Break Away Valves for Launch The Next CEO of Stack OverflowWhat rocket uses the largest percentage of Fuel/Oxidizer before liftoff?Could escape velocity be achieved in the atmosphere?How much fuel would one need to launch a 1kg object from 100,000 feet?How much fuel was used for a Space Shuttle launch?What is a typical energy demand and carbon footprint of a space launch?How do they get up-close views of far away spacecraft after launch?How far away can one see a NASA rocket launch?Good source for launch videosIs the pressurization of propellant tanks necessary for structural integrity?Odor of a rocket launch?Why rockets are not tossed up before launchReaction Drive Launch Catapult

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Break Away Valves for Launch



The Next CEO of Stack OverflowWhat rocket uses the largest percentage of Fuel/Oxidizer before liftoff?Could escape velocity be achieved in the atmosphere?How much fuel would one need to launch a 1kg object from 100,000 feet?How much fuel was used for a Space Shuttle launch?What is a typical energy demand and carbon footprint of a space launch?How do they get up-close views of far away spacecraft after launch?How far away can one see a NASA rocket launch?Good source for launch videosIs the pressurization of propellant tanks necessary for structural integrity?Odor of a rocket launch?Why rockets are not tossed up before launchReaction Drive Launch Catapult










1












$begingroup$


I forgot to hang up the fuel pump and broke it off and costed around 80 dollars to replace. While there I wandered could this be adapted to a rocket in some way?



How much fuel capacity would be saved if the fuel was fed to the rocket to keep it topped off until it has fully left the launch tower? The length of the fuel line and break away valve would be the height of the launch tower.



Could it be fed through an extended tower with a fuel line that travels aside the rocket not to burden the rocket with the weight of the fuel line or cause a whip in the fuel line?



enter image description here
https://sputniknews.com/science/201812291071085215-soyuz-launch-russia-uk-satellite/










share|improve this question











$endgroup$
















    1












    $begingroup$


    I forgot to hang up the fuel pump and broke it off and costed around 80 dollars to replace. While there I wandered could this be adapted to a rocket in some way?



    How much fuel capacity would be saved if the fuel was fed to the rocket to keep it topped off until it has fully left the launch tower? The length of the fuel line and break away valve would be the height of the launch tower.



    Could it be fed through an extended tower with a fuel line that travels aside the rocket not to burden the rocket with the weight of the fuel line or cause a whip in the fuel line?



    enter image description here
    https://sputniknews.com/science/201812291071085215-soyuz-launch-russia-uk-satellite/










    share|improve this question











    $endgroup$














      1












      1








      1





      $begingroup$


      I forgot to hang up the fuel pump and broke it off and costed around 80 dollars to replace. While there I wandered could this be adapted to a rocket in some way?



      How much fuel capacity would be saved if the fuel was fed to the rocket to keep it topped off until it has fully left the launch tower? The length of the fuel line and break away valve would be the height of the launch tower.



      Could it be fed through an extended tower with a fuel line that travels aside the rocket not to burden the rocket with the weight of the fuel line or cause a whip in the fuel line?



      enter image description here
      https://sputniknews.com/science/201812291071085215-soyuz-launch-russia-uk-satellite/










      share|improve this question











      $endgroup$




      I forgot to hang up the fuel pump and broke it off and costed around 80 dollars to replace. While there I wandered could this be adapted to a rocket in some way?



      How much fuel capacity would be saved if the fuel was fed to the rocket to keep it topped off until it has fully left the launch tower? The length of the fuel line and break away valve would be the height of the launch tower.



      Could it be fed through an extended tower with a fuel line that travels aside the rocket not to burden the rocket with the weight of the fuel line or cause a whip in the fuel line?



      enter image description here
      https://sputniknews.com/science/201812291071085215-soyuz-launch-russia-uk-satellite/







      launch fuel engines design-alternative






      share|improve this question















      share|improve this question













      share|improve this question




      share|improve this question








      edited 1 hour ago







      Muze

















      asked 1 hour ago









      MuzeMuze

      1,3241264




      1,3241264




















          1 Answer
          1






          active

          oldest

          votes


















          2












          $begingroup$

          Theoretically yes. However there are concerns:



          1) Propellant load is dangerous under the best circumstances. Add in all the vibration loads of an "on" rocket and you have a doozie.



          2) Most rockets already have umbilicals that disconnect slightly after liftoff. The recent Rocketlab launch video has a good angle of this



          3) It's a bit of added weight and complexity.



          These are all surmountable, but then what would you be gaining? I'm sure someone can do a calculation (slightly related to this question) but I suspect it's a negligible amount of payload/mass gain.






          share|improve this answer









          $endgroup$












          • $begingroup$
            If you think about it it is saved weight need less fuel storage.
            $endgroup$
            – Muze
            41 mins ago










          • $begingroup$
            Could you clarify?
            $endgroup$
            – randomUsername
            39 mins ago










          • $begingroup$
            You can off set the onboard fuel needed for the mission saving weight for heavier payload.
            $endgroup$
            – Muze
            32 mins ago











          Your Answer





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          1 Answer
          1






          active

          oldest

          votes








          1 Answer
          1






          active

          oldest

          votes









          active

          oldest

          votes






          active

          oldest

          votes









          2












          $begingroup$

          Theoretically yes. However there are concerns:



          1) Propellant load is dangerous under the best circumstances. Add in all the vibration loads of an "on" rocket and you have a doozie.



