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Space Shuttle: Difference between revisions
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→Orbital DAP configuration
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As of November 2015, the Shuttle's orbital DAPs are configurable using the SPEC 20 utility. This allows to set characteristics such as the roll rates achieved for a given controller movement, deadbands for attitude and rate holding as well as to switch the nose / aft RCS pods selectively off to conserve propellant. | As of November 2015, the Shuttle's orbital DAPs are configurable using the SPEC 20 utility. This allows to set characteristics such as the roll rates achieved for a given controller movement, deadbands for attitude and rate holding as well as to switch the nose / aft RCS pods selectively off to conserve propellant. | ||
[[File: | [[File:Dap_config_spec_20.jpg|600px|thumb|none|DAP utility display of the Space Shuttle]] | ||
Note that the DAP characteristics configuration allows to specify unstable or ineffective use of the RCS, thus changes should be entered with care. | Note that the DAP characteristics configuration allows to specify unstable or ineffective use of the RCS, thus changes should be entered with care. | ||