Could the SSMEs of the SLS do retro burns?Why didn’t the space shuttle’s engine-out checklists include...

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Could the SSMEs of the SLS do retro burns?


Why didn’t the space shuttle’s engine-out checklists include steps for attempting a relight?How do they simulate the SLS engine environment?Space Launch System (SLS) costsWhy can the Falcon 9 be reused while the SLS cannot?How does SpaceX plan to achieve reusability of the Falcon 9 *second* stage?Can the SLS reuse its solid rocket boosters?Could the solid boosters of SLS be replaced by reusable Falcon 9 first stages?What are the differences between SLS and Ares V?Can SLS use subcooled LOX?Why will SLS Block I bring less mass to LEO than the STS shuttle system did?Could the SLS reach orbit without solid rocket boosters?






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The SLS will use the main engines of the space shuttle. Are these capable of retro-burns in the upper atmosphere like SpaceX’s Merlin engines?



More broadly, could the SLS’ main engines and supporting thrusters perform a vertical landing if programmed with proper software?










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    2












    $begingroup$


    The SLS will use the main engines of the space shuttle. Are these capable of retro-burns in the upper atmosphere like SpaceX’s Merlin engines?



    More broadly, could the SLS’ main engines and supporting thrusters perform a vertical landing if programmed with proper software?










    share|improve this question









    $endgroup$















      2












      2








      2





      $begingroup$


      The SLS will use the main engines of the space shuttle. Are these capable of retro-burns in the upper atmosphere like SpaceX’s Merlin engines?



      More broadly, could the SLS’ main engines and supporting thrusters perform a vertical landing if programmed with proper software?










      share|improve this question









      $endgroup$




      The SLS will use the main engines of the space shuttle. Are these capable of retro-burns in the upper atmosphere like SpaceX’s Merlin engines?



      More broadly, could the SLS’ main engines and supporting thrusters perform a vertical landing if programmed with proper software?







      reuse sls vertical-landing






      share|improve this question













      share|improve this question











      share|improve this question




      share|improve this question










      asked 8 hours ago









      techSultantechSultan

      1501 silver badge5 bronze badges




      1501 silver badge5 bronze badges






















          1 Answer
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          $begingroup$

          They cannot, because SSMEs cannot be restarted in flight. See this answer for the details as to why.






          share|improve this answer









          $endgroup$









          • 1




            $begingroup$
            Wow. That’s a bummer. This thing really is the Senate Launch System.
            $endgroup$
            – techSultan
            2 hours ago










          • $begingroup$
            IMHO it's criminal to dump those SSMEs into the ocean.
            $endgroup$
            – Organic Marble
            2 hours ago














          Your Answer








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          active

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          $begingroup$

          They cannot, because SSMEs cannot be restarted in flight. See this answer for the details as to why.






          share|improve this answer









          $endgroup$









          • 1




            $begingroup$
            Wow. That’s a bummer. This thing really is the Senate Launch System.
            $endgroup$
            – techSultan
            2 hours ago










          • $begingroup$
            IMHO it's criminal to dump those SSMEs into the ocean.
            $endgroup$
            – Organic Marble
            2 hours ago
















          4












          $begingroup$

          They cannot, because SSMEs cannot be restarted in flight. See this answer for the details as to why.






          share|improve this answer









          $endgroup$









          • 1




            $begingroup$
            Wow. That’s a bummer. This thing really is the Senate Launch System.
            $endgroup$
            – techSultan
            2 hours ago










          • $begingroup$
            IMHO it's criminal to dump those SSMEs into the ocean.
            $endgroup$
            – Organic Marble
            2 hours ago














          4












          4








          4





          $begingroup$

          They cannot, because SSMEs cannot be restarted in flight. See this answer for the details as to why.






          share|improve this answer









          $endgroup$



          They cannot, because SSMEs cannot be restarted in flight. See this answer for the details as to why.







          share|improve this answer












          share|improve this answer



          share|improve this answer










          answered 8 hours ago









          Organic MarbleOrganic Marble

          71k4 gold badges204 silver badges305 bronze badges




          71k4 gold badges204 silver badges305 bronze badges








          • 1




            $begingroup$
            Wow. That’s a bummer. This thing really is the Senate Launch System.
            $endgroup$
            – techSultan
            2 hours ago










          • $begingroup$
            IMHO it's criminal to dump those SSMEs into the ocean.
            $endgroup$
            – Organic Marble
            2 hours ago














          • 1




            $begingroup$
            Wow. That’s a bummer. This thing really is the Senate Launch System.
            $endgroup$
            – techSultan
            2 hours ago










          • $begingroup$
            IMHO it's criminal to dump those SSMEs into the ocean.
            $endgroup$
            – Organic Marble
            2 hours ago








          1




          1




          $begingroup$
          Wow. That’s a bummer. This thing really is the Senate Launch System.
          $endgroup$
          – techSultan
          2 hours ago




          $begingroup$
          Wow. That’s a bummer. This thing really is the Senate Launch System.
          $endgroup$
          – techSultan
          2 hours ago












          $begingroup$
          IMHO it's criminal to dump those SSMEs into the ocean.
          $endgroup$
          – Organic Marble
          2 hours ago




          $begingroup$
          IMHO it's criminal to dump those SSMEs into the ocean.
          $endgroup$
          – Organic Marble
          2 hours ago


















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