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Plastic bottle rocket is a very fun and easy toy to make. You can build and launch rockets made of simple plastic bottles using recycled materials found around the house.
Steps
Make a rocket out of a plastic bottle and launcher
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Roll a sheet of paper into a cone. This will be the arrow of the rocket. You can decorate the rocket with colored or patterned paper if you like. [1] X Research Source
- Colored construction paper is both durable and beautiful!
Wrap the tape around the tip. The adhesive tape will make the fire arrow stronger and has a waterproof effect.
- If you want to add a little color to the rocket, you can use colored tape to wrap it around the tip.
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Attach the tip to the bottom of the bottle. You can stick it with glue or tape.
- Try to align it properly and attach it firmly to the bottle. [2] X Research Source
Use a thin piece of cardboard cut into 3-4 triangles. These triangles will be the rocket’s wings, so you should try to cut them into exact right angles so they can keep the rocket upright.
- Use cardboard, construction paper or regular paper to make the wings. Notice boards such as “for rent” or “for sale” signs are also very good rocket wing materials. You can use lightweight waterproof materials to make very good rocket wings.
- Attach the wings to the lower part of the rocket.
- Bend the sides of the triangle to make it easier to attach to the rocket body, then glue or tape on it.
- The rocket can stand on its own if you attach the bottom edge of the wing in line with the bottom of the rocket’s fuselage.
Add heavy objects to increase the weight of the rocket. The weight can be any material to increase the weight of the rocket and ensure that the rocket can move when launched.
- Use Play Doh or clay to make the weight, as the material is soft, malleable, and won’t splinter like gravel or rock when launching a rocket. [3] X Research Sources
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- Stick the tape on the outside to keep it in place.
Pour water into the bottle. Pour 1 liter of water into the bottle. It is recommended that people fill 1/3 of the bottle with water before the rocket can fly far [4] X Research source
Poke a very small hole through a cork. This hole should be the same size as the valve head of the bicycle pump.
Insert the mountain of bottles into the mouth of the bottle. You can also use pliers to make it tighter.
Insert the bicycle pump needle valve into the opening in the cork. Make sure the valve is securely attached to the stopper.
Place the rocket vertically. Hold the rocket at the neck of the bottle and point it away from the face.
Rocket launch. Remember that you have to be out in the open in the open air. The rocket will go pretty fast and high, so you need to remove all obstacles and warn everyone around before launching the rocket. The way to do this is as follows: [5] X Research Source
- Hold the rocket at the neck of the bottle and pump air into the bottle. The rocket will launch when the cork can no longer withstand the air pressure in the bottle. [6] X Research Sources
- Release your hand for the rocket to launch. Water will splatter when the rocket is launched, so be prepared to get wet.
- Do not approach the rocket once you have started pumping, even if it feels like nothing is happening, as this could result in injury. [7] X Research Sources
Make a rocket with two plastic bottles and a launcher
Cut off the neck of either bottle. Use scissors or a knife to cut. You need to make a neat cut so that you can then glue the two bottles together neatly. [8] X Research Sources
- Cutting off the neck of the bottle is to give the rocket a more aerodynamic shape and more durable. The round tip will also be softer and reduce damage if the rocket hits something when it hits the ground.
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Keep the remaining bottle intact. The intact bottle acts as a combustion chamber with water and compressed air inside. This bottle will be attached to the launcher (ie the other bottle).
Decorate with colored paint or add designs on two water bottles. Feel free to personalize your rocket with any logos and patterns. Be creative!
Attach the weight to the bottle with the neck cut off. You can use Play Doh as you would a rocket out of a plastic bottle, or use cat litter. Cat litter is cheap, heavy, and when wet it holds up very well. [9] X Research Source
- If you’re using cat litter, pour about 1 inch (1.3 cm) of sand into the cut bottle, then add enough water to completely wet the sand in the bottle. Add about 0.5 cm of sand and wet again.
- Avoid pouring too much cat litter into the bottle, as this will form a dry, loose layer of sand that will splatter when the rocket is launched. If the bottle contains too much sand, which means it is heavy, the rocket may crash hard when it hits the ground.
- Dry the inside of the bottle and use tape to hold the cat litter in place.
Glue the two bottles together. Place the cut bottle underneath the unopened bottle. Press the two bottles together to keep the bottle intact inside the cut bottle and use tape to secure the two bottles together. [10] X Research Source
Using a plastic sheet cut into 3-4 triangles. These triangles will be rocket wings, so you should try to cut a right angle exactly so they can keep the rocket upright and moving smoothly.
- Attach the wing to the bottom of the bottle with the top cut off.
- Bend the sides of the triangle to make it easier to attach to the rocket body, then glue or tape on it.
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Poke a very small hole through a cork. This hole should be the same size as the valve head of the bicycle pump.
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Insert the cork into the mouth of the intact bottle. You can also use pliers to push in even tighter.
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Insert the bicycle pump needle valve into the opening in the cork. Make sure the valve is securely attached to the stopper.
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Place the rocket vertically. Hold the rocket at the neck of the bottle and press the end of the bicycle pump valve into the cork.
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Rocket launch. Remember that you have to be out in the open in the open air. The rocket will go pretty fast and high, so you need to remove all obstacles and warn everyone around before launching the rocket. Here’s how to do it: [11] X Research Source
- Pump air into the bottle. The rocket will launch when the cork can no longer withstand the air pressure in the bottle. [12] X Research Source Usually this pressure reaches 80 psi. [13] X Research Source
- Release your hand for the rocket to launch. Water will splatter when the rocket is launched, so be prepared to get wet.
- Be careful once you have started pumping and do not approach the rocket, even if it feels like nothing is happening, as this could lead to injury. [14] X Research Source
Warning
- Be careful when using sharp objects to cut plastic or cardboard bottles, especially if you are under 10 years old.
- Viewers (or observers) must stand at least 5 meters away.
Things you need
Method 1 :
- Rocket material:
- 1 sheet of paper 20×28 cm
- 1 plastic bottle (2 liter bottles will work best for regular-sized rockets, but if you want to make small rockets, you can use regular-sized water bottles)
- Rocket Wing Materials (Thick cardboard or thin cardboard are best)
- Adhesive tape (for decorating and gluing rocket parts)
- Drag
- Play Doh . Clay
- Glue (optional)
- Materials for the launcher:
- Water
- Bicycle pump with needle valve
- Stopper
- Drill
- Bicycle pump needle-valve drill bit
Method 2 :
- Rocket material:
- Two plastic bottles (two 2-liter bottles or two regular-sized water bottles)
- Materials for making rocket wings
- Drag
- Tape
- Play Doh or cat litter
- Materials for the launcher:
- Water
- Bicycle pump with needle valve head
- Stopper
- Drill
- Bicycle pump needle-valve drill bit
X
This article is co-authored by a team of editors and trained researchers who confirm the accuracy and completeness of the article.
The wikiHow Content Management team carefully monitors the work of editors to ensure that every article is up to a high standard of quality.
This article has been viewed 50,051 times.
Plastic bottle rocket is a very fun and easy toy to make. You can build and launch rockets made of simple plastic bottles using recycled materials found around the house.
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