Hubble Space Telescope
(HST) Archive System
NASA Langley Research Center
Hampton, Virginia
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Responsible Parties:
Page Content: William H. Kinard Page Construction: Thomas H. See |
Returned Hardware
Orbital Replacement Unit Carrier
The Orbital Replacement Unit Carrier (ORUC) is a modified Spacelab Pallet which provides stowage and environmental protection for the HST orbital replacement units (ORUs) and instruments. It is a change out platform from which the EVA crew can transfer items to and from HST. The ORUC mechanical interface to the Orbiter is through one keel trunnion and four sill trunnions. The ORUC can house several ORUs.
On the first servicing mission, the WFPC-II and the COSTAR were carried in the center section in their protective enclosures. The RSUs, ECUs, and GHRS Repair Kit were mounted in a small ORU Protective Enclosure (SOPE) on the equipment shelf. The DF-224 and coprocessor were mounted in a large ORU Protective Enclosure (LOPE) on the shelf. Electrical, command and telemetry connections to the ORUC are routed via the FSS.
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