BIG EXCAVATORS GO TO SOVIET CONSTRUCTION SITES; MULTIPLE-BUCKET MACHINES DIG CABLE, IRRIGATION DITCHES

• Document Type: CREST
• Collection: General CIA Records
• Document Number (FOIA) /ESDN (CREST): CIA-RDP80-00809A000600400593-9
• Release Decision: RIPPUB
• Original Classification: S
• Document Page Count: 4
• Document Creation Date: December 22, 2016
• Document Release Date: August 25, 2011
• Sequence Number: 593
• Publication Date: August 6, 1951
• Content Type: REPORT

Sanitized Copy Approved for Release 2011/08/25 :CIA-RDP80-00809A000600400593-9
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CLASSIFICATION S-E-C-R-E-T
SECR~t'
CENTRAL INTELLIGENCE AGENCY REPORT
INFORMATION FROM
FOREIGN DOCUMENTS OR RADIO BROADCASTS CD PrO.
SUBJECT
HOW
PUBLISHED
WHERE
PUBLISHED USSR
DATE
PUBLISHED 13 Jan - 25 Mar 1951
LANGUAGE
THIS OOCUYtNT CONTAINS IN fORYATION A]P[CTING TNl NATIONAL D[it NSt
OF TN[ UNIT[D lTAT[S YITNIN TN[ Y[ANING Oi [l PIONAGL A07 t0
Y. !. G.. ]I ANO ]i, A] AYl ND[D. Iii TPANl MISSION OR TNt RIYtLAT10N
NIPIT[DOtTTL ~3 I RIPRODU CTIION OS TNIS PORY OISI PRONI [pT[D. I! PRO?
Daily newspapers; monthly, weekly
periodicals
DATE OF
INFORMATIOP: 1951
DATE DIST. ~p Aug 1951
NO. OF PAGES 4
SUPPLEMENT TO
REPORT N0.
THIS IS UNEVALUATED INFORMATION
Newspapers and periodicals as indicated.
The nex walking dragline, the ES'h 14/05 built 50X1-HUM
at the Sverdlovsk Uralmash Plant is perf^rming ?Zighly praduc ive wor on the
Volga-Don canal protect. The machine :nas a 65-?metern]]~g,t 1>toom and a 14-cubic-
meter bucket which weighs 18 tons> Its op?rating crew consists of 16 men, with
five working each shift. Five crew members have ha3 a hi~he.? education; the
rest have studied at seconds.ry techni.~a~. sc:nooia :.
The machine's productivity is rated at 2`,CI buckets of earth per shift. It
is estimated that the dragline is sayable ?af rsplacing tae labor of 7,000 workers.
DRAGLINE HAS 16-MAN CREW -- Kiev, Pravda Uec~ainy, 13 Jan 51
Moscow, Ogonek, 11 Mar 51
The designating mark of the ESh 1465 is brok4n down ss follows:
Moscow, Literaturnaya Gazeta, 20 Mar 51
'The ESh-1465 walking dragline ie powered by 48 electric motors.
BUILD THIRD MCDEL OF WALKING EXCAVATOR -- Vil'nyus, Sovetskaya Litva, 25 Mar 51
The 5verd'lovsk.Ura].maeh P3~nt has begun to build a new heavy Talking exca-
vator, the third model of this type of machine to be produced. Its capacity
will be lees than that of I:' @is, #~ ilue~Cef~ having s volume of 10 cubic
W -
BIG EICCAVATORS GO TO SOVIET CONo24tUC'PION S"1'"TES;
MULTIPLE-BUCKET MACHINES DIG CABLE, i,L2RICATION DITCHES
E Excavator
Sh Walking {Shagayushchiy)
14 Volume of bucket (cu m)
65 Length of boom (m)
STATE
ARMY
CLASSIFICATION s:I~-C?-B-E-T
- NSRB
Q
SECRET
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AIR
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meters. The boom will be 10 meters longer, however, so that the machine will
be able to move out earth to a radius of 75 meters. Other heavy-machine-build-
ing enterprises are contributing to the construction of the new machine.
The excavator', scheduled for completion by the second quarter 1951, wi]1
be sent to one of the big construction pro,~ects. It should have a daily pro-
ductivity equivalent to that of 6,000 workers.
MOUNT DIGGING UNIT ON TRACTOR -- Moscow, Mekhanizatsiya Stroitel'stva, Feb 51
This year, the Dmitrov Excavator Plant of the Ministry of Construction and
Road-Machine Building put out an experimental model of the new ET-121 ditching
machine. Designed for use in laying power and communications cables, the machine
consists essentially of a multiple-bucket, chain-drive digging unit, mounted on
the rear half of an STZ-NATI tractor.
