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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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