MANUAL ON SM-1 HELICOPTER TECHNICAL DESCRIPTION OF THE ERNO EQUIPMENT

• Document Type: CREST
• Collection: General CIA Records
• Document Number (FOIA) /ESDN (CREST): CIA-RDP80-00247A000500490001-1
• Release Decision: RIPPUB
• Original Classification: S
• Document Page Count: 136
• Document Creation Date: December 23, 2016
• Document Release Date: November 18, 2013
• Sequence Number: 1
• Publication Date: September 3, 1964
• Content Type: REPORT

Declassified in Part - Sanitized Copy Approved for Release 2013/11/18: CIA-RDP80-00247A000500490001-1
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INFORMATION REPORT INFORMATION REPORT
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This material contains informati ,aff_eciing the National Defense of the United States within the meaning of tEspionage Laws, Title
,?
18, U.S.C. Secs. 793 and 794, tilt ansmiission or revelation of which in any manner to an unauthorized persongmhibited bylaw.
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CENTRAL INTELLIGENCE AGENCY
50X1
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SE-C-R-E-T
NO FOREIGN DISSEM
COUNTRY Poland,
SUBJECT
Manual on SM-1 Helicopter a
Technical Deoription of the
ERNO Equipment
REPORT
DATE DISTR.
NO. PAGES 1
REFERENCES
$ SEP 1964
DATE OF
INFO.
PLACE &
DATE ACQ.
THIS IS UNEVALUATED INFORMATION. SOURCE GRADIN
50X1-HUM
F CONTENT IS TENTATIVE.
-5
4
3
2
1
manual on the 50X1-HUM
Polish SM-1 helicopter. The manual gives a technical
description of the ERNO equipment, i.e., electric-radio-
navigational equipment and instruments.
50X1-HUM
Distribution of Attachments
ARMY/FSTC
:
(1)
AIR
ARMY
:
(1)s
OSI/MIL
NAVY
:
(1)
ORR/MIL
NAVY/STIC
:
(1)
AIR/SAC
DIA
:
(2)
AIR/FTD
NSA
:
(2)
:
:
:
(1)
(1)
(1)
(Advance copy)
(Advance copy)
S-E-C-R-E-T
NO FOREIGN DISSEM
50X1-HUM
GROUP 1
Excluded horn automatic
downgrading end
declassification
STATE
I DIA
I ARMY INAVY
I AIR
I NSA
iTAIRX OCR
(Note: Field distribution indicated by "#".)
5'
4
3
2
INFORMATION REPORT INFORMATION REPORT
50X1
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Declassified in Part - Sanitized Copy Approved for Release 2013/11/18: CIA-RDP80-00247A000500490001-1 50x1
NO FOREIGN DISSEM
SM-1 HELICOPTER
Technical Description of the ERNO Equipment
(electric-radio-navigational equipment and instruments)
SECRET
NO FOREIGN D1S5EM
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Declassified in Part - Sanitized Copy Approved for Release 2013/11/18: CIA-RDP80-00247A000500490001-1
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SM-1 .HELICO 2TER
= = = = 2 =
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Technioal Description of the ERNO Equipment
/e1ectr1c7radio?wavigationa1 equipment and instruments/
?
First edition
. ? 1959 -
SECRET
NO FOREIGN DISSEM7:2?'
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Declassified in Part - Sanitized Copy Approved for Release 2013/11/187CIA-RDP80-00247A000500490001-1
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? .TABLZ of CONTESTS P a g e
CHAPTER I. - General 5
CHAPTERII. - Electrical equipment of the helicopter 6
A. - General 6
- Elecrical board natwork of the helicopter 6 .
. B1 - General informations . 6.
B2 Cable fastening 7
B3 - Electric uetworh oonneotors ? 7.
. B4 - Electric network units marking and
specification 13
B5 - Specification of cables 16
vB6 - Switchboards 18
),B7 - Autonatio circuit breakers type AZS 20.
B8 - 4onding 24
B9 - Electric power oonsumers 28
C. - Cirouit No. 1 33
? -.Generator type GS K - 1500 Z 33
-C2 - RK-1500 W voltage regulator" 36
C3 - SF-14. filter 37+
-"C4 12A10 storage battery 37. .
? - RT-40 double pole relay 39
C6 - WA-240. voltammeter 43
C7 - Units of engine ignition system 43
- :Ki-4716 starter coil, PM-1 ignition switoh,43
C9 - MWL-9 magneto /port and starboard / 44
? C10- Sparking plugs 49
D. - Circuit No. 2 52
Di - Pitot tube heater 52
? D2 -A11M watch heater and portable lamp Looket
E. - Circuit No. 3 ' 54
, Li - Cockpit lights 54
E2 - Radio compartment lighting 54
E3 EZR-3 eletro-nagnetio valve 54
E4 - Position lights 54
35 KI-11 magnetic compass light,
P-39 cockpit ceiling lamp 55
E6 UFO lights 55
- Circuit No. 4 .
