1、z MIL-C-LBO2LB (1) 66 9799906 0129603 O = /F-lI-25 MIL-C - 18 021 B(SH1PS) AMENDMENT- 1 31 August 1962 MILITARY SPECIFICATION Input Output data Type synchro Rangeknots per 360-degree rot at ion Model YC1 YC2 YC3 YC4 YC5 YC6 YC7 Y C8 YC9 YC10 YC11 YC12 - l/ YC13 CONVERTER, SPEED, UNDERWATER LOG 0-40
2、knots, 400 cycle, 18 CT 4 0-40 knots, 60 cycle, 18CT6 per 360 degrees rotation 60 cycle 400 cycle 31TX6 31TX6 31TX6 23CX4 23CX4 23CX4 23TX4 23CX4 23CX4 0-10 0-25 0-100 0-10 0-100 0-40 0-40 0-10 0-100 I X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X 1/
3、(25 k/rev. on - 18CT6 input) This amendment forms a part of Military Specification MIL-C- 18012B- (SHIPS), 2 May 1962. Page 1, paragraph 1.1: Delete and substitute: “1.1 Scope. -This specification covers speed converters for use in Naval ships having equipment installed which requires a speed input
4、different from that transmitted by the underwater log system. an input from the underwater log system and converts it to the type of signal required for the equipment receiving the signal. The speed converter receives Page 1, table I: Delete and substitute: “Table I-Classification odonverters. _-_-
5、- - - Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- MIL-C-LOZLB (1) 66 m 7777706 0327604 2 MIL-C-l8021B(SHIPS) AMENDMENT- 1 Page 2: Add as paragraph 2.2: 112.2 Other publications. -The following documents, form a part of this specification to the
6、extent specified herein. issue in effect on date of invitation for bids shall apply. Unless otherwise indicated, .the .OFFIC ML CLASSIFICATION COMMIT TEE Uniform Freight Classification Rules (Application for copies should be addressed to Official Classification Com- mittee, 1 Park Avenue at 33rd Str
7、eet, New York 16, N. Y. )“ Page 3, paragraph 3.3, listing, line 20: After “Technical manuals1 insert rI(see-3. 4.141, 11 Page 3, paragraph 3.4.6, line 3: Delete “Grade A“ and substitute “grade CI. Page 4, paragraph 3.4.14: Delete and substitute: “3.4.14 Manuals shall conform to type I of MIL-M-15071
8、t1. Page 4, paragraph 4.4, listing, Under IGroup B tests“ delete tlSupplinetl I I - F and substitute ltSupplyll. Page 4, paragraph 4.5.2, first sentence: Delete and substitute “The oper- ating test shall consist of electrically connecting the input of the speed con- verter to a suitable synchro as a dummy director, the output to suitable synchros as dummy loads, and energizing ail circuits with rated power. II Preparing activity: Navy - Ships (Pro j ec t 66 05 - NO5 6Sh) 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
