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· · · · · · · · · · · · · · · · · · · · · ·
·.!!iifi!iii!fi![i.i"!:
FC027 1/17/69
NATIONAL AERONAUTICS AND SPACE ADM IN ISTR.A TIO N
LUNAR MODULE SYSTEMS HANDBOOK
LM-5 THROUGH LM-9 VEHICLES
JANUARY 17; 1969
NOTE
No further major revision to the handbook will be issued. Small revisions to individual drawings, figures, tables, or notes will be published as drawing change notices <DCN's) and/or page change notices (PCN's) as required.
PREPARED BY
FLIGHT CONTROL DIVISION
1 INTRODUCTION
2 STRUCTURES
3 CREW SYSTEMS
4 SEQUENT lA LAND
PYROTECHNICS
5 ELECTRICAL
6 ENVIRONMENTAL
CONTROL
8 COMMUNICATIONS
9 INSTRUMEN-
TATION
10 GUIDANCE AND
CONTROL
\1 PROPULSION
CONTROL
'·; ��l.� v �c. �:: ):' ) MANN ED SPACECRAFT CENTER
(. ;
� ::( HOLSTO:--..TE.\AS · ·=-
This cover revised by Change 4, dated June 2, 1969.
PGNS DINGS
G AND C UNIVERSAL DRAWING TREE
DISPLAY D�S
DISPLAY SWITCHING
DWG 10.4
GASTA
DWG 10.4,1
ORDEAL
OWG 10.4.2
FOAl
DWG 10.4.3
RANGE/RNG RT
DYI'G 10.4.4
CROSS POINTER
D'NG 10.4.5
PGNS/AGS SELECT SWITCHING
DWG 1D.b
AGS owes
SCS OVERVIEW
DWG 10.3
SCS POWER DISTRIBUTION
OWG 10.17
AGS SIGNAL FLOW
DWG 10.18
AEA SOFTWARE SIGNAL FLOW
DWG 10.19
RCS SIGNAL FLOW
DWG 10.20
DESCENT ENGINE SIGNAL FLQIN
DWG 10.21
DESCENT ENGINE GIMBALING
DWG 10.22
DESCENT ENGINE THROTTLING
SIGNAL FLOW
DWG 10.23
ASCENT ENGINE SIGNAL FLOW
DWG 10.24
THESE APRON DWGS PRECEDE OWG 10.20
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LM UNIVERSAL REV A
WHEN READ CTR IS WITHIN � 0.1 DEG HIGH SCHMITT STOPS, FINE TAKES OVER. F
1 GETS \jl WITH IN TWO BITS OF 8.
RR CDU DRIVE PULSES REPRESENT Cl) RR
SHAFT AND TRUNNION DESIGNATE CMOS OR C2) FORWARD AND LATERAL VELOCITY CIF CH12B8 IS SET 1 DISPLAY INERTAL DATA)
lSS CDU DRIVE PULSES REPRESENT Cl) COARSE ALIGN CMDS 1 (2) MODE 1 DAP ERRORS , C3) MODE 2 DAP ERRORS, OR (4) DAP BODY RATES
GIMBAL DRIVE RATE IS LIMITED TO EITHER 35.5°/SEC CREAD CTR AT 800 KPPS)
PROVIDES A GROUND PATH TO THE COARSE ALIGN RELAYS AND INHIBITS THE ERROR COUNTER ENABLE DISCRETE
THE RR CDU FAIL CIRCUITRY IS IDENTICAL TO THE ISS CDU FAIL CIRCUITRY WITH THE EXCEPTION OF POWER INPUT AS SHOWN
THE MIDDLE GIMBAL CMG) CDU SHOWN IN THIS DRAWING IS REPRESENTATIVE OF THE INNER GIMBAL <IG l, OUTER GIMBAL COG) RENDEZVOUS RADAR SHAFT AND RENDEZVOUS RADAR TRuNNION cou �s
NOTES
DETAIL SHEET 10.11 .2
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