F1 - Landing light
SECRET-
60
60
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Declassified in Part - Sanitized Copy Approved for Release 2013/11/18: CIA-R5P-86---002-47A000500490001-1
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F2 - Taxying light
G. - Circuit No. 5
61 - UZP-47 colleotive pitch indicator,
BLS-1177 fuel contents gauge
G2 - UZP-47 longitudinal trimming indicator,
three-pointer engine operation indioator
type BMI7.3K, three-pointer indicator type
E2I-3WM.for both: engine gearbox and main
gearbox. 65
H. - Cireuit No.. 6 67
Hi - Fire extinguishing system- 67
H2 - AGK-4.78 artificial horizon 67
I. - Cirouit No. 7' ? 74
I/ R-800 radio transm.-receiver supply 74
12 - HW-2 radio altimeter supply 74-
Circuit No. 8 75
K1 Anti-ioing system 75
K2 - AS-2 windscreen wiper 77
CHAPTBR III c Instruments 80
L. - General informations 80
m. - Leading particulars 81
N. - Engine instruments - 84
111 - Three pointer indicator. EUI-3Z for
engine operation check 84
N2 - 2TE4-2 elctrioal r.p.m. indicator 84
N3 - TCT-9 thermometer 86
!.14 BES-1177 fuel contents gauge .86
N5. - Three pointer indicator type EMI-3WM for
both: the engine gearbox and the main 87
gearbox.
116 - Collective pitch and longitudinal trimming
indicators type UZP-47 87
. - Flight and navigational instruments 89
? 01 .7. AGK-478 artificial horizon 89
02 7 Pttot tube /pressure head 954 type / 9D
7-WD-I0 altimeter .91
04 - WR-10 rate of climb indicator 91
05 -7 U3-250 airspeed indocator 94
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65
1 SECRET
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DISSEM
m1A-17z.ar - R;Aio Lquipuent 50X1
S. - Gener.A. laformatioa 97
T. --CommaniozAion HIT set - R-600. 97
Senetal d:ata 97
2-raashlitter 98
T3.- Oscillator and freousnoy doubler 101
?
T4.- First fequenoy tri?ler 102
T5.- Second frequenoy tri2ler .102
26.- Power amgitior 104
T7.- Hi zh frequenoynsoillation oontrol.
of the transmitter. 105
TS.- Receiver oot-soo ap.A7 set 106_
T9.- R/T.set automatization
T10.- R/T set supply- ? 10.9
.T10a- MA-250A inverter 109 -
T11.-:The aerial ,o11-1/T set - R-800 110-
,T12.- R/T'sot tuning 110
H213.- 11:x.vloltation. of R/T set 114
t. ARZ-5 radinoompess ? 114 .
U1.- Application of ARX-5 radio compass .115
U2.- Reception with oien aerial 115.
U3.- Action of automatic) radio compass 117 '
' U4.- Manual control of frame aerial revo-
lutions .117
U5.- Automatic control of frame aerial
revolutions .119
116.- -Dadio.compass supply . 119.
U7.- Inside fuselarie frame aerial ? 121
CO.- Radio deviation oompensator ug
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SECRET
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?Declassified in Part - Sanitized Copy Approved for Release 2013/11/18: CIA-RDP80-00247A000500490001-1
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NO FOREIGN DISStft_
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1. The technical-decription of the EANO.equipmnt-/electnil
ecuirnent in.:.trtament7/ hen been .
-11.;sell on 114-1 helicopter?drrin6s, in.tructicnf:, Te-cht1-
c11 -.;equi7e:nents, ,1b6rE,-..s, Fs -,e11-es on-mit bnd instrt
-:rnts telhni1 def-crIntions..::ritien in the rectories.
/. It 1.tiecesE:ery to irn.0-.exect1.y te EiM) equiT.r.ent, its
units cnd in5.-truments in or,4er to ensure the r,:icevt,111
t d cc.rrect ser...ice of the LRNO
A. Eleetricil ttfr.cometfrs fv.rked P-1 or 777:-.14,?or oil
perature trimEmitters rre interchngestle. Tc long
to tte three rninter erv! inAir,.etors -ar-
vin8 for elecving .the erzine. operatinn, the mcir ,secrbox
.and the eine ,;earbox..
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?NO FOREIGN DISSEM
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CHAPTER II
KLECTRIC4L EVIPMENT of the HELICOPTER
A. G'311ERAL
The electrical eeuipment of the s-).3 helicopter consists o
- electric power sources -
- electric power consumers /receivers/
Electric power soUrces are: GSK 15002 generator, and a
12A10 storage batte/y.
A ground sueply trolley provided with a storage battery
is used also as a cupplying source.
The 'board electrical network and units are
of 11 bimetallic automatic fuseiT?by-the help of 6 automatic
AZS circuit breakers and af 6 thermal fuses PW-2 type with
protected by Means
B2-20 bases. Twos fuzes are placed on the instrument
? penel. Other automatic and thermal fuees are installed on
the starboard switchboard. The whole board netverk is divi-
ded into 8 circuits.
B. ELECTRICAL BOARD NTEORK of the BELICOPT2R.
Pl. General informations
. The SM-1 helicopter is outfitted with a single-cable
'electric system with a supplying?veltage eclual to 27,5 Volts
D.C. All metal parts /mass/ of the helicopter form a commont
minus for all electrical units.
