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Status of Advanced Stitched Unitized Composite Aircraft StructuresNASA has created the Environmentally Responsible Aviation (ERA) Project to explore and document the feasibility, benefits and technical risk of advanced vehicle configurations and enabling technologies that will reduce the impact of aviation on the environment. A critical aspect of this pursuit is the development of a lighter, more robust airframe that will enable the introduction of unconventional aircraft configurations that have higher lift-to-drag ratios, reduced drag, and lower community noise levels. The primary structural concept being developed under the ERA project in the Airframe Technology element is the Pultruded Rod Stitched Efficient Unitized Structure (PRSEUS) concept. This paper describes how researchers at NASA and The Boeing Company are working together to develop fundamental PRSEUS technologies that could someday be implemented on a transport size aircraft with high aspect ratio wings or unconventional shapes such as a hybrid wing body airplane design.
Document ID
Document Type
Conference Paper
Jegley, Dawn C. (NASA Langley Research Center Hampton, VA, United States)
Velicki, Alex (Boeing Research and Technology Seal Beach, CA, United States)
Date Acquired
August 27, 2013
Publication Date
January 7, 2013
Subject Category
Aircraft Design, Testing and Performance
Report/Patent Number
AIAA Paper 2013-0410
Meeting Information
51st AIAA Aerospace Sciences Meeting(Grapevine, TX)
Funding Number(s)
WBS: WBS 699959.
Distribution Limits
Public Use Permitted.

Available Downloads

NameType 20130002630.pdf STI