PROJECT GEMINI F L I G H T M A N U A L PROJECT GEMINI FLIGHT MANUAL REENTRY AN ORBITAL SIMULATOR PROJECT GEMINI FLIGHT MANUAL DRAFT UPDATED: 15/07/2020 1 | Page PROJECT GEMINI FLIGHT MANUAL TABLE OF CONTENTS I. INTRODUCTION .................................................................................................................................................... 6 1. ABOUT ................................................................................................................................................................. 7 2. A BRIEF HISTORY............................................................................................................................................. 8 3. CONTROLS ..................................................................................................................................................... 10 4. KEYBOARD CONTROLS.............................................................................................................................. 11 II. MAJOR COMPONENTS .................................................................................................................................. 14 1. THE SPACECRAFT ......................................................................................................................................... 15 2. ATTITUDE CONTROL .................................................................................................................................. 19 3. CABIN ............................................................................................................................................................... 20 4. MAJOR CONTROL SYSTEMS .................................................................................................................... 21 III. GEMINI-TITAN II LAUNCH VEHICLE ......................................................................................................... 23 3.1 STAGE I .......................................................................................................................................................... 23 3.2 – STAGE II ..................................................................................................................................................... 23 IV. ENVIRONMENTAL CONTROL SYSTEM ................................................................................................... 26 1. GENERAL ......................................................................................................................................................... 26 2. OXYGEN SUPPLY SYSTEM ........................................................................................................................ 27 3. CABIN LOOP .................................................................................................................................................. 29 4. SUIT LOOP ...................................................................................................................................................... 29 5. WATER MANAGEMENT LOOP ................................................................................................................ 29 6. OVERVIEW OF THE ECS PANELS ............................................................................................................ 29 7. CONTROLS ..................................................................................................................................................... 31 8. SYSTEM OPERTAION .................................................................................................................................. 36 9. COOLANT FLOW .......................................................................................................................................... 37 V. GUIDANCE & NAVIGATION ......................................................................................................................... 42 1. GENERAL ......................................................................................................................................................... 42 2. ACME ................................................................................................................................................................ 43 2.1. OAME ....................................................................................................................................................... 44 2.2. RCS ............................................................................................................................................................ 44 2 | Page PROJECT GEMINI FLIGHT MANUAL 2.3. ATTITUDE MODE OPERATION ........................................................................................................ 44 3. INERTIAL GUIDANCE SYSTEM ................................................................................................................. 45 3.1. INERTIAL MEASUREMENT UNITY .................................................................................................. 45 3.2. AUXULUARY COMPUTER POWER UNIT ...................................................................................... 46 3.3. ON-BOARD COMPUTER .................................................................................................................... 46 3.4. INCREMENTAL VELOCITY INDICATOR......................................................................................... 46 3.5. IMU OPERATION .................................................................................................................................. 46 3.6. CONTROLS AND INDICATORS ....................................................................................................... 48 4. HORIZON SENSOR SYSTEM .................................................................................................................... 51 5. RENDEZVOUS RADAR SYSTEM .............................................................................................................. 53 6. COMMAND LINK SYSTEM AND THE ENCODER .............................................................................. 56 7. TIME REFERENCE SYSTEM ........................................................................................................................ 58 8. PROPULSION SYSTEMS ............................................................................................................................. 61 8.1 OAMS ........................................................................................................................................................ 61 8.2. RE-ENTRY CONTROL SYSTEM ......................................................................................................... 65 VI. ON-BOARD COMPUTER ............................................................................................................................... 69 1. GENERAL ......................................................................................................................................................... 69 2. MANUAL DATA INSERTION UNIT ......................................................................................................... 70 3. INCREMENTAL VELOCITY INDICATOR................................................................................................. 73 4. AUXILIARY Tape UNIT ................................................................................................................................ 75 5. MODULES ....................................................................................................................................................... 76 5.0. LOADING AND THE PRE-LAUNCH MODULE ............................................................................ 76 5.1. THE ASCENT MODULE ....................................................................................................................... 76 5.2 THE CATCH-UP MODULE .................................................................................................................. 76 5.3. THE RENDEZVOUS MODULE ........................................................................................................... 78 5.4. THE REENTRY MODULE ..................................................................................................................... 78 6. MEMORY MAP .............................................................................................................................................. 78 VII. SEQUENCE SYSTEM ...................................................................................................................................... 81 1. GENERAL ......................................................................................................................................................... 81 2. SYSTEM OPERATION .................................................................................................................................. 82 2.1 PRE-LAUNCH .......................................................................................................................................... 83 2.2 LIFT-OFF ................................................................................................................................................... 83 2.3 BOOST AND STAGING ........................................................................................................................ 84 3 | Page PROJECT GEMINI FLIGHT MANUAL 2.4 SEPERATION AND INSERTION ........................................................................................................