.2 Operation at Maximum and Minimum Output Vo1Dages.- A resistive - load of 1300 ohms shall be connected to the output t
25、erminals of the dynamotor supply, voltage of -dE: -_ . _.- - -._ , -.- ,. ._ . -.-. . -. - uso of the foLmhg formula8 . .- 100 (vi - 2, 7J . 2. $ voltage regulatia. I_ - . _ - . _ - -. - output voltage at zero output current. . . - -.- - - .pi - i.- where : . ,. i . , .: :I: :I - I. v2 I utput vitag
26、e at 125 miiiimpres output currant. , . . -.-. . .i ._ -_-. 4 .4 .i, Riple Voltage A rippb mlta:-:=:=: . . twine will not be acceptable. Pilot packs shall be submitted rn the procurk 5.3 PackinR.- . 5.3.1 -Exterior shipping containers, for items covered by preceding para- -graphs 5.2.1, 5.2.2,. and
27、metal containers conforming to Specification MILC-6055, identical quantities. limited as follows: insofar as possible and practica4 shall be uniformiri size ard shall contain 500 pounds for domestic shipment. . The gross weight of each shipping container shall be approximately 200 pounds for export
28、shipment; approxlmate . - .I . - . _ . . - , OP0 0071124 - _ i: : . . ,_._._ -r . L Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-. . . . . . . . ._- . .- . . - I . . _- 1 . . _.-_ - . _ . _- - .- -_ .- - _-. . 1 . . - .-. . . . . i , -.-_ MIL-D-92
29、83 bL m 9777906 0085550 3 m -.-_ - 5.3.2 mort-type exterior containers shall conform to SpecificatJm JAN-P-lO5 or JAN-P-106, When plywood is used it shall conform to Specific cation NN-P-515, Type II or equal, and external surfaces shall be treated as specified for Class 2. Containers shall be provi
30、ded with sealed waiter- proof case liners under the following circumstances: when container contents consist of interior containers, identification marking or labeling or cush- ioning material, any or al of which are subject to damage or deterioration from the effects of water. 5.3.3 Domestic-type e
31、xterior containers shall confarm to Specification NN-B-91, NN-B-601, 14“-B-621, NN-B-631, U-B-631, and LU-B-636. When fiber- board exterior containers are used, such containers shall be famicated from fiberboard having a Mullen Test of 275 pounds or more. fiberboard container and contents shall not
32、exceed 70 po for a Type 2 load, to Type 1 or Type 2 loads by adequate interior packaging. of load types, refer to Specificat ion JAN-P-100, paragragh headed, Selection 5.3.4 Reusable metal containers conforming to Specification MIL-C-605h The gross weight of a For description Type 3 load dhai.1 not
33、be packed in fiberboard boxes unless converted of Shipping Container. / will not require over packing for shlpment. . . . . . . “?-=. . - 5.4 Marking of Shipment,- Interior packages and exterior shipping containers shall be mrked in accordance with Sadard MZSTD-129. 60 NOTES 6.1 Use.- Dynamotor DY-7
34、7/AIC-10 is a high voltage pmr supply in- tended forTe in military aircraft as a part of AN/AIC-10 interphone systems - which require 40 to 125 milliamperes at i70 volts dc. 6.2 Manufacturers Drawings ,- Manufacturers drawings of Dynemotor DY=77/AIC-10, producsd on the first prdduction contract for
35、this item, ark available for informational purposes at the procuring agencp. orders .should state the conditions for the following8 6,Z.l Ordering Data,- Invitation for bids, contracts and purchase . 6,2,l. Preproduction T,ests.- It is expected that the contract or purchase ordey will specify that a
36、 minimum of six each Dynamotor DY-n/AIblO niil be required as preproduction samples to be subjected-tc4haPrepr.oduction- Tests by the contractor to determine compliance dth the requirements of this specification and that two each Dynamotor llY-77/hIC-lO wl.1 be required aa prqroduction smpbso *UQ be submkbted to the procuring agncy. - -: - * Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