Network connections are made by means oi'ilintellialWILMININI
- BPWL cable, 0,98 se.mm 6 so. mm cross section area
122r
In order to facilitate the installation of electric:a.: cir-
cuits, all leads have. been assemble ir..A 'eenenes' cables
ended with terminals an/Jr connectors /Fie. 1/. .
In order to protect the bunched cities oeeinst mechani-
cal damage, the bunched cables are put innide the vinyl chlo I
ride tubes. Places reluirine special protection are wrapped
.:nd sewed Kith "dermatin?. /leather imitating material/
Following network qeetione are screened in order to -
protect the radio units aF4inet noises knd disturbances due
to electric equipment eperution;
SECRET
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Declassified in Part - Sanitized Copy Approved for Release 2013/11/18: CIA-RDP80-00247A000500490001-1
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1. W-14 cable .- from the generator to the voltage rebu,....or
and the starboard switchboard.
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2. W-13 cable -. from the voltage regulator to the filter. t-
5. W-18 cable from the starter ignition coil to the magn to.i
4. W-17.cable from the 2.PNP-47 switch to the starter -)
Jr 1
ignition coil.
5. W-19 cable from magnetos to ignition switch.
6. W-8 'cable from the windscreen !riper filter to the
motor..
.71.45-7 cable from the artificial.horizon7inverter to.
the indicator.
. 8. 1-15. cable from the?r.p.m. indicator generator to the
indicator. ,
9. W-20 cable. from the UKZ-5.indicator to D-5 and .P-1 -
transmitters. From iiKZ-1 indicator to '
P-L; P-1513 transmitters.'
? BZ. - sable fastenini..:.
The bunched cables are .fastened to airframe parts by
means of typical /standardised/ 410 .NG /Fig.2/ emiumbo
WWwwwziww4wwwd metal ./Fip
band - - ? / and ,chiorovinyi tape and. eye3.
? 'NG clip consists of a base win two holes for clip
fixing, of an upper, binged cover and of a'sprinvfastener:
The clips.have following advantages':
; ? ,
a/ They shorten. the electri.cai.sistem installation and dis-
mantling time up to a - ..
b/ They enable the fastening of cables in places where-.the:-
.
access is posssible for one hand only.
c/ The fastening of cables is firm and, reliable.
?
133. Electric network connectors.-
- -
;4- ? : 5tanaardized SzR two-pin and 12-toin connectors have been
used in SM-1 helicopter elqctrical quipment in ordIr to fa-
cilitate the installation and '? remOval of electrical equipment
accessories and units.
The connector is designed to enable to take out from
' the Szit the optional contact pin with soldered cable. To
oh-
tain1it is necessary to unscrew tte rear nut, then to take -
; out the fastening spring and the insulating insert.
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Declassified in Part - Sanitized Copy Approved for Release 2013/11/18 : dIA-RDP80-00247A00050o4iannrril_l
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Declassified in Part - Sanitized Copy Approved for Release 2013/11/18 : CIA-RDP`80-00247A0065004-90001-.1
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Declassified in Part - Sanitized Copy Approved for Release 2013/11/18: CIA-RDP80-00247A000500490001-1
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1-UKtIUN LAJJtPA
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The connector cansirts of two parts connected to;;ether
by means of a coupling nut.
The correct connecting of pins with soleets is enabled
by a protruding cam on the connector and by the help of, a
gro7e 1ated in the connector socket-cap.
Pins /plugs/ and sockets are located in an insulating
insert, the insert being placed inside the cap.
Leads of bunched cable are soldered to the pin sleeve or to
:the socket.
Joining the vinyl chloride protecting tubes and screening
braids is shown in Fig- 1!
SzR connectors have following advantages:
- they enable a correct and easy connection of electrical
circuits.
- they facilitate the installation and dismantling of ele-
ctrical equipments of the helicopter.
besides '1.?"3 z-.1mre-ctors, folloving joints are used:
BK and 75 K two - way clips /Fig. 6/.
2. individual connectors type IR-1 /Fig.5/
3. special connectors made according to drawings of instru-
ment equipment.
. Minus fasteners according to instrument equipment-dra-
wings have been used in order to facilitate the connection
of minus leads with the helicopter airframe metal parts.
When' connecting it is necessary to clean the fastener.
base and the place on the .airframe part so as to obtain a '
metallic shine. It ensures a good electric conduction.
The fasteners-are riveted to the helicopter airframe.
They enable an easy, firm and reliable connection of
minus leads with the helicopter airframe metal parts enabling
and quick dismantling of the ele-
at the same time the easy
ctrical system.
.Some minus leads are connected directly under the yoke
screws or to the airframe screws in order to facilitate the
installation.
All contact points of-minus leads and airframe should ?
t.e cleaned so as to obtain a metallic shine: It ensures a
god electric conduction. After installation, all these con-
tact points should be painted with colourless varnish.
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Declassified inin Part - Sanitized Copy Approved for Release 2013/11/18: CIA-.RDP80-00247A0005orwannni_i
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5z12 pin
/I Sleeve.
2. Sleeve with a flange.
3.. Nut
Postening
5. Screw.
6. 5crei4
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connector
7. ..7m.s&rt
8. 31...51.1l.afing in3ert.
9..7n5utat,n5 inbert.
40 gpt-Ins.
