Sea Launch User's Guide

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2.4 Payload Unit Components and construction The payload unit consists of the spacecraft integrated with the payload accommodation. The payload accommodation consists of the spacecraft adapter, payload structure, interface skirt (IS), payload fairing, and flight avionics and instrumentation. Figure 2-7 shows the arrangement of the major payload accommodation components. The construction is aluminum honeycomb/graphite epoxy for the fairing, nosecap, and payload support structure. The payload fairing is 11.39 m (37.4 ft) long and 4.15 m (13.6 ft) in diameter. These elements are integrated in a class-100,000 clean facility during ground processing at the Home Port. The standard spacecraft adapters are procured from the industry standard supplier, Saab Ericsson. Future 5 m capability Sea Launch is assessing customer interest in a 5 m diameter payload unit. If sufficient interest exists, Sea Launch will offer this capability to our customers in the 2002 to 2003 timeframe. The Sea Launch 5 m design would provide a payload static envelope 4.57 m in diameter. The design will provide encapsulated operations similar to our baseline PLU operations, as well as similar avionics and structural interfaces. 2-12 D688-10009-1 REV B
Spacecraft adapter Payload structure Interface skirt Nosecap (composite) Payload fairing (graphite/epoxy composite) Longitudinal separation system 11.39 m (37.4 ft) 3.9 m (12.6 ft) 4.15 m (13.6 ft) Spacecraft I/F plane Closeout membrane Spacecraft adapter (aluminum) Payload support structure Block DM-SL I/F plane Circumferential separation system Interface skirt (aluminum) Block DM-SL (partial view) 265807J3-068R1 Figure 2-7. Sea Launch Payload Unit REV B D688-10009-1 2-13
Page 1 and 2: SM® User’s Guide _______________
Page 3 and 4: TABLE OF CONTENTS 1. INTRODUCTION .
Page 5 and 6: Mission manager and team ..........
Page 7 and 8: 6.2 Modal Frequencies..............
Page 9 and 10: Weather conditions ................
Page 11 and 12: 11.2 Safety Assessment Phases......
Page 13 and 14: LIST OF FIGURES Page 1-1 Generic In
Page 15 and 16: 8-16 Payload Unit Mating to the Zen
Page 17 and 18: ABBREVIATIONS AND ACRONYMS ACS ARS
Page 19 and 20: 1. INTRODUCTION Purpose The purpose
Page 21 and 22: Milestones • Customer kickoff •
Page 23 and 24: Sea Launch Company Sea Launch Compa
Page 25 and 26: KB Yuzhnoye/PO Yuzhmash KB Yuzhnoye
Page 27 and 28: 2. VEHICLE DESCRIPTION Overview The
Page 29 and 30: Table 2-1. Flight History Component
Page 31 and 32: RD-171 engine The RD-171 engine, wh
Page 33 and 34: Block DM-SL interface plane Liquid
Page 35 and 36: 2.3 Block DM-SL—Upper Stage Confi
Page 37: Attitude control Three-axis stabili
Page 41 and 42: Cooling air From encapsulation to l
Page 43 and 44: 3. PERFORMANCE Overview The Zenit-3
Page 45 and 46: 20 N HAWAIIAN ISLANDS North Pacific
Page 47 and 48: Flight timeline Table 3-1 lists the
Page 49 and 50: Groundtrack Figure 3-3 shows the as
Page 51 and 52: Geosynchronous transfer orbit The Z
Page 53 and 54: Circular and elliptical orbits Figu
Page 55 and 56: High-energy and escape orbits Figur
Page 57 and 58: 3.5 Spacecraft Separation Separatio
Page 59 and 60: Mid 2002 6700 Planned future growth
Page 65 and 66: Planning Phase (Through SC Delivery
Page 67 and 68: 4.2 Mission Analysis and Operations
Page 69 and 70: SC/SLS ICD SC ICD verification plan
Page 71 and 72: Mission-specific documentation The
Page 73 and 74: Operations plan The operations plan
Page 75 and 76: 5.1 Transportation and Handling at
Page 77 and 78: Vertical Horizontal Horizontal 2658
Page 79 and 80: Base acceleration, g 1.2 1.0 0.8 0.
Page 81 and 82: 135 130 Sound pressure levels, dB 1
Page 83 and 84: SCA1666 The shock spectrum shown in
Page 85 and 86: 5.6 Electromagnetic Environment The
Page 87 and 88: Radiated environment There are six
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200 180 160 140 Electric field, dB
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Ground processing and transportatio
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Ground processing and transportatio
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1200 PLF separation 1000 Block DM M
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120 100 Legend: Predicted internal
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Contamination control during ground
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Spacecraft isolation The spacecraft
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6. SPACECRAFT DESIGN CONSIDERATIONS
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6.1 Mass and Center of Gravity (CG)
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Table 6-2. Expected Spacecraft Mass
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7000 6000 5000 Spacecraft mass, kg
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■ Sea Launch RF Susceptibility 16
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6.4 Spacecraft Design Verification
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Static loads test A spacecraft stat
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6.5 Horizontal Handling Processing
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7. INTERFACES 7.1 Mechanical Interf
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360 deg 180 deg 331 deg 180 deg 360
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SCA702 and SCA702GEM The SCA702 has
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7.2 Electrical Interfaces Overview
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Radio frequency link (rerad) A dire
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8. SPACECRAFT INTEGRATION AND LAUNC
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Days 1 2 3 4 5 6 7 8 9 101112131415
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Figure 8-5. Fit Check on Adapter Su
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Payload mount assembly Flexure Inte
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34 inches 688-95510-002 Scaffold as
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265807J3-105 Figure 8-13. Payload U
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8.2 Phase II⎯Mating to the LV and
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Figure 8-17. Integrated Launch Vehi
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8.3 Phase III⎯Transit and Launch
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Launch rehearsals Two rehearsals ar
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Figure 8-23. Assembly and Command S
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Figure 8-24. Liftoff From the Launc
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8.4 Flight Operations Range trackin
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Postlaunch reports Sea Launch provi
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■ Integrated LV Transfer to LP Pi
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265807J3-015R2 Figure 9-3. Home Por
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Encapsulation cell 15 m x 38 m (50
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Encapsulation cell The encapsulatio
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9.2 Assembly and Command Ship Funct
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Spacecraft checkout accommodations
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Capabilities Launch control center
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Customer office areas The two offic
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265807J3-128 Figure 9-15. Assembly
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■ Mess Hall ■ Coffee Bar ■ Ma
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Launch vehicle in launch position L
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Communications and access Telephone
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Communications Internal communicati
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Helicopter operations Sea Launch op
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10.2 Telemetry Assets Overview Sea
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Tracking and data relay satellite s
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Customer responsibilities The custo
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Phase II⎯ development The custome
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FAA/AST compliance All launch licen
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12. SYSTEM RELIABILITY Overview Sea
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APPENDIX A User Questionnaire When
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Spacecraft Orbit Parameters SI Unit
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Effective isotropic radiated power
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In-flight discrete commands Number
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Dynamic Environment Allowable accel
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Ground Processing (continued) Stand
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Ground Processing (continued) LP (t
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APPENDIX B. SEA LAUNCH STANDARD OFF
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Meetings and reviews • Customer k
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Mission integration Analyses The fo
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HP facilities • Processing and fu
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ACS shared areas • Launch control
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LP security • Card readers will c
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Facilities • Use of additional of
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