ares first stage development … igniting the next ......igniting the next generation of launch...
TRANSCRIPT
0
Innovation … Delivered.
IGNITING THE NEXT GENERATION OF LAUNCH VEHICLESIGNITING THE NEXT GENERATION OF LAUNCH VEHICLES
A premier aerospace and defense company
Ares First Stage DevelopmentAres First Stage Development……
Igniting the Next Generation of Igniting the Next Generation of
Launch VehiclesLaunch Vehicles
Innovation Innovation …… Delivered.Delivered.
Approved for Public Release
Presented by:
Fred Brasfield
Ares I First Stage Program Manager
Wernher von Braun Memorial SymposiumOctober 21-22, 2008, Von Braun Center, Huntsville, Alabama
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Innovation … Delivered.
IGNITING THE NEXT GENERATION OF LAUNCH VEHICLESIGNITING THE NEXT GENERATION OF LAUNCH VEHICLES
Ares I First Stage Conceptual Design
Performance Drivers
• 56,200-lbm payload to orbit
• 800-psf maximum dynamic pressure
• 3.8-g maximum acceleration
• Maximize use of “heritage” hardware from Space Shuttle
Major Subsystems Include…
• Five-segment reusable solid rocket motor (RSRMV) derived from heritage Space Shuttle four-segment RSRM
• Forward structures assembly
• Separation and deceleration system
• Avionics and electrical system
• Ordnance and range safety systems
• Aft skirt/thrust vector control system
Approved for Public Release
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Innovation … Delivered.
IGNITING THE NEXT GENERATION OF LAUNCH VEHICLESIGNITING THE NEXT GENERATION OF LAUNCH VEHICLES
Overview/Changes From Space Shuttle Booster
New Structures SubsystemsFrustum
Aero Shell
Forward Skirt Extension
Forward Skirt
Modified Recovery Subsystems
Altitude-Sensing Hardware, Main Chutes, Reefing Line Cutters, Pyro ReleaseLinear Shaped Charge, and Pyro Thrusters
Pilot and
Drogue
Chutes
Pyro Separation Release SubsystemUpper Stage Release During Ascent
1st Stage Deceleration at Release
Frustum Ejection From 1st Stage at ApogeeExisting Range
Safety
Subsystem
Ground Power/
Control Cables,
T-0 Umbilical-up
Systems Tunnel
Existing Aft Skirt and
Thrust Vector Control
RSRMV
Electrical and
Instrumentation
SubsystemNew or Modified Avionics for Thrust Vector Control, System Control, Range Safety Destruct, Power Distribution, Batteries, Instrumentation, Video, Pyro Initiation, Recovery System and Nozzle Severance
Approved for Public Release
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Innovation … Delivered.
IGNITING THE NEXT GENERATION OF LAUNCH VEHICLESIGNITING THE NEXT GENERATION OF LAUNCH VEHICLES
Nozzle With Larger
Throat and
Extended
Aft Exit Cone
• 12 fins in forward segment to improve performance
• Burn rate lowered to meet Ares I requirements
Inhibitor
• Modified height
and thickness
• Insulation and liner
formulations modified to
eliminate chrysotile fibers
• Lay-up optimized to provide
additional thermal protection
Added Segment
RSRMV Design Change Summary
• The RSRMV design is based on the Space Shuttle RSRM
• Modifications to the motor were made to:
– Improve performance (thrust)
– Eliminate hazardous materials
– Replace obsolete materials
Propellant Chamfers on
Aft and Center Segments
Approved for Public Release
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Innovation … Delivered.
IGNITING THE NEXT GENERATION OF LAUNCH VEHICLESIGNITING THE NEXT GENERATION OF LAUNCH VEHICLES
Ares I RSRMV Propellant Casting
Video of Ares Fin Being Lowered into Casting Pit
Approved for Public Release
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Innovation … Delivered.
IGNITING THE NEXT GENERATION OF LAUNCH VEHICLESIGNITING THE NEXT GENERATION OF LAUNCH VEHICLES
Forward Structures Assembly
Booster Tumble Motors (BTM)Booster Tumble Motors (BTM)
Recovery Separation RingRecovery Separation Ring
Forward SkirtForward Skirt
FrustumFrustum
Aeroshell
Forward Skirt Extension
Avionics Structure
Main Parachute Support Structure (MPSS)Main Parachute Support Structure (MPSS)
Approved for Public Release
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Innovation … Delivered.
IGNITING THE NEXT GENERATION OF LAUNCH VEHICLESIGNITING THE NEXT GENERATION OF LAUNCH VEHICLES
Separation and Deceleration System
AeroshellAeroshell Pilot and DroguePilot and Drogue
ParachutesParachutes
MPSS TopMPSS Top
PlatePlate
Main ParachutesMain Parachutes
Recovery Separation RingRecovery Separation Ring
Altitude Switch Altitude Switch
AssemblyAssembly
Outer Rub Outer Rub
RingRingMPSSMPSS
Approved for Public Release
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Innovation … Delivered.
IGNITING THE NEXT GENERATION OF LAUNCH VEHICLESIGNITING THE NEXT GENERATION OF LAUNCH VEHICLES
Pyrotechnic Events
1.1. First Stage Motor IgnitionFirst Stage Motor Ignition 6.6. Nozzle SeveranceNozzle Severance
2.2. First Stage/Upper Stage Separation InitiationFirst Stage/Upper Stage Separation Initiation 7.7. AeroshellAeroshell JettisonJettison
3.3. BDM InitiationBDM Initiation 8.8. Forward Skirt ReleaseForward Skirt Release
4.4. BTM InitiationBTM Initiation 9.9. Parachute PyrotechnicsParachute Pyrotechnics
5.5. Frustum ReleaseFrustum Release
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3874
695
Approved for Public Release
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Innovation … Delivered.
IGNITING THE NEXT GENERATION OF LAUNCH VEHICLESIGNITING THE NEXT GENERATION OF LAUNCH VEHICLES
Ares I-X Forward Skirt Severance Testing
High-Speed Video of Forward Skirt Severance
Approved for Public Release
Note:
Click in
black
border
to view
video
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Innovation … Delivered.
IGNITING THE NEXT GENERATION OF LAUNCH VEHICLESIGNITING THE NEXT GENERATION OF LAUNCH VEHICLES
Upcoming Milestones
Ares I-X
• Forward skirt extension separation test
• Frustum separation test
• Hardware deliveries to Kennedy Space
Center
• Ares I-X test flight
Ares I
• Casting of Demonstration Motor No. 1 (DM-
1): first live RSRMV 1st stage motor
• DM-1 static test
• Continued design
maturity progression
towards Critical
Design Review
Approved for Public Release
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Innovation … Delivered.
IGNITING THE NEXT GENERATION OF LAUNCH VEHICLESIGNITING THE NEXT GENERATION OF LAUNCH VEHICLES
Ares I First Stage Development on Target
• Design, development, and hardware manufacturing progressing to plan
• Upcoming flight tests provide risk mitigation and ensure mission success
• Ares I and Ares V will ensure America’s continued leadership in space, providing the path to exploration
Approved for Public Release