41 Pin
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Declassified in Part - Sanitized Copy Approved for Release 2013/11/18: CIA-RDP80-00247A000500490001-1-
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d. 13 o5e
2. 41 ott6ins
3. Nut ?
4. 3n6ert
Nosher.
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Declassified in Part-Sanitized Copy Approved for Release 2013/11/18 : CIA-RDP80-00247A000500490001-1
NO FOREIGN D155EM
50X1
24. 71ectr1c network units rarkin,7, an1
Rectrical eluil:ment units are marke1 with numbns i"
Jrder to facilit%te the use Cf wiring ,!iagrms.
! IFI7ATICN
fuses
1. generator
? mains filter
3. voltage regulator
4. .storage battery
storage battery socket
6. storage battery automatic circuit
breaker fuse
7. voltammeter shunt
9. voltammeter
S. port magneto
. starboard magneto
11. starter ignition coil
12. switch
automatic. fuse - ignition switch
.4. ignition switch
1. ground 'supply socket
:C. Pitot tube
17. Pitot tube switch
18. cockpit ceiling lamp
IS,. cockpit ceiling switch
71-4
2C. portable lamp socket .
1. port cockpit light
2. starboard cockpit light
-5. port position light
.6. starboarl position light
7. tail position lirht
3. two-way fastener
2S-.. signal light button
53. autom.fuse of position light Circuit
breaker
.1. marctic compass light
32. znal,Tristic compass light resister
33. clock helter
Declassified in Part - Sanitized Copy Approved for Release 2013/11/18: CIA-RDP80-00247Annnnnaannn-i_i
SECRET
VRK1-
I-VI
f;SK-1
SP- -3000R
PK,' ,,?
A 7Z-30
Z A -240
WA -240
v w L-7
YWL-7
KP-4716
2P3F-47
AZS-5
PV-1
7204-307
NiS0
W-45
F-3S'
W-45
47-K
KL:7RK-45
KLSRK-45
BANG -4c
BAC-45
CHS-19
73-K
5-K
AM-IO
K7-11
-4S
'ORM
f?
,?
Declassified in Part - Sanitized Copy Approvedfor Release 2013/11/18 : CIA-RDP80-00247A000500490001-1
? ? ?
NO FOREIGN DIS5kM
14
e.
,
?
?
f-fk
j
????
:??????*;
? fit.
? . ?:;?`
, ? tn.
_ 14;
t
i4--
3 5
-
clack heater switch
generator excitation. switch
? U7 /ultra-violet/ light resistor /port/
UF /ultra violet/ light for the starboard
instrument panel part
. UF /ultra-violet/ light for the port in-
strument panel part.
7, landing light
fuse of the li,..rAing . light circuit breaker
:l. fuse of the taxying light
1 2. taxying light
43. collective pitch indicator transmi tter
collective pitch ineicator IME=2160.
45. oil dilution switch
45. fuel contents gauge
47. fuel contents gauge
A. fuel contents gauge
4 t-? artificial horizon
artificial horizon
rl . artificial horizon
50X1
?W-45
PUF0 -48
APUTOSz-45
APUFOSz-45
A Z8-15
circuit breaker-?A_Zzr
?'-'1? -100
31.1P-4
U'ZP-47
71-47
BS-1177
W-45
AGK-47B
PAG-1F
P. 75 -15
r:.
transmitter
indicator
switch
inverter
switch fusa
?
c longitudinal trim transmitter
1 ortsi tul inal trim mechanical indicator
3. engine r .p .m. indicator generator
'7 SI ? engine r.p 'indicator
60. generator of rotor r .p . indicator
f51.7. individual connector of the taxying light
, cylinder head temperature transmitter
. cylinder head temperature indicator
54.. -pin connector
r: ? . 12 -pin c onnect or Accmcmoisle
4.:5. 4-pin 'connactcr
67. 1,-,??itch fuse
63. connector for the port cockpit light
59. Pitot tube connector
70. 4-pin connector fat the rear part .?
71. two-way fastener.
73 ? connector of the port ultra-violet light
75. 12-pin connv;tor /upper one/ .
SECRET
?? S. e
U 2-47
U 7P-47
4UG-4 -48
2T..-4-2
4UG-1 -48
TCT-9
TT-9
Ss:R321-125s zI
z1132P12!is zI
SzR28P4NE,z5
A 7P,-5
IP-1
IR-1
JPX 4 14
73-K
IP-1
S zP32 P1233 zl
?
Declassified in Part - Sanitized Copy Approved for Release 2013/11/18 : CIA-RDP80-00247A0nn5nnaanna:4
- -
Declassified in Part- Sanitized Copy Approved for Release 2013/11/18 : CIA-RDP80-00247A000500490001-1
.1 NO FOREIGN DISSEM
50X1
'6. 4-way connecting fastener -75-
77. ultra-violet /UP/ light 7-esistor /starboard/ RU 0-48
7C. fuel reserve signalling light
2-way connector socket
.,.-4-way connector
1. thrti-pointer engine indicator
? oil pressure gauge transmitter of-
. 3-pointer indicator
T.5! oil terperature transmitter of 3-pointer
indicator ?
