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Fastrac Nozzle Design, Performance and DevelopmentWith the goal of lowering the cost of payload to orbit, NASA/MSFC (Marshall Space Flight Center) researched ways to decrease the complexity and cost of an engine system and its components for a small two-stage booster vehicle. The composite nozzle for this Fastrac Engine was designed, built and tested by MSFC with fabrication support and engineering from Thiokol-SEHO (Science and Engineering Huntsville Operation). The Fastrac nozzle uses materials, fabrication processes and design features that are inexpensive, simple and easily manufactured. As the low cost nozzle (and injector) design matured through the subscale tests and into full scale hot fire testing, X-34 chose the Fastrac engine for the propulsion plant for the X-34. Modifications were made to nozzle design in order to meet the new flight requirements. The nozzle design has evolved through subscale testing and manufacturing demonstrations to full CFD (Computational Fluid Dynamics), thermal, thermomechanical and dynamic analysis and the required component and engine system tests to validate the design. The Fastrac nozzle is now in final development hot fire testing and has successfully accumulated 66 hot fire tests and 1804 seconds on 18 different nozzles.
Document ID
20000064686
Acquisition Source
Marshall Space Flight Center
Document Type
Preprint (Draft being sent to journal)
Authors
Peters, Warren (NASA Marshall Space Flight Center Huntsville, AL United States)
Rogers, Pat (NASA Marshall Space Flight Center Huntsville, AL United States)
Lawrence, Tim (NASA Marshall Space Flight Center Huntsville, AL United States)
Davis, Darrell (NASA Marshall Space Flight Center Huntsville, AL United States)
DAgostino, Mark (NASA Marshall Space Flight Center Huntsville, AL United States)
Brown, Andy (NASA Marshall Space Flight Center Huntsville, AL United States)
Date Acquired
September 7, 2013
Publication Date
January 1, 2000
Subject Category
Spacecraft Propulsion And Power
Report/Patent Number
AIAA Paper 2000-3397
Meeting Information
Meeting: Joint Propulsion
Location: Huntsville, AL
Country: United States
Start Date: July 17, 2000
End Date: July 19, 2000
Sponsors: American Inst. of Aeronautics and Astronautics
Distribution Limits
Public
Copyright
Public Use Permitted.

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