Paper Stomp Rockets




Introduction: Paper Stomp Rockets

About: I got an old sewing machine when I was just a kid, and I've been hooked on making stuff ever since. My name is Sam and I'm a community manager here at Instructables.

I used to run a free summertime activity program for kids as part of a past job.

I've got a lot of fun little projects up my sleeves, and I'm always on the lookout for more. One of the more popular summertime activities in my repertoire was homemade stomp rockets. Stomp rockets are great because they are both creative and physical.

There are many versions of paper stomp rockets and launchers out there. They all work essentially the same way: air is forced through a PVC contraption which launches a lightweight paper rocket up into the air. This particular launcher design is a combination of a handful of ideas I've seen, along with a few of my own additions.

I have a basic rocket design that I drew up that uses a single sheet of paper, which I've included in step 6 as a PDF.

Read on, and then go have some fun. (And hey, if you like this you should try out my Paper Stomp Jets!)

Step 1: Materials

This launcher design produces no waste, and should cost around $10.

For one launcher, you will need:

  • One 10-foot length of 1/2-inch PVC
  • One 1/2" 90-degree elbow (all fittings are of the slip variety)
  • One 1/2" four-way fitting
  • Two 1/2" end caps
  • One 1" coupling
  • One 1" by 1/2" bushing
  • One 2-liter soda bottle cap
  • Lots of 2-liter soda bottles

Other supplies you will need for this project:

  • PVC cement
  • Hot glue
  • White glue
  • Cotton balls
  • Tape
  • Sheets of 8 1/2" by 11" paper
  • Lots of copies of the attached PDF rocket template

Step 2: Cut the PVC

From your 10-foot length of PVC, cut the following pieces:

  • One 40" piece
  • One 18" piece
  • One 5" piece
  • Two 12" pieces
  • Three 11" pieces

Of all the pieces to be cut, accuracy is the most crucial on the three 11-inch pieces. These will be made into forming tubes which will be used to help make the actual rockets. Construction of the forming tubes is covered in step 5.

Step 3: Buld Basic Launcher Assembly

The photos should provide enough detail on how to construct the basic launcher assembly. Use PVC cement to put it all together.

The 12-inch pieces are the side supports that make the base. The 18-inch piece is the riser from which the rockets will launch. I used my palm sander to quickly knock off the sharp edge of the launch-end of the 18-inch piece of PVC.

The 1" coupling and the 1" by 1/2" bushing go together to make the bottle end of the launcher.

Step 4: Make the Bottle-end of the Launcher

2-liter bottles make great bladders for stomp rocket launchers because they're readily available and they're pretty durable. This set-up is especially nice because it allows you to quickly replace bottles when they've been completely worn out or cracked.

Begin by drilling a hole through a 2-liter bottle cap. This is easiest to do while the cap is screwed onto an old bottle.

I prefer to use hot glue to glue the bottle cap into the opening of the 1" coupling. Hot glue is quick, fills the gap between the bottle cap and coupling nicely, and it's only semi-permanent.

When the bottle cap itself begins to wear out and the threads are stripped, you can just grab it with a pair of pliers and yank it out to replace it with a new one.

Step 5: Make Rocket Forming Tubes

The three 11-inch pieces of PVC will be used to make three separate rocket forming tubes. These will help you make perfect rockets every time. It's nice to have a few on hand so more than one person can be working on a rocket at the same time.

You want the forming tubes to be slightly bigger than the tube that the rockets get launched from. This is accomplished by gluing a sheet of 8 1/2" by 11" paper around each forming tube. I used white glue and glued each sheet directly to the tube, and then to itself after rolling it on tight.

A piece of tape (I used electrical tape) was wrapped around one end of each paper-covered tube. This is to aid in the construction of the rocket, as detailed in the next step.

Step 6: Make Some Rockets

Print out and make plenty of copies of the attached PDF rocket template.

There are basic building instructions on the rocket template. Decorate and cut out areas as directed.

Roll the rocket body section onto forming tube, with the bottom of rocket (where the fin placement lines are located) just above the tape at the end of the forming tube. This creates an open space at the top of the tube, where the cotton balls will go.

Tape the body tube together, but NOT to the forming tube. Fold the fins and tape them in place on the fin placement lines. Place two cotton balls into the open area at the top of the paper tube, and cover with a couple of pieces of tape. Remove rocket from forming tube.

