PHOTOGRAPHIC INTERPRETA pi 25X1C VITAL 80ng FIRE-CONTROL RA MOUNTED ON zsu-23 4 SELF-PROPELLED ANTIAIRCRAFT GUN 7 NOVEMBER 965 AND I MAY I966 MOSKVA PARADES MARCH 1967 GROUP 1 EXCLUDED FROM AUTOMAT1C DOWNGHADING AND DECLASSIFICATION Approvegg cReleagEm04l17 005900010019-4 Approved For Release 2000 04 17 WARNHNU This document contains information affecting the national dolensa of tho United States within the manning 0 Title 18 Sections 793 and 'T'Jrl of the U S Code as amended I15 transmission or revelation of its contents Lu or receipt by an unauthorized person is prohibited by law Approved For Release 2000104 RECORD A COPY COPY NO PUB DATE LOCATION DATE RECEIVED A09590001 LOCATION 15 MASTER KRDP78 COPIES DESTROYED 5 2000 04 CUT TO I COPIES 12 5 CUT TO COPIES CUT TO COPIES DATE CUT TO COPIES CUT TO COPIES 7-69 - 1 -73 Unit I DATE DATE DATE MASTER DATE 0 NUMBER OF COPIES NUMBER OF COPIES ISSUED RECEIVED OR ISSUED 367 6 0 nec' 514 Iss'o BAL 54 HO YR nzc'o lssBO4560A0059 0 March 1967 0 9-4 00 TITLE NUHOEI OF COPIES NUMBER OF COPIES RECEIVED OR ISSUED IECEIVEO DR ISSUED Itc'a Iss'o 01 19 pproved For Rele 00 1 an En 1 67 Approved For 005900010019-4 PREFACE This report has been prepared in response to DIA requirement DIA-ll-oo and provides mensuration details on the fire-control radar mounted on a which was observe-din bOth the 7 November 1965 and 1 May 1966 Vloskva l arades 25X1 Approved For Rams 25X1D 25X1 Approved For 1C a - A00590001oo1d-4 FIRE-CONTROL RADAR MOUNTED 0N SELF-PROPELLED ANTIAIRCRAFT GUN 7 NOVEMBER 1965 AND 1 MAY 1986 PARADES DESCRIPTION A fire-control radar mounted on a vehicle was observed on photography taken during the 7 November 1965 and thel May 1966 Moslcva Parades In addition to the side and rear elevations of the radar set shown in Figures 1 through 6 the elevation axis stop limits have been determined and are presented below The radar refleCtor and the elevation drive mechanism are mounted on 4 hydraulic shock absorbers cylinders which are fixed to a base plate The manner in which the hydraulic shocks cylinders converge to their mounting on this base plate seems to indicate that the radar set has an azimuthal rotation capability Based on the radar s position shown in Figure 6 this is in fact true and the base plate is actually the housing for a roller track bearing and azimuth drive motor-type assembly The entire radar assembly can be folded down when not in use The coaxial cable is looped behind the reflector with sufficient slack to permit the antenna to move in the verticalplane elevation The vertical plane movement is limited by the fixed stop plate which is fixed tit-degrees above the horizontal axis of the vehicle and by 2 offset radial cuts on the elevation axis shaft housing Figure l as making a 30 degree angle at the front and a 30 degree angle at the rear of the fixed stop plate 'l hese radial cuts or rotat- ing stop plates allow a 60 degree vertical move ment However the forward rotating stop plate is elevated 16 degrees above the boresight thus allowing the boresight to be lowered toaposition approximately degrees below the horizontal This results in an approximate maximum bore sight elevation limit of degrees above the horizontal a vji u l 7346 l THREE-QUARTER TOP VIEW OF THE FIRE-CONTROL RADAR MOUNTED 0N SELF-PROPELLED CRAFT GUN 7 MAY 1966 -1- Approved For Rams 25X1 25x1 25X1 Approved For LIFT HARDWARE FIBERGLASS-TYPE COVER COAXIAL i I ANTENNA 5UPPORT FRAME OFFSET RADIAL CUTS DRIVE MECHANISM 0PTI BORESIGHT ALIBRATOR ELEVATION STOP PLATE - REAR HYDRAULIC SHOCK COAXIAL CABLE FORWARD ULIC SHOCK A350 i ER BASE PLATE TI AXIS I N lc -2-01 FIGURE 2 RIGHT SIDE OF THE FIRE-CONTROL RADAR -2- Approved For me NPIC R-33 67 Approved For 5X10 - 25X1D 25x10 25x10 25X1D SCALE 1 12 25x1 ALL IMENSIONS IN FEET NPIC '2 Ufl FIGURE 3 DIMENSIONAL DRAWING OF THE RIGHT SIDE OF THE FIRE-CONTROL RADAR -3- Approved For R i t e Approved For R age 563%6-11 25X1D 25X1 25X1D ROBABLE LEVATION IVE TRAIN HOUSING SCALE 1 12 ALL DIMENSIONS IN FEET FIGURE 4 DIMENSIONAL DRAWING OF THE BACK OF THE FIRE-CONTROL 2AOAR -4- Approved For Appfoved For Release 2000104117 25x1 - Fam nn amass ST 0 AT I AFT ROTATING STOP PLATE PLANE 25x1 FIXED PLATE 5 ii 25x10 I 0 0 -5 0 3 2 6 '2 7 I FIGURE 5 RIGHT SIDE OF THE FIRE- CONTROL RADAR MOUNTED ON ZSU- 23 4 PROPELLED ANTFAIRCRAFT GUN NOVEMBER I966 25x1 25X1D Approved For Release 2000I04I17 Approved For Release 25X1C 25X1C HEDJS 133333 RADKR SET 5va POSITION Approved For Release 2000104117 25X1D 25x1 25X1C Approved For Re RIC l llU'l UGltAPl 25x1 1 DUI Sonic Jun 31 Mar 66 Foruign 250-533 1 91 th- 1-66 HT-2 Witt PROJECT -7- Approved For 25X1 pproved For Release 2000I04I17 Approved For Release 2000104I17 This document is from the holdings of The National Security Archive Suite 701 Gelman Library The George Washington University 2130 H Street NW Washington D C 20037 Phone 202 994-7000 Fax 202 994-7005 nsarchiv@gwu edu