1、phase . . - . - . . . _. the 3-phase winding is excited by 5.9V (line-to-lhe max), the output voltage per degree of error signal shall be at least 0.101 on open chcuit. resistance load across the output required to reduce open circuit output . . voltage to one hau its value shall be 8000 ohms, or le
2、ss, at 25%. shall be such 3.8 I 5 degrees relatSNe to input voltage El whsn tho. synchro .rotor is turned 5 degrees away from null position. .b 3,2,3.1 Phse shift.- The value of capacitance “C“ shown on Figure 2 that the output voltage E2 shall have a phase angle of . , .- -. . I. c . -_ * . - . 3.2
3、.3,2 The synchro shall be connected to fhe altimeter mechanism 80 thousand feet, synchro rotor at altitudes below -1, feet or above 80,000 feet. 3.2.4 The body shal be made of non-ferrous law density metal, unifonn in texture with a smooth surface, and entirely covered with a durable dull black fini
4、sh. shall be of sufficient strength to prevent damage to the case when the connections are tightened during installation of the transmitter. 3.2,4,2 Case marking.- The back of -the case, adjacent to the pressure connection, shall be marked as follows: “S STATIC COflNECTIOW. The . followl-ng marking
5、shall also be included WAUTION - DO NOT BLUI IN TUBE;”. . that the angular rotation of the synchro rotor shall be 18 degrees per hitab16 stops aW be provided to prevent movemont of the Case.- The transmitter case shall consist of a body and a cap, -_._-_- -.-t-l-.-. . _I._-.* -. ” . , . I .- . , 3.2
6、.4.1 Reinforsement.- The . n . . . . . . L. . !,:. . 1,:,.: 1. . . . . :.-.:.:z.-.-:.*: . *. . . 1:;:; “ . “ . -. . . . - . . _._- - . - . -_ _._I._-I. . .-.- . . - . ,.-.-. . “.I. -_ . . . . - -. . “ . . I , .- . .-. -_ -. . -. . . . . /- Y Provided by IHSNot for ResaleNo reproduction or networking
7、 permitted without license from IHS-,-,-MIL-T-7330 bb 79TTO6 0327063 2 I: . ii I:. :. . . . . . . c:.: . i . 3.3 Yerfomance.- Unless otherwise specified, the transmitter shall be capable of operating satisfactorily under the following conditions. r.;.; . t:I: 3.301 Temperature.- Temperatures ranging
8、 from -5b to +71Co I c. I * . . t: ;:;:;: . . . . 3.6 Threadst . 3.6.1 %reu.= nesa otherwise specifid, the threads of a machins BCFBW, 0.6O Inch or larger in dimeter, shall conform to Specification MCL-S7742. 3.6.2 Spe.- ipe threads ;:;:;. ,. ) . . . . ?* Provided by IHSNot for ResaleNo reproduction
9、 or networking permitted without license from IHS-,-,-k - 4 MIL-T-7130 66 W 777770b 0327064 . .-. . ,. ,. _. . ._ . . . I_ . -. . , -.-. ,.-.- I_._ -.-., , I _I. _. . . , . .- _.- . . ,. -_. -.- . . t:.:.:“-:r.:r.:.: i . . . e:- -. . c . C I , ). ,. . . . .-_-.- . . - . . E I. :.:ftIlt:l:lf i. L . .