Step 7: Launch!

Before you launch your rockets, be sure to explain some safety rules to everyone involved so nobody gets shot in the eye.

After each launch, you will have to refill the bottle with air. I tell the kids to hold the top of the launch tube with their hand and blow through their hand to fill up the bottle. This way germ-passing is somewhat minimized.

I have made a total of six launchers, a couple of which were made with 45-degree-angled risers. These have been especially fun.

Be sure to post a comment and some photos if you make some stomp rockets of your own!

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77 Discussions

I made this with a group of students and we have found that we have NOT been able to find a 2 liter soda cap that will fit into the 1 by 1/2" bushing. Am I missing something here? Have cap sizes changed?

1 more answer

Oh, I'm sorry! I don't know if they have changed, but what I would do is take whatever soda bottle caps you have and find whatever pvc fittings are the closest match and go that route.

That's the nice thing about pvc; you can adapt sizes up or down fairly easily. I hope you're able to figure it out! Sorry I can't be more helpful - the 2 liter bottles I've seen lately appear to the same basic style that I used for this project.


1 year ago

I've made something like this a couple of years at a professional development, and wanted to do this with my students this coming year. So glad I came across your instructions, love the bottle cap idea.

It's perfect. I'm doing a science project in class and this is just what I'm looking for. Thank you :).

I like this keep it up

wink wink!!!!!!!!!!!!!!!!!!!!!!!!!

I modified the bottle attachment end. I used what I had on hand already, plus a couple pieces that I got from Lowe's. The Transition Adapter fits snugly inside the neck of the 2-Liter bottle and you don't have to worry about any hot glue or bottle caps. (I did have to cement the Couplings so they wouldn't come apart.)

2.... 3/4" X 1/2" PVC Bushings
1.... 3/4" PVC Coupling
1... 1/2" CPVC Transition Adapter w/ male threads
1... 1/2" CPVC Transition Adapter w/ female threads

(I think I could've just used a 1/2" PVC Coupling in place of the first two items, though. I'll try that on my second one and see how it goes.)

3 replies

I made another one today using just a 1/2" PVC Coupling in place of the two bushings and the 3/4" Coupling. It worked just as good as the previous one! :-)

If I am following correctly, you would not need to use any connectors. Just use the main 1/2" pvc pipe into the pop bottle should be a fairly tight fit. Just add some duct or electrical tape at connection point for a good seal. Great project!!

This was a very easy project to do. My kids had a friend over not to long ago, but couldn't decide on a game to play. So in true Phineas and Ferb fashion, I said, "I know what we are gonna do today!"... went to the store and got the supplies for a pair of launchers... and spent the late afternoon shooting off rockets.

I liked it so much, I made some lessons out of this for my students!

Plus we made one small addition to the rockets to make them last longer: we taped down the paper on the inside of the tube so that it wouldn't crumple when we slide it onto the launchers. The rockets we did this to last three times as long as the ones without tape.

Thanks for sharing this idea with us!

1 reply

Nice! I'm glad you had success with this little project. It's a fun one. Thanks for taking the time to leave a comment.

i have a question, i make my rocket with paper but i do't know if it's gonna work, can someone tell me, where i put the cotton balls inside the PVC or what?

1 reply

The pvc used as a form to roll the paper into the proper size tube, and then the paper tube is removed from the pvc. (The rocket itself is not made of pvc.) Steps 5 and 6 cover this in more detail. Hope that helps!

i have a question, Can i make my rocket with paper??

I'd say about 40 to 60 feet, realistically. We made conical nose cones for some of them, and those seemed to go a little higher.

thats cool it might it might do a little damage if not centered properly

I had some pvc pipes in the garage but was missing the 1" fitting... I was about to head out to the local hardware store when i tripped on my bike. which tripped this idea...
I used an inner tube to connect the bottle to the pipe.
The inner tube for a racing bike can fit perfectly around a 1/2" pipe.
I used a small piece of pipe duct tape made the connection even better.

see the picture. no bottle the last bottle i was using was destroyed after a ton of launches...

1 reply

Nice! Use what you have, I say. Thanks for the idea and the photo, I'm sure someone will use it.