          2) Most rockets already have umbilicals that disconnect slightly after liftoff. The recent Rocketlab launch video has a good angle of this



          3) It's a bit of added weight and complexity.



          These are all surmountable, but then what would you be gaining? I'm sure someone can do a calculation (slightly related to this question) but I suspect it's a negligible amount of payload/mass gain.






          share|improve this answer









          $endgroup$












          • $begingroup$
            If you think about it it is saved weight need less fuel storage.
            $endgroup$
            – Muze
            41 mins ago










          • $begingroup$
            Could you clarify?
            $endgroup$
            – randomUsername
            39 mins ago










          • $begingroup$
            You can off set the onboard fuel needed for the mission saving weight for heavier payload.
            $endgroup$
            – Muze
            32 mins ago















          2












          $begingroup$

          Theoretically yes. However there are concerns:



          1) Propellant load is dangerous under the best circumstances. Add in all the vibration loads of an "on" rocket and you have a doozie.



          2) Most rockets already have umbilicals that disconnect slightly after liftoff. The recent Rocketlab launch video has a good angle of this



          3) It's a bit of added weight and complexity.



          These are all surmountable, but then what would you be gaining? I'm sure someone can do a calculation (slightly related to this question) but I suspect it's a negligible amount of payload/mass gain.






          share|improve this answer









          $endgroup$












          • $begingroup$
            If you think about it it is saved weight need less fuel storage.
            $endgroup$
            – Muze
            41 mins ago










          • $begingroup$
            Could you clarify?
            $endgroup$
            – randomUsername
            39 mins ago










          • $begingroup$
            You can off set the onboard fuel needed for the mission saving weight for heavier payload.
            $endgroup$
            – Muze
            32 mins ago













          2












          2








          2





          $begingroup$

          Theoretically yes. However there are concerns:



          1) Propellant load is dangerous under the best circumstances. Add in all the vibration loads of an "on" rocket and you have a doozie.



          2) Most rockets already have umbilicals that disconnect slightly after liftoff. The recent Rocketlab launch video has a good angle of this



          3) It's a bit of added weight and complexity.



          These are all surmountable, but then what would you be gaining? I'm sure someone can do a calculation (slightly related to this question) but I suspect it's a negligible amount of payload/mass gain.






          share|improve this answer









          $endgroup$



          Theoretically yes. However there are concerns:



          1) Propellant load is dangerous under the best circumstances. Add in all the vibration loads of an "on" rocket and you have a doozie.



          2) Most rockets already have umbilicals that disconnect slightly after liftoff. The recent Rocketlab launch video has a good angle of this



          3) It's a bit of added weight and complexity.



          These are all surmountable, but then what would you be gaining? I'm sure someone can do a calculation (slightly related to this question) but I suspect it's a negligible amount of payload/mass gain.







          share|improve this answer












          share|improve this answer



          share|improve this answer










          answered 45 mins ago









          randomUsernamerandomUsername

          33118




          33118











          • $begingroup$
            If you think about it it is saved weight need less fuel storage.
            $endgroup$
            – Muze
            41 mins ago










          • $begingroup$
            Could you clarify?
            $endgroup$
            – randomUsername
            39 mins ago










          • $begingroup$
            You can off set the onboard fuel needed for the mission saving weight for heavier payload.
            $endgroup$
            – Muze
            32 mins ago
















          • $begingroup$
            If you think about it it is saved weight need less fuel storage.
            $endgroup$
            – Muze
            41 mins ago










          • $begingroup$
            Could you clarify?
            $endgroup$
            – randomUsername
            39 mins ago










          • $begingroup$
            You can off set the onboard fuel needed for the mission saving weight for heavier payload.
            $endgroup$
            – Muze
            32 mins ago















          $begingroup$
          If you think about it it is saved weight need less fuel storage.
          $endgroup$
          – Muze
          41 mins ago




          $begingroup$
          If you think about it it is saved weight need less fuel storage.
          $endgroup$
          – Muze
          41 mins ago












          $begingroup$
          Could you clarify?
          $endgroup$
          – randomUsername
          39 mins ago




          $begingroup$
          Could you clarify?
          $endgroup$
          – randomUsername
          39 mins ago












          $begingroup$
          You can off set the onboard fuel needed for the mission saving weight for heavier payload.
          $endgroup$
          – Muze
          32 mins ago




          $begingroup$
          You can off set the onboard fuel needed for the mission saving weight for heavier payload.
          $endgroup$
          – Muze
          32 mins ago

















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