10、 .-. -.- . . .r:1;III: . , . , . . “ . . . ._ . . . , . .- . L . . . . . , . I . . , ,.- .-_-. -. . .:;: -.- . -. . . -.-. . . . . I: i:, . . . . . . . I_ . l. . .- -.-.-.-.-.-.-. ._._.I *.- - _-. -._ ._ _ . -.-.- - . 4.4.1.2 Electrical zero and phase shift.- The transmitter shdl be tested for elect
11、rical zero and phase angle as followst Leads from pin8 between pins “BU and nD11. A voltage of 9V and 400 cps shall be applied between ,pins IfCf1 and Ili)“. A phase meter shall be comected to measure the phase angle between the voltage from “DI to cW and the voltage from , flAff to irBff, Pressure
12、altitude shall be adjusted to 500 feet. The voltage fram “Al1 to itB1f shall have a phase angle of 18 ?: 5 degrees Kith respect to the voltage from Wn to nCn. and the voltage from “Bn to ffDft shall decrease. J.f the vcltage decreases, the voltmeter shall be disconnected from “Dl1 and connected to “
13、II“, The alti- tude shall be decreased until the voltage is at a minimux, that is elect;-ical zero, The pressure altitude at minimum voltaae shall be tWw 250 feet, * -, . , . ,.- . . nC“, “E“, arid “An shall be tied together. A voltmeter shall be connected - - . The altitude shall then be decreased
14、to 1W feet /-? .e . . “ . . L. , ,. . ,. :. . . . . . . , . ,. ,*i . i. ,* : . : t. - .- si Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-T-7L30 66 = 7777706 0127065 T W. 1 .- -.I I_ ._ c. , F:.b: .-. L- * - , . L. +. . . _ I t F k .3 I_ hi - _
15、. . .- )*crama . ,. . . . . _-_ . . . . . _ . .-. b_ -. II_. -. T-. _.I. a- -_ 1.- .- -_. _-. - . . I “-. .J.- .- “ . ., . ,. . I . I_ . I . , . . ,_ . . “f :-.- c: .- I 1 , . .- -. . . .- . , .) . -. - _- .E : . L. 1 I., . ,. . I . .k : :;: - I._ . E: - I -. c I ! 4 I , * . . . :;:.:I : ;:;: , “:;:
16、“: . . . . . . I r-y I . , . L. L. . . . -. . . i . hour vibration period srhall not axrreed the tolerances 6paCifiW 9n Table I. No looaensse in the mechanism or damage shall result in any part of the instrument. There shall be no breakdm of the The test shall be conductrd We 4*4.3 Special %Osts.- T
17、hree samples selected at random from %he fwot . 2s transmitters shall be subjacted to the fUouFng tests: 4ebe3cl Acceleration.- The trzrnd-,tr ahall be mounted end accelqmtrd first in Ita vertical axb and them in We 2 -6s that me perpendicular to the vertical. axis and to each other. “e tramnitter s
18、hall be subjected ta an acceleration of 20 g in each of tht Above for a period of 30 meconda. At the end sf this seceleration, the bmadtter shall meet the rsquiraaenb apeeifia . C . . “ . ._.I. . . ,._. . .- -. . -.-.-.- . . -.- “- . . L : . . -_-. I . - . “ . - . . . . . . . . . . _. . . . . . . .
19、. . . . -.“l :.: . . ._ L . * . . . . ,. t:l=T.:. L . , . . ) ,. . t.:.: . I_ *.-1-.- . ,. . . I -. . , c - . -.-. -.-. L-z;.;L.:.T:-y;: , _ -.-. -. , . ,. -. . .- . . -. . . . - . - ._ . ,. . .- - - - . . ,-. .-.-.-.-.- .- .-.- . ,_-. -. , - ,._-_.- -. . , - -.- . .-. _.- , . . , . ,. . L + , . i.,
20、 L . . . . -.I_.- -.-_-.- . b .-.-.- -. - _._ll_ . ._-.-. - - , -.-.-. *-_ _._ . ._._. - I . ,._ ._. “.Y . ,. e- I . - I *. b . ,. *. ._.- -_-., .- I. b I , :. . 1 I ,: . . . . - . . b . , , . . . , . . . Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,
21、-,-MIL-T-9130 bb W 7799706 0127Ob9 7 d . Y.“. , * b . . . . . -. . . 6. . . ,. . I . r ,. . !i . . -. -. - _.- . . . . -.I. . . , . . -_C- - ,- .- . _.-.-._ .- . - . . , L. . . . - /%- I. I I .I I l I .I . ? . . .I I . 1 . _. . _I_-. _-* _I .- _-._-.-. . .- -.-_. * .-_.- “_ . . -. . _, . . . I L, I
22、-I.-.- . . . I.-. . . - -. I . -.- -. . . . . . - _I. -. r- 1 I. i I I I 1 I I 1 I 1 1 I L, . - -_-.-I . . . . . .- .- .- . . . . . -. ._-.- -. *.- .- . ,. . . . . - . . 1 I 1 1 I I I I I 1 1 . . . . 8 & ., . _- . .I -I . . .- . .- -._ . b -. . -. - .- _+._I-. . ,- . . . . . . .-. . . .-. . . . . . _-.-._I_ _- _- ._. -._._._ - r . .-.-. . I._*. . -. -. -.-. ,.-.-.- . -. . . .- . . . . & .-., . “ . ).* . - -. . . . . . %,* -I - I. . - . .- .: L - 1 ,.e . . ,c. . :.:. . ,. ,.: . . Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
