How to Make a Powerful Air Pressure Rocket

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Are you wondering how to make a beautiful rocket that can easily surpass a baking soda-vinegar rocket? It's really fun to make. Why don't you try to make it yourself? Make a great rocket with these great tips and tricks

Steps

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  1. This is necessary to hold the rocket at launch time. Make your best design.
  2. Remember, the bottle must be upside down and the flippers must not be taped at the bottle's base. [1]
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  3. [2] Fix the pump tube to it with plasticine.
  4. [3]
  5. (flippers do come in handy!)
  6. [4]
  7. Since action has an equal and opposite reaction, the bottle shoots up. [5]
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Community Q&A

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  • Question
    Why do I need to fill it with water? Can't I just use air?
    Community Answer
    Water is heavier than air. This makes water a denser and heavier exhaust, thus allowing the rocket to go higher.
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    Not Helpful 36 Helpful 136
  • Question
    How come I have to pump so fast?
    Community Answer
    The gap isn't 100% airtight, so air is leaking out of it. So you need to pump it quickly so that the pressure can build up.
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    Not Helpful 23 Helpful 103
  • Question
    Why do you need a cork?
    Community Answer
    To hold the water in bottle as well as to be able to inject the bike pump to get air into the bottle, creating pressure for the launch.
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    Not Helpful 28 Helpful 77
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      Warnings

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      Things You'll Need

      • Two Liter bottle
      • Cardboard
      • Hand pump (bicycle)
      • Cork or Rubber stopper
      • Tape
      • Water

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      References

      1. ↑ https://www.youtube.com/watch?v=p5mC0J5Yu-k
      2. ↑ https://www.science-sparks.com/making-a-bottle-rocket/
      3. ↑ https://www.science-sparks.com/making-a-bottle-rocket/
      4. ↑ https://www.kiwico.com/diy/stem/motion-mechanics/pressure-bottle-rocket
      5. ↑ https://www.kiwico.com/diy/stem/motion-mechanics/pressure-bottle-rocket
      6. ↑ https://www.grc.nasa.gov/WWW/K-12/rocket/BottleRocket/safety.htm

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