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Development and integration of the capillary pumped loop GAS and Hitchhiker flight experimentsThe Capillary Pumped Loop (CPL) is a thermal control system with high density heat acquisition and transport capability. A small spaceflight version of the CPL was built and flown as a GAS experiment on STS 51-D in April 1985 and STS 51-G in June 1985, and as a Hitchhiker-G experiment on STS 61-C in January 1986. The purpose of the experiments was to demonstrate the capability of a capillary pumped system under microgravity conditions for use in the thermal control of large scientific instruments, advanced orbiting spacecraft, and space station components. The development, integration, and test activities of the CPL are described.
Document ID
Document Type
Technical Memorandum (TM)
Butler, D.
(NASA Goddard Space Flight Center Greenbelt, MD, United States)
Mcintosh, R.
(NASA Goddard Space Flight Center Greenbelt, MD, United States)
Date Acquired
September 6, 2013
Publication Date
April 1, 1990
Subject Category
Spacecraft Design, Testing And Performance
Report/Patent Number
NAS 1.15:100756
Distribution Limits
Work of the US Gov. Public Use Permitted.

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