Kasi asked:


the bottle we are using is 1 liter and it is fueled by water and air pressure (the bottle is filled with air and water) and we need 2 figure out how much water 2 put in the bottle 2 make it go the highest and b the most efficient

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Comments

One Response to “how much water do u put in a bottle rocket?”

  1. zee_prime on January 15th, 2010 3:26 am

    pem fuel cell stack

    I’ve found about half full works nicely, but you’ll need to experiment. It’s a matter of striking a balance between having enough water mass to eject as a propellant and enough empty space for the compressed air to store the energy to eject the water.

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