.94. 7uci contents gauge.transmitter of
3-pointer indicator .. -
S5. three-pointer indicator for the gearbox
36. oil pressure gauge transmitter of
3-pointer indicator '
97. oil temperature transmitter of 3-pointer
indicator
88. oil pressure gauge transmitter of
3-pointer indi...Cator. D-5
89. OBI switch fuse of 'Air bet km-10
gogsmaini ? siamen=suistian.
. VEX socket MR250Ft 48K ? ?
92. fire detecting warning lamps SLC-51 red.
93. Fire extinguisher pushbutton
7204-330
94. fastening plate. '
_95. relay.- -
, ' 0 itemonitimatBMCNIMI
FT; thermo-signalling device contact.pcint. bimetalliC
therm?
98. therma-signallii:e dt.r4ice?cor...tae4ir
:99. thermo-signallin device cctect !signalling
100. thermo-signalling device centT-Ict point 4evice
101-. cartridge on the buttle Pi'-3 ?
102.. electromagnetic valve for oil dilutiOn
. system BKR-3
MI ? ips===sonsam
104. PAG-1F inverter connector IR-1
105. windscreen wiper swit-ch?tuse ? A22-5
106. windscreen wiper mains filter F-14-A
107. windscreen wiper electric mctbr AS-2
from MA-250M
P-15B
P-1B
UK Z-5
D-5
'SECRET
- 15 -
Declassified in Part - Sanitized Copy Approved for Release 2013/11/18: CIA-RDP80-0074.7AnnncnnAarmr14 4
Declassified in Part - Sanitized Copy Approved for Release 2013/11/18: CIA-RDP80-00247A000500490001-1
-NO-FOREIUN ?DISSLNI K.
I'll
!A.
T
, ?
103 anti-ioing syste.l.switoh fuee AZ6-1.2
1 1
109. anti-icing fluid up s7:itch 2pF1-59,X
110. ?:.ati-loing pwr,/ starting button fj-.11
_11.1. anti-icing pump starting switch X-25-11
1 .St6-16A
112. anti-icingfluid. .unp o2eretion
lame
113. anti-ioing fluid o15eration aiLnal light S,X-.51 L;reeni
114. anti-icing pump
113. ceck:Jit ?ailing lamp.switoh fuze
117. Redie compartment light
11E'. Radio compartment lit svitoh
11. Radio oompass automatio faze AZS-1
120. Port pos. light relay TDJe-10
. 1.21. Remote oontrol box of ARK-5 .Al2-3 set
----i22. Starboard poslizht relay. Te-2I0
15. Fastening vlate of starboard pos..
liz.ht relay , 4137200-27-3
124. Radio compartlIent light , ZISRK-4,
?W"). Indiv. conneetor of 1,-.14-5 light
126. Pos. li",ht at the starboard litter B.C.10-45'
17.Pos. light at the .14rt. litter Bb:70-0' :
128. Indiv. coaneotor eAG - I? - JR-1
129. Pv,o-clamp distribution plate 73-K
130. 4-pin ocianeotor . SzR20Pk.4.:4Sz8
1)1: 4-4n conneotor Sz1120Plf4Sz8
32. FAarboard litter pos. ligat switoh W-4,
? _153. Port litter 1)05. light switch
? 1)4. Starboard litter light ? 2-39
139. l'ort litter 1101t P-39
1,6. Canmp id:te of port 351. light relay U7200-27-)
137. Radio onmaartmt.Int iigt conneotor JR-!1
5)8. Starboar jos light connector' JR-1
119. Port yos. light oonn:totor :JR-1
140. Port pos. light relay co.:an2ctor JR-1
B. 3%,eo1fication of cables.
?
oables are mark.:d by numbers and letters in
order to facilitwts the installation, removal, trouble
hucting and rejaaoehent. :ore-vver a vlayl,chloride tubs
/conduit/ is jut on uvury o'ne lead, thd c?endult being
mared too.
16-
-
SECRET
NO Fokpptsi - .
Declassified in Part - Sanitized Copy Approved for Release 2013/11/18: CIA-RDP80-00247A0005ougnnn1_1
?
X ? aStr.,--
1 1
Declassified in Part - Sanitized Copy Approved for Release 2013/11/18: CIA-RDP80-00247A000500490001-1
No FOREIGN DISSEM
CA
?
?
t
z
1 to 25 ,rrtc :: ali...A.A: oft t'lair di2tiihr:tioa.
.'...EI ....o.le ...,;-rcl alJotria :L-t or k 1.....s bdon ,5ivi0,-2-
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b :.J.
o
1 '
ii
if, . _
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o. ii-:,. o2 :-.:A of 4v ?;')-2.%;:i joirouits/.
11
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...
,...,
iiirtOr
1)=Att,327
roani 234 eouroO
volta ...Atter
i?Itot ttfue
ortalde 000.r. It lari,)
000kjit littar 116hts
2ositiom
ou;,A,7..a /11 .:Lt/
Altra?violat cii 11.at1as
o oo k h:atar
1i it
fual s;fsta,.
Collaotive 1.istoh indioz..tor
artlficiLd horic,c.i.
sycte:a devioe
I SECRET
To- TW 153SEM
Declassified in Part - Sanitized Copy Approved for Release 2013/11/18 : CIA-RDP80-00247A0005004900011?A-
- i6a?
