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Space Shuttle Avionics: Difference between revisions
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→S TRK/COAS CNTL (SPEC 22)
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All displayed fields and items except the COAS calibration are meaningful in FG, and COAS procedures can be executed for a subset of 10 stars. | All displayed fields and items except the COAS calibration are meaningful in FG, and COAS procedures can be executed for a subset of 10 stars. | ||
=== RCS (SPEC 23) === | |||
[[File:Shuttle avionics spec23.jpg|600px|RCS display of the Space Shuttle]] | |||
The RCS display page is used to monitor and manage the state of the RCS thrusters as well as (in a limited way) the propellant flow. For each individual thruster, its current state (i.e. whether it is operating normally, failed leaking, failed OFF i.e. refuses to ignite or failed ON i.e. refused a shutdown command), whether it is selected to be used and its priority in the jet table is shown. | |||
In addition, propellant pressures and temperature along the feedlines and manifolds are displayed. The upper part of the display allows to set some general options and monitor the OMS to RCS interconnect fuel usage. | |||
The display works in such a way that items 1-3 are used to select the RCS thruster pod, and all displayed information and all entered items then refer to this pod. | |||
In FG, most of the displayed information is meaningful and corresponds to the internal state of the Shuttle. In particular, de-selected jets will not be used by the DAP, and jets failed on need to be extinguished by cutting the propellant flow and de-selecting the jet from the table. | |||
=== RM ORBIT (SPEC 25) === | === RM ORBIT (SPEC 25) === | ||