Moon & Mars Orbiting Spinning Tether Transport - Tethers Unlimited

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Electrical Propulsion Voltage´ Speed & length drive voltage requirement´ ScenarioDV = v LxB = 9500 x 10,000 m x 0.7E-4 T = 6650 Voltsju st to prevent current back-flowD Also, P = IV = I (v LxB + R)where I v LxB = mechanical power and IR = resistance loss´I v LxB = 222 kW ( avg) to provide propulsive power´I = 222kW/(v LxB) ~ 33.4 Amps at 10 km tether length´ V = 6650 / 0.23 = 28,800 V to overcome resistive loss22
Reel Subsystem
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Tethers Unlimited, Inc.MMOSTT Final
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NIAC Funded Tether Research• Moon
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Electrodynamic Reboost• Power sup
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Cislunar Tether Transport System•
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MXER Tethers Included in NASA’sII
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5mt Payload Tether Boost Facilityfo
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LEOGTO Boost Facility• Initial Fa
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Tether Boost FacilityControl Statio
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LEOGTO Boost Facility• TetherSim
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Rendezvous• Rapid AR&C Capability
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Proposed RETRIEVE TetherExperiment
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µTORQUE on Delta IV• Delta-IV Se
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Opportunities for NASATechnology De
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AIAA 2000-3842COMMERCIAL DEVELOPMEN
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--Commercial Tether Transport AIAA
Page 52 and 53: -Commercial Tether Transport AIAA 2
Page 54 and 55: Commercial Tether Transport AIAA 20
Page 56 and 57: Commercial Tether Transport AIAA 20
Page 58 and 59: Momentum Exchange/Electrodynamic Re
Page 60 and 61: DESIGN AND SIMULATION OF A TETHER B
Page 62 and 63: Tether Boost Facility Design AIAA 2
Page 70 and 71: Tethers Unlimited, Inc.Cislunar Tet
Page 82 and 83: Interim Report Outline- Configurati
Page 84 and 85: Mission Definition¥ Payload Capaci
Page 86 and 87: Baseline Control Station DetailsTET
Page 88 and 89: Baseline Grapple AssemblyCAPTURES A
Page 90 and 91: LEO Facility System ArchitectureGRA
Page 92 and 93: Payload Adapter Assembly Subsystems
Page 94 and 95: Potential Reeling FunctionsReeling
Page 96 and 97: LEO Control Station Weights16
Page 98 and 99: Payload Adapter Assembly Weights18
Page 100 and 101: Tether Boost FacilityRequired Power
Page 104 and 105: Potential Reeling FunctionsReeling
Page 106 and 107: Preliminary Reeling AnalysisθθAss
Page 108 and 109: Tether Boost FacilitySystem Require
Page 110 and 111: Table of Contents1 Scope ..........
Page 112 and 113: 2 ReferencesThis section lists docu
Page 114 and 115: The system shall measure and contro
Page 116 and 117: 4 Ground Rules & AssumptionsThis se
Page 118 and 119: Appendix F: Tether Boost Facility D
Page 120 and 121: Appendix F Tether Boost Facility De
Page 122 and 123: Appendix F Tether Boost Facility De
Page 142 and 143: Appendix L: Tether Boost Facility D
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Appendix L: Tether Boost Facility D
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Tethers Unlimited, Inc.Tether Rende
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Ongoing Tether Work Under NIAC Fund
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Cislunar Tether Transport System•
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Rapid Earth-Mars Transport• Reusa
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EarthMars Launch Windows• MMOSTT
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Incremental Development Path1. TORQ
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LEOGTO Boost Facility• TetherSim
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Tether Boost FacilityControl Statio
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Modular Design• Design Components
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Payload Accommodation AssemblyConfi
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Electrodynamic Thrusting• Drive c
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Tether Facility Reboost• Use Elec
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Rendezvous• Rapid Automated Rende
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Rendezvous Method: Preparation• P
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Development Issues• Automated Ren
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Potential Flight Experiments• Hig
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Opportunities for NASATechnology De
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Acknowledgements• Boeing/RSS - Jo
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IAF-99-A.5.10RAPID INTERPLANETARY T
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Rapid Interplanetary Tether Transpo
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IAF-00-S.6.04TETHER SYSTEMS FOR SAT
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IAF-00-S.6.04controlled very precis
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IAF-00-S.6.04Perigee Altitude (km)3
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IAF-00-S.6.04The LEO⇒GTO Tether B
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IAF-00-S.6.04AcknowledgmentsThis re
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Tethers Unlimited, Inc.Appendix K:
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Tethers Unlimited, Inc.at a rate of
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Tethers Unlimited, Inc.Appendix L -
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Tethers Unlimited, Inc.Appendixm M:
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Appendix N. MXER Tether for Deployi
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Electrodynamic Thrustingto Reboost
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100000 95000 90000 85000 80000 7500
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Momentum Exchange/Electrodynamic Re
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NOMENCLATURESymbol MeaningA payload
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DepartureangleA = 1.5π - (ω + u
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Tether material has a "characterist
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Rendezvous of Grapple with PayloadT
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adius vector to the new center of m
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days from payload pickup at one pla
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"JupiterandBeyond"Tether cut CUT:<
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Tethers Unlimited, Inc.Appendix Q:
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Tethers Unlimited, Inc.Appendix R:
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