&mem
Declassified in Part - Sanitized Copy Approved for Release 2013/11/18: CIA-RDP80-00247A000500490001-1
"
I NO
1-UKCIUN IJIJOCM
thermometer
r.p.m. indicator /tachometer/
transm.-receiveroradio-comp.t+t
raiio-AMMIlr-cmpass
illiammoseimmoseeimilM
23 oil dilution
24.
25 ?
fire extinguisher
anti-icing device
and windscreen wiper
TA
The first two letters written on the cable and on the
viuyl chloride tube /conduit/ form a marking appropriate
toagiven circuit.
The first cipher behind the marking letter
cable order in the circuit /it depends on number
se.:tions of which the given circuit consists/.
The second cipher or letter placed after a streak /-/
indicates the number of terminal which should be connected
to the cable.
For instance, let us consider a cable and a vinyl chlo-
ride conauit /tuLe/ marked a4 followa:
gives the
of table
PB1 -3
length 25 mm.
Letters PB indicate that the cable belongs to the fuel sys-
tem circuit, the cipher 1. indicates the -cable order number
in the circuit, the cipher 1 indicates the number of
nal, which should be connected to the FP1-1 markee cable.
Numbars of connectors and accessories, which are connec-
ted by the cable can be read in the wiring diagram.
i:aikin.es are written on the cable and on the vinyl
chloride conduit by mein e of unwashable black drawing ink.
/conduit length is enual to 25 mm/.
Voreover, duralumin sheets with bunch number are placed
on all bunched cables.
The full identification of electrical system is possible
unly by thz help of wiring diagrams /rig. 8 and 9/.
SECRET
-140- FOREIGN-DIME/4
Declassified in Part - Sanitized Copy Approved for Release 2013/11/18: CIA-RDP80-00247Annrisnn4a-n-hn:1_i
J
Declassified in Part - Sanitized Copy Approved for Release 2013/11/18: CIA-RDP80-00247A000500490001-1
NO FOREIUN lAbbtNI
-
Declassified in Part - Sanitized
B6. Switchboards..
The helicopter is outfitted with a central system for electr
power distribution.
The electric power distributing device is located on
the Starboard switchboard.. Its wiring diagram is shown in
Fir- 7- .
A central maincable is supplied by indiVidual current sour-
ces by means
of following .cables:.
a/ IG cable from the inverter
b/ IG cable from the storage battery through the automatic
-fuse type A7-3O.
c/ IN cable from the ground supply socket 'through the
RT-40 relay.
The current is conducted from the main central cable to
a part of electric power .consume)ss directly by means of 6
leads protected by PW-2 fuses. Tvo other leads conduct the
current from'the.central main cable'to two auxiliary cables
and further to the rest of electric power consumers /recei-
vers/ through.the A2S automatic fuses. '
The right switchboard is. extruded of duralumin. Accessories.
and switches are installed on. the switchboard upper surface.
The side flanges Serve for fixing the switchboard and fasts-
fling-it to the helicopter airframe in the cockpit.
The switchboard 13. fastened by means of screws.-In the
upper part of the switchboard a holder for the cockpit lamp
type KISRR-45 is installed,: ?
.Belowithree ranges of W-45. and A. automatic switches
/fuses/ are installed /five switches in one range!.
es
The awitcWare mounted so that their levers protrude -
out of switchboard.
Plexiglass protectivalimiters are installed over the
switch 1ever9. They separate the levers and protect them
against inadvertent switching on. .
Under the switches, a panel is mounted. It is provided
with a rh=lstat RUFOSz45 type /upper part/ for the ultra-
-:violet lights as well as with a RiiC45 rheostat. /centre/ for
the magnetic Compass light.
Under the panel,.a hinged cover is installed outfitted
with a handle and lock. Nhen openpit.enables the access to
*SECRET ? - 48 -
Copy Approved for Release 2013/11/18: CIA-RDP80-00747AnnncnnAo'ii-An'4 4
Declassified in Part - Sanitized Copy Approved for Release 2013/11/18: CIA-RDP80-00247A000500490001-1
NO FOREIGN DISEM
;
?
?
50X1
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5,4iecti 6&a ca' 01/i:41''' -../-6.117 ? Dig. 7
1 ; -CRET . _.,..4,_ r5r-
-4 '.---17"---7------ - - ' -----7-?
N
,- . 'F-C3/E15R-15T5517;r1tT-1r7""''""--777"7"."7"'-"7'7"--
^
Declassified in Part- Sanitized Copy Approved for Release 2013/11/18 : CIA-RDP80-00247A000506-490001-1
Declassified in Part- Sanitized C py pprovedforRelease2013/11/18:CIA-RDP80-00247A000500490001-1 ?,
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1-C.Mt1(.7N UIJJt/Y1
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the fuses which are installed on the'cover inner side. The 1
fuses are installed in one range1. they are connected to the
main central cable- The board network is connected with the
fuses by-means of thin, flexible leads.
:The oil dilution switch is mounted On the port side of
the hinged cover.
Four pin connectors type SzR are used to facilitate the ser-
vice end 'maintenance, the installation and removal of conne-
ctions to the helicopter network. Two of them are counted
at the starboard side of the cover, two other are located.
in the coverlower part.
