Service Module Reaction Control System: Difference between revisions
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[[Image:SM_RCS_diagram.jpg|thumb|right|The Service Module Reaction Control System<cite>AOH</cite>]] | |||
The Service Module Reaction Control System (SM RCS) is utilized to control spacecraft rates and rotation in all three axis in addition to any minor translation maneuvers including SPS ullage thrust and separation maneuvers. It consists of four individual, functionally identical packages, located 90° apart around the forward (+X axis) of the SM periphery. Each package, called a "quad", has four reaction engines mounted on the outer surface. The engines use [[w:Monomethylhydrazine|monomethylhydrazine (MMH)]] as fuel and inhibited [[w:nitrogen tetroxide|nitrogen tetroxide]] [[w:oxidizer|oxidizer]], each engine has a nominal thrust of xx lbf (xx.x kN). | |||
[[Category:Reaction Control System (CSM)]] | [[Category:Reaction Control System (CSM)]] | ||
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Revision as of 23:21, 7 June 2008
The Service Module Reaction Control System (SM RCS) is utilized to control spacecraft rates and rotation in all three axis in addition to any minor translation maneuvers including SPS ullage thrust and separation maneuvers. It consists of four individual, functionally identical packages, located 90° apart around the forward (+X axis) of the SM periphery. Each package, called a "quad", has four reaction engines mounted on the outer surface. The engines use monomethylhydrazine (MMH) as fuel and inhibited nitrogen tetroxide oxidizer, each engine has a nominal thrust of xx lbf (xx.x kN).
