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S0 truss S0 truss steel mount structure connecting to the US lab. The S0 truss, (also called the Center Integrated Truss Assembly Starboard 0 Truss) forms the central backbone of the Space Station. It was attached on the top of the Destiny Laboratory Module during STS-110 in April 2002. S0 is used to route power to the pressurized station ...
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).
The EATCS is capable of rejecting up to 70 kW, and provides a substantial upgrade in heat rejection capacity from the 14 kW capability of the Early External Active Thermal Control System (EEATCS) via the Early Ammonia Servicer (EAS), which was launched on STS-105 and installed onto the P6 Truss. [1]
STS-110 also delivered the Mobile Transporter (MT), which is an 885 kilograms (1,951 lb) (1,950 lb) assembly that glides down rails on the station integrated trusses. The MT was designed and manufactured by Astro Aerospace in Carpinteria, CA.
The four Main Bus Switching Units (MBSUs, located in the S0 truss), control the routing of power from the four solar array wings to the rest of the ISS. Each MBSU has two power channels that feed 160V DC from the arrays to two DC-to-DC power converters (DDCUs) that supply the 124V power used in the station.
The ISS, when completed, will consist of a set of communicating pressurized modules connected to a truss, on which four large pairs of photovoltaic modules (solar panels) are attached. The pressurized modules and the truss are perpendicular: the truss spanning from starboard to port and the habitable zone extending on the aft-forward axis
Same as P3/P4 trusses: May 12, 2005 15,900 Same as P3/P4 trusses: S5 Truss and ESP-3 NASA. Airbus; Boeing; Operations and Checkout Building. Goddard Space Flight Center; Steel (some anodized) 2007 13.795 Same as P5 and ESP-1 and 2: Harmony (Node 2) Relocation of P6 Truss: European Space Agency, Italian Space Agency. Thales Alenia Space
The S0 truss was delivered to the ISS on STS-110, [21] with the S1 segment following on STS-112. [22] The P1 segment of the truss was brought to the ISS by STS-113, [23] followed by the P3/P4 segment on STS-115, [24] and the P5 segment on STS-116. [25] The S3/S4 truss segment was delivered by STS-117, [26] followed by the S5 segment STS-118. [27]