After having installed the hinged cover on the helicop-
ter. it ii necessary toconnect its connectors with suitable
. .
bunched cables connectors..:
The. switchboard is outtitted.with placards concerning,
every switch, rheostat or fuse. These placards are made in
form of metal plates with,luminous inscriptions:
RI. Automatic circuit breakers type A.
The automatic circuit breakers installed on the.helicOp-
ter are. operatingat direct current voltage up to 30 V at
nominal current 5, 10, 15 and 30 A. They serve for automatic
switching off the electric power consumers in case of dange-
.
rout overloading and short-circuits..
The automatic, circuit breaker-/Fig. 10./ consists of a
4
single-pole circuit breaker, bimetallic 'plate,.enabling the,
automatic disconnection of.the instrument protected by the
AllSlautoCatic circuit breaker: " '
.The circuit breaker mechanism is placed inside the case.
The case is in two parts. ? ? .
Movable and fixed contactora /16 and 17/ are placed
side the cast upper part /8/ as well as the lever /14/ with
spring /15/ and textoliA.e pin /13/ for manual switching on
and oft." ?'
In the case lower part ./1/ a bimetallic plate /22/ is .
installed. The plate is touching two limiters, it is connec-
ted with two terminals /23 atd 24/ led out of circuit brea--.
ker case.
The automatic circuit breaker starts its operation when
the bimetallic plate is heated due to overloading or short -
SECRET - 20
eclassified in Part- Sanitized Copy Approved forRelease201371-1718 : CIA-Rnpczn_r-vv)AA,,?
I,4
I S
'Declassified in Part- Sanitized Copy Approved forRelease-2013/11/18 : CIA-RDP80-00247A000500490001-1
1
NO FOREIGN 0155EM
-
)3
-
4.1 ? 7...
v
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A! ?
474
50X1
the fuses which are installed on the cover inner side. The
fuses are installed in one range,, they are connected to the
main central cable. The board network is connected with the
fuses by means of thin, flexible leads.
_ .The oil dilution switch is mounted on the port side of
the hinged cover.
Four pin connectors type SzR are used to facilitate the ser-
vice and *maintenance, the installation and removal of conne-
ctions. to?the helicopter network. Two of them are mounted
at the starboard side of the cover, two other are located.
in the cover lower part
After having installed the hinged cover on the helicop-
ter, it is necessary to connect its connectors with suitable
. ?
bunched-cables connectors. ?
The switchboard is outfitted with placards concerning' .
every switch, rheostat or fuse. These placards are made in-
. form of metal plates with luminous inscriptions.
B7. Automatic circuit breakers type A2E.-
-
The automatic circuit breakers installed on the helicop-
ter are operating at direct current voltage up to 30.V at ?
nominal -current 5, 10, 15 and 30 A. They serve for automatic
switching off the electric power consumers in case of dange-
rous overloading and short-circuits..
' The automatic circuit breaker-/Fig. 10./ consists of Et
single-pole circuit breaker, bimetallic plate,.enabling the
automatic disconnection of the instrument protected by the
AZS automatic circuit breakor.: ' . ? ' ? '
.
The circuit breaker mechanism is placed inside tho case.
The case is in two parts.'
Movable and fixed contactors /16 and. 17/ are placed ih-,
side the case upper part /8/ as well as the lever /14/ with
spring /15/ and textolite pin /13/ for manual switching on
and 'off....
. In the case loxer part /1/ a bimet*llic plate /22/ is
installed. The plate is touching two limiters, it is. connec-
ted with two terminals /23 and 24/Vied out of circuit brea--
ker case. ?
The automatic circuit broker starts its operation when
the bimetallic plate is heated-due to overloading or short -
-
NO FOREIGN DISSEM
?zu,
Declassified in Part - Sanitized Copy Approved for Release 2013/11/18: CIA-RDP80-00247Annnsnn4annn1
SECRET ? 20 ?
- I
Declassified in Part - Sanitized Copy Approved for Release 2013/11/18: CIA-RDP80-00247A000500490001-1
NO FOREIGN DISSEh
-.9411??
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or-e?-tra e art?.
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6 rl
/4/,?,;.7.9 cb;2.9earn
of elerfricd/
evu,,17merst.
47.-5.
'SECRET
50X1
NO FOREIGN DISSEM
Declassified in Part - Sanitized Copy Approved for Release 2013/11/18: CIA-RDP80-00247A000500490001-1
Declassified in Part - Sanitized Copy Approved for Release 2013/11/18: CIA-RDP80-00247A000500490001-1
NO FOREIGN DISSEh
c
50X1
4C SECRET
NO FOREIGN DISSEM
Declassified in Part - Sanitized Copy Approved for Release 2013/11/18: CIA-RDP80-00247A000500490001-1
Declassified in Part - Sanitized Copy Approved for Release 2013/11/18 : CIA-RDP80-00247A000500490001-1
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-circuit. Owing to this fact the bimetallic plate deflects
releasing thus the ratchet....
To facilitate the automatic circuit breaker use in
darkness- the lever is outfitted with a .1uminousaye. .
l'he nominal voltage is equal to'28 Volts D.C., the max.
admissible voltage is 30 V. The switching off current at .
. 5, 10, 15 and 0 A is' equal to 1,3 nominal current.
