Simple No Pump Water Rocket




this is a fairly simple water rocket using only the pressure from your tap ,suprisingly there is alot of force from the tap and this rocket will put it to use in a simple way ,at a low cost  . it can reach heights of 10m-20m    30ft-60ft


Step 1: Materials

you will need:
pvc cement
a male director that screws into a gardina nozzle width 25mm( 1 inch).
about 4cm (2inches) of 15mm pipe (0.6 inches)
a male director that screws into a gardina nozzle width 25mm(1 inch)
Gardina nozzle
cable ties

tools :

Step 2:

screw the male director into the gardina nozzle

Step 3:

just push the pipe onto the male director (it should be tight)

Step 4:

get your threaded pipe and screw it into the  plug that fits into the bottle , length dosent matter that much
2 examples shown

Step 5:

now brush on the cement on the inside of the threaded pipe and the out side of the 15mm pipe

Step 6: Your Done

now just let the cement dry, mount it onto a post , fit a bottle and hit the water

Step 7: For Extra Height

the pressure can be improved by covering half of the plug that fits in to the bottle with electrical tape or another thin tape that stretches



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    3 Discussions

    My outdoor tap supplies about 100-105psi so I use that to fill a old air compressor tank to that pressure and then use it as a water gun! :)

    1 reply

    7 years ago on Introduction

    sounds bloody awesome, would not want a 100 psi pipe blowing underneath my house though .