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Space Shuttle power extension packageA modification kit for the Space Transportation System (STS) Orbiter is proposed to provide more power and mission duration for payloads. The power extension package (PEP), a flexible-substrate solar array deployed on the Space Shuttle Orbiter remote manipulator system, can provide as much as 29 kW total power for durations of 10 to 48 days. The kit is installed only for those flights which require enhanced power or duration. The PEP is made possible by development of the flexible-substrate array technology and, in itself, contributes to the technology base for the use of large area solar cells. Modifications to the Orbiter thermal control and life support systems to improve heat balance and to reduce consumables are proposed. The changes consist of repositioning the Orbiter forward radiators and replacing the lithium hydroxide scrubber with a regenerable solid amine.
Document ID
19800057725
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Loftus, J. P., Jr.
(NASA Lyndon B. Johnson Space Center Houston, TX, United States)
Craig, J. W.
(NASA Johnson Space Center Houston, Tex., United States)
Date Acquired
August 10, 2013
Publication Date
March 1, 1980
Subject Category
Spacecraft Propulsion And Power
Report/Patent Number
AAS PAPER 80-080
Accession Number
80A41895
Distribution Limits
Public
Copyright
Other

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