The breakdown voltage of the autom. circuit breaker in-
sulaiicn 12 equal to 500 _Volts at 50 c/s frequendy during ? '
- 1 min: ,
The-A2Z eiUit breaker Service life isequal to 10.000
switching procedures /on and off/ at: nominal current, nomi-
nal voltage; real Toad. ?
The circuit breaker are operating as follows:?- ? . 1.:
A2S5 circuit breaker enables three breskings.at 1000 A shorti
-circuit current at 760.mm Hg and 20 deg.C. =
A2S 10 circuit breaker enables three breakings at .1000 A
,
short-circuit current at 750 mm Hg and 20 deg.C.
A2S 15 circuit breaker enables _three breakinze 01500 A
short-circuit current at 760 mm Hg and 20 deg.C.
A2S 39 circuit breaker enables three breakings at 1500 A
short-circuit curreni at 760 mm Hg and 20 deg.C.
A2S 5 circuit breaker enables two breakings at 500 A short-
.
^
,
-circuit current at90
AZ'S 10 circuit:breaker
. -
-circuit current at 90
? A2S 15 circuit, breaker
-circuit current at 90
An 30 circuit bmaker
-circuit current at 90
The automatic
at least at f 50?C
minal ?current;
-The weight of
. .
exceed 90 gm.,':
The A2B circuit breakers ara ser:ic,-,able within the ambient
air temperature range 4- 50?C 4- 60?C at relative -humidity
up to SPA at pressure equal to 760 4-90 mm Hg. ? ?
The AZS circuit breakers are fastened by means of to
VA screws. Than connecting the leads hold the torminals by
rim Hg and 20 C.- , .
enables two breakings at 500 A.chOrt-.
mi Hos and'200C.
enables two breakings at 1000 A short
mm
Hg
enable two breakings at logo A short-
mm Hg and 20?C.
. . , .
circuit breaking time is equa1'to 3 sec
temperature after.heating.15,!.e.;'.at nO='
. ??
- ?
? ?
A2Z automatic circuit breaker does. hci
,
- 23 -
SECRET.
NO FOREIGN DISSEM
Declassified in Part - Sanitized Copy Approved for Release 2013/11/18 : CIA-RDP80-00247A000500490001-1
t
.4.14??????41.4.4^
?
Declassified in Part- Sanitized Copy Approved forRelease2013/11/18 : CIA-RDP80-00247A000500490001-1
NO fOREION DISSEM?
t
IL
hand
hand in order to avoid their releasing.
50X1
The positive cable /plus/ should be connected to the
terminal connected with the fixed contactor /ma ked with ".}.."/
? It is-forbidden to hold the lever' in "on" position, sin
ce, the circuit breakers have no special disconnecting me-
chanism. The switching on should be fast without holing the
lever in "on" position.
The defective autom. Circuit breaker should bereplaced
by a new one. Do not open the circuit breaker, its overhaul
or adjustment is not admitted.
1
B.8. Bonding. ,
The helicopter airframe serves as a :Anus lead of the I
electrical network: in order tc ensure an equal electric po-
tential on the whole helicopter, all metal parts of the heliJ
copter assemblies /tubes, control levers, hinges, instrument
panel; tanks and so on/ are bonded i.e. interconnected ele-
ctrically in a reliable manner.
rh order to diminish noises and disturbances in radio
transmission and, reception, all movable connections must be
bonded if these conna.rtions can cause sparking.
Yullywing helicopter assemblies should be bonded: /Fig
12 and 13/,
1. both helicopter control systems /for hands and feet/ '
2. fuel 'system
3. oil system
4. enaine assembly
5. landing gear assembly
6. instrument panel
7. radio and eleciriCaI ecuiptent which requires bonding ?
8. main rotor blades with rotor hub.
Moreover, all conduits, braids and protecting tubes of
electric and radio equipment leads are connected: to the he-
licopter airframe metallic mass by means of fasteners.
he helicopter should be grounded luring parking time.
The cable which is fastened to the -port framework of the lan-
ding gear should be driven into the ground.
__SECRET - - -
NO Talitrai -.1;;?? ."?Ir
24:-
.1,I.
Declassified in Part - Sanitized Copy Approved for Release 2013/11/18 : CIA-RDP80-00247A00050049000;1-4
Declassified in Part - Sanitized Copy Approved for Release 2013/11/18: CIA-RDP80-00247A000500490001-1
50X1
P73 2:: n...Jormatic. crc.st . iype AZ5
Lot-woe of,e 3. Ai
di. ?ever
.2 1;31.144shr19
3. 47,-75Z.e pfcre 15. .,,j0,-ing
1. cNov-26.'e.
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turn the olai-cr. h,117es 1:y hn angle, -11ich ^crre'rcu'Is t.c
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fuzel ?e.I6-Ilt 4ssenblies c?re chosen so, :-"is to 1,%tce t'..e !
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brcu'e: rcintts t:er,..es for elr.lin4;hinz the .-...1.: i
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their en(s, t.:o.,-14.--d -ith socIwt numbe.r. Te
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cl" other cylinders .,tettld te con,0n-ei 4:050X1 I
.the sets ::c-ordi.IE lo !-:::e 'irin6 or'f-r:
.eletec aat.1 rotetine; .i.scs lre s'ncycn r - t`e -nrz-e'n I )4
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