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you get a two liter then you live one untouched the other you cut the tip off then make a parachute then contact it
with compressed water
There are two forces acting on a water rocket. The thrust which the force that is given to the water rocket to make it move, and the other one is the gravity.
make a big parachute
You can make a stand, this will stable the rocket and allow it to stand up-right.
If the parachute had holes, it wouldn't make any difference, you would still jump pretty high in the water
If it's an average sized rocket, you can make a parachute from a plastic grocery bag. Place a dinner plate upside down and cut or trace a line around it. Cut this circle and attach 4 or 6 x 24 inch pieces of thread to it with scotch tape. Now just tie the loose ends in a knot and attach it to the elastic that goes from rocket body to nose cap. Now your rocket will float down after it's journey into the sky.
you put some water in the bottom of your rocket/bottle and get a bicycle pump keep pumping air in to the rocket sets off and make sure you watch your face they can be highly dangerous! hope this helps
to make it stand up
Unless you cook with Hydrogen and Other Highly unstable chemicals then you can only make a water rocket
The best method is to tape the parachute to the side of the bottle and stuff it inside of the nose cone. The nose cone should have string connecting it to the rocket, yet, the nose cone is not actually taped to the bottle. It should balance on: a) Tabs (Cardboard) b) Just have it firmly on top of the top of the bottle This way, the rocket will soar straight up (hopefully), the nose cone will detach (but stay connected), the parachute will fill up with air and expand, and your successful rocket will sink to the ground at about 2-6 mph.
Make the parachute wider/bigger or make the parachute deeper. Make the thing pulling it down lighter. Hope this helps. =)