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Orbital replacement units are parts of the main systems and subsystems of the external elements of the ISS. Affecting the control of the cooling system, the movement and control of the solar arrays and SARJ as well as the flow of power throughout the station from solar arrays to the heat rejection system as part of the External Active Thermal Control System (EATCS).
An orbital replacement unit or orbital replaceable unit is a modular component of spacecraft that can be replaced upon failure either by robot or by extravehicular activity. The Hubble Space Telescope (HST) was designed with 70 such parts, [ 1 ] including scientific instruments and limited-life items such as batteries.
The failed unit had been temporarily stored on an ORU site on the MBS, then moved to ESP-2 by the STS-133 crew, [12] then returned to earth by the STS-135 crew July 13, 2011. A failed Control Moment Gyroscope was installed on FRAM-5 from August 13, 2007 during STS-118 [ 13 ] until February 13, 2008 when it was returned by STS-122 .
Print/export Download as PDF; Printable version; In other projects ... Orbital module; Orbital replacement unit; Orbital replacement unit (HST) Orbiter Boom Sensor ...
The first is the Payload/Orbital Replacement Unit Accommodations (POA). This is a device that looks and functions much like the Latching End Effectors of Canadarm2. It can be used to park, power and command any payload with a grapple fixture, while keeping Canadarm2 free to do something else.
Orbital replacement unit, used on the International Space Station; Orbital replacement unit (HST), used on the Hubble Space Telescope; Oral Roberts University, a university in south Tulsa, Oklahoma; Orange & Rockland Utilities, a subsidiary of Consolidated Edison in New York; Otago Rugby Union; Oru, polite Japanese verb- see keigo
Rashford also invented a protective enclosure for use transporting orbital replacement units (orus). [3] Rashford designed and developed unique spacecraft support systems for the Upper Atmosphere Research Satellite (UARS) Airborne Support Equipment (UASE) at the Orbital Sciences Corporation (OSC).
Inspected and secured U.S.-built cargo crane known as the Orbital Replacement Unit Transfer Device, completed assembly of a Russian cargo crane called Strela, and replaced one of Unity's two early communication antennas. [12] [13] 6. STS-106 † Edward T. Lu Yuri Ivanovich Malenchenko: 11 September 2000 04:47 11 September 2000 11:01 6 hours, 14 ...