Because it is mounted on a standard tractor, and has only a small number of
extra parts, the coat of the machine is considerably lower than that of other,
types, and 60 percent less labor is requis~ed for its assembly and the manufacture
of parts. Spare parts do not constitute a problem, since the machine can use
moat of the spare parts for the STZ-NATI tracer. Finally, it is simpler to
operate.
The machine was put through taste by an interdepartmental committee, running
it in clayey soil of average moisture content. Maximum productivity was 93.6
cubic meters per hour, minimum productivity (working in soil of high moisture
'content) was 60 cubic meters per hour. It was found that the machine was running
at only 35 horsepower during the testa, although it has a rating of 52 horsepower.
Possibilities of increasing the machine's productivity ir. the future are under
consideration.
On the basis of testa, the committee recommended tre machine for series
production, and the plant has accordingly put cut its first series of the ET-121.
Specifications are as follows:
weight (kg)
7,570
800
4
Overall length, bucket frame raised (mm)
,
0
Height in operation (mm)
2'15
4
Maximum height, in traverse (mm)
00
3,
Width, in operation (mm)
2,400
Width, in traverse (mm)
Rated productivity, working continuous7.y (cu mfhr)
90
Dimensions of trenches dug (mm):
1,200
Maximum depth
500
Width
Motor:
1,250
vo .Lions per minute
52
Horsepower
Length of bucket frame (mm)
2,550
19
Number of buckets
)
(
~
0.75
eec
m
Speed of bucket chain
12
Volume of buckets (liters)
2 0
Speed of discharge conveyer belt (m~sec)
Working speed (m~hr):
~
74-155
Forward (4 speeds)
60
Backward
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S-E-C-R-E-T
Traversing speed (km ):
Forward (4 speeds
Backward
3.82-8.04
3.12
CANAL DIGGER DOES WELL ON TESTS -- Moscow, Mekhanizatsiya Stroitel'stva, Mar 51
The Kiev Excavator Plant has built an expo-imental model of the new EM-161
multiple-bucket transverse excavator. Designed for digging irrigation ditches,
it was built according to a plan submitted by the Leningrad Affiliate of the
All-Union Scientific-Research Institute for Construction- and Road-Machine
Building and desio ers of the plant.
The machine is mounted on crawlers of adjustable span, the body riding di-
rectlyc on a main crawler, while the second crawler is attached outrigger-fashion
to the end of 'a telescoping tube which houses a transmission shaft. The crawlers
can thus move along opposite sides of the irrigation ditch, adjusted to its
width. The bucket arm, lowered between the crawler3 into the ditch, is adjust-
able in digging angle and length.
The machine can dig ditches 3.5 meters wide at the top and 1.5 meters wide
at the bottom.
At the end of 1950, tests were run~on the EM-161 xitr representatives of
the Ministry of Agriculture attending. Working on existing canals, the machine
achieved an average productivity of 34 cubic meters per hour, while its average
productivity in digging new canals was 29-cubic meters per hour. The over-all
performance of the machine was ad,judge3 entirely satisfactory.
Spec ificationa are as follows:
Weight (kg) 8,000
Length of bucket arm, fitted. with 16?-liter buckets (mm): 3,620
Maximum
Minimum 3,270
Length of bucket arm, fitted with 8-liter buckets (mm):
Maximum 3,3~
Minimum 3,100
Width of crawlers (arm): 880
Main crawler
.Secondary crawler 440
Tread (mm):
Transmission tube extended to maximum 4,900
Transmission tube at minimum 1750
Over-all dimensions of machine (mm):
Length 6,470
Maximum width 6,325
Minimum width 3,175
Height 5,200
Rated productivity (cu m~hr) 34
Speed of bucket chain (m~aec) 0.6
Working speeds (km~hr):
First speed 0.172
Second speed 0.34
Transport speed (km~hr) 1.5
Motor:
Type ~ U-2
Rated horsepower 22
Rated .revolutions per minute 1,200
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ftEW EXCAVATOR HAS IIQCREASED PRODUCTIVI'T'Y -- Leningradskaya Pravda, 7 Feb 51
In 1950, the Leningrad Excavator Flant, assisted by the Scientific-Research
Institute for Construction- and Road-Machine Building built an experimental model
of a"neW excavator. The new machine hae a 25-percent highez productivity than
existing models. aeries production of the machine will begin this year.
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