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MARYLAND Case Study: the X-Prize

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MARYLAND Case Study: the X-Prize Case Study: The X-Prize • Overview of requirements • Underlying physics • Competitors U N I V E R S I T Y O F Case Study: The X-Prize MARYLAND Principles of Space Systems Design X-Prize Rules (synopsis) • Must be privately financed • Have to launch with three people (one crew, two passengers) [For flight test purposes, passengers may be replaced by ballast] • Must reach altitude of 100 km • Must return to launch site • Must make two flights within two weeks • Must be “substantially reusable” (no more than 10% of non-propellant mass replaced between flights) U N I V E R S I T Y O F Case Study: The X-Prize MARYLAND Principles of Space Systems Design Minimum Vertical Trajectory - Losses 2500 2000 1500 1000 500 DeltaV losses (m/sec) 0 2 2.2 2.4 2.6 2.8 3 3.2 Sensed Acceleration (g's) Gravity Losses Drag Losses Total Losses U N I V E R S I T Y O F Case Study: The X-Prize MARYLAND Principles of Space Systems Design Advent Launch Services • Sea launched, vertical rocket flight • Recovery? • Plans to scaling to commercial launch U N I V E R S I T Y O F Case Study: The X-Prize MARYLAND Principles of Space Systems Design ARCA (Romania) • Vertical rocket launch • Parachute recovery into water U N I V E R S I T Y O F Case Study: The X-Prize MARYLAND Principles of Space Systems Design Armadillo Aerospace (Texas) • Vertical rocket launch (H2O2 monopropellant) • Parachute recovery onto land • Sponsored by John Carmack (”Doom”) U N I V E R S I T Y O F Case Study: The X-Prize MARYLAND Principles of Space Systems Design Arrow (Canada) • Vertical rocket launch (LOX/alcohol and solids) • Parachute landing into water • Modeled on V-2 rocket • Have performed full- power (57Klb thrust) static engine firings U N I V E R S I T Y O F Case Study: The X-Prize MARYLAND Principles of Space Systems Design Arrow 57Klb Thrust Static Test U N I V E R S I T Y O F Case Study: The X-Prize MARYLAND Principles of Space Systems Design Da Vinci (Canada) • Launch from hot-air balloon • Parachute landing U N I V E R S I T Y O F Case Study: The X-Prize MARYLAND Principles of Space Systems Design Da Vinci Prototype U N I V E R S I T Y O F Case Study: The X-Prize MARYLAND Principles of Space Systems Design Da Vinci Prototype U N I V E R S I T Y O F Case Study: The X-Prize MARYLAND Principles of Space Systems Design HARC (Alabama) • Vertical launch from ocean-going barge • Parachute landing U N I V E R S I T Y O F Case Study: The X-Prize MARYLAND Principles of Space Systems Design Interorbital Systems (California) • Sea launch, vertical rocket • Parachute landing U N I V E R S I T Y O F Case Study: The X-Prize MARYLAND Principles of Space Systems Design Interorbital Systems U N I V E R S I T Y O F Case Study: The X-Prize MARYLAND Principles of Space Systems Design Starchaser (England) • LOX-kerosine vertical launch • Parachute landing U N I V E R S I T Y O F Case Study: The X-Prize MARYLAND Principles of Space Systems Design Starchaser Thunderbird Vehicle Concept U N I V E R S I T Y O F Case Study: The X-Prize MARYLAND Principles of Space Systems Design Gauchito (Argentina) • Hybrid rocket, vertical launch • Parachute recovery U N I V E R S I T Y O F Case Study: The X-Prize MARYLAND Principles of Space Systems Design Pioneer Rocketplane (California) • Horizontal takeoff (turbojet engines) • Rocket zoom • Horizontal landing • (Out of money) U N I V E R S I T Y O F Case Study: The X-Prize MARYLAND Principles of Space Systems Design Space Transport (Washington) • Vertical rocket launch • Parachute landing into water • Static-tested 12Klb solid engine U N I V E R S I T Y O F Case Study: The X-Prize MARYLAND Principles of Space Systems Design Scaled Composites (Burt Rutan) • Two-staged – Subsonic air- launched – Rocket-powered winged • Supported by Paul Allen (Microsoft) • Flown to 106Kft, Mach 1.6 U N I V E R S I T Y O F Case Study: The X-Prize MARYLAND Principles of Space Systems Design SpaceShip One with Thermal Protection U N I V E R S I T Y O F Case Study: The X-Prize MARYLAND Principles of Space Systems Design “White Knight” Launch Aircraft U N I V E R S I T Y O F Case Study: The X-Prize MARYLAND Principles of Space Systems Design SpaceShip One U N I V E R S I T Y O F Case Study: The X-Prize MARYLAND Principles of Space Systems Design White Knight with SpaceShip One U N I V E R S I T Y O F Case Study: The X-Prize MARYLAND Principles of Space Systems Design Powered Test - 8 Apr 04 U N I V E R S I T Y O F Case Study: The X-Prize MARYLAND Principles of Space Systems Design Feathered Entry Configuration U N I V E R S I T Y O F Case Study: The X-Prize MARYLAND Principles of Space Systems Design.
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