What are the pros and cons of Aerospike nosecones? Announcing the arrival of Valued Associate...

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What are the pros and cons of Aerospike nosecones?



Announcing the arrival of Valued Associate #679: Cesar Manara
Planned maintenance scheduled April 17/18, 2019 at 00:00UTC (8:00pm US/Eastern)Are ICBMs and orbital launchers similar enough to be co-developed today?What kind of missions are US surplus ICBM's capable of launching?What was the death toll of the Nedelin catastrophe?What are these tiny triangular fins on the Soyuz launcher?Why not jettison the nose-cone from Falcon Heavy side boosters for better control authority?Why are the bottom of most stages flat?What are these circular structures around the rocket?What would a “Kármán plane” look like, a bird, or a plane?What causes a rocket to be destroyed during launch other than leaking fuel?Why does in-flight mission abort often ends in ballistic high-g reentry?












2












$begingroup$


Some rockets, mainly (only?) ICBMs have Aerospike nosecones



Why are they preferred in lieu of traditional nose cones?



Illustrations:



enter image description here An aerospike nosecone on a trident ICBM



Video including the spike in flight deployment of a M51 ICBM:















share|improve this question









$endgroup$

















    2












    $begingroup$


    Some rockets, mainly (only?) ICBMs have Aerospike nosecones



    Why are they preferred in lieu of traditional nose cones?



    Illustrations:



    enter image description here An aerospike nosecone on a trident ICBM



    Video including the spike in flight deployment of a M51 ICBM:















    share|improve this question









    $endgroup$















      2












      2








      2





      $begingroup$


      Some rockets, mainly (only?) ICBMs have Aerospike nosecones



      Why are they preferred in lieu of traditional nose cones?



      Illustrations:



      enter image description here An aerospike nosecone on a trident ICBM



      Video including the spike in flight deployment of a M51 ICBM:















      share|improve this question









      $endgroup$




      Some rockets, mainly (only?) ICBMs have Aerospike nosecones



      Why are they preferred in lieu of traditional nose cones?



      Illustrations:



      enter image description here An aerospike nosecone on a trident ICBM



      Video including the spike in flight deployment of a M51 ICBM:




















      aerodynamics icbm






      share|improve this question













      share|improve this question











      share|improve this question




      share|improve this question










      asked 1 hour ago









      AntziAntzi

      8,44712556




      8,44712556






















          1 Answer
          1






          active

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          3












          $begingroup$

          You'll notice it is used on submarine launched ICBMs.
          Blunt noses are very efficient for the missile to get our of water (and are shorter than long, profiled ones, which helps with submarine diameter),but aren't great in atmosphere, ence the deployable aerospike to make then efficient in both medium.






          share|improve this answer








          New contributor




          Khay is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
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            $begingroup$

            You'll notice it is used on submarine launched ICBMs.
            Blunt noses are very efficient for the missile to get our of water (and are shorter than long, profiled ones, which helps with submarine diameter),but aren't great in atmosphere, ence the deployable aerospike to make then efficient in both medium.






            share|improve this answer








            New contributor




            Khay is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
            Check out our Code of Conduct.






            $endgroup$


















              3












              $begingroup$

              You'll notice it is used on submarine launched ICBMs.
              Blunt noses are very efficient for the missile to get our of water (and are shorter than long, profiled ones, which helps with submarine diameter),but aren't great in atmosphere, ence the deployable aerospike to make then efficient in both medium.






              share|improve this answer








              New contributor




              Khay is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
              Check out our Code of Conduct.






              $endgroup$
















                3












                3








                3





                $begingroup$

                You'll notice it is used on submarine launched ICBMs.
                Blunt noses are very efficient for the missile to get our of water (and are shorter than long, profiled ones, which helps with submarine diameter),but aren't great in atmosphere, ence the deployable aerospike to make then efficient in both medium.






                share|improve this answer








                New contributor




                Khay is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
                Check out our Code of Conduct.






                $endgroup$



                You'll notice it is used on submarine launched ICBMs.
                Blunt noses are very efficient for the missile to get our of water (and are shorter than long, profiled ones, which helps with submarine diameter),but aren't great in atmosphere, ence the deployable aerospike to make then efficient in both medium.







                share|improve this answer








                New contributor




                Khay is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
                Check out our Code of Conduct.









                share|improve this answer



                share|improve this answer






                New contributor




                Khay is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
                Check out our Code of Conduct.









                answered 1 hour ago









                KhayKhay

                311




                311




                New contributor




                Khay is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
                Check out our Code of Conduct.





                New contributor





                Khay is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
                Check out our Code of Conduct.






                Khay is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
                Check out our Code of Conduct.






























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