I built this giant vortex air cannon to “bring the boom” to Maker Faire Atlanta in 2015.
My first design used a 32 gallon round plastic trash can. I followed one of the many tutorials on YouTube to figure out how to do this. It worked great but it just wasn’t big enough (the “boom” was lacking) so I went back to YouTube looking for giant vortex air cannons and I found the Candle Cannon.
The Candle Cannon is amazing but it’s expensive to build and requires a trailer to transport and a team to assemble. I wanted a giant vortex air cannon that was easy to transport (one that would fit inside my car), easy to setup and breakdown, and inexpensive to build.
Fabric walls would be critical to the success of my design. However, I searched high and low and couldn’t find documented examples of vortex air cannons (small or large) with fabric walls. Did the community of vortex air cannon makers know something I didn’t?
Knowing my finished product might not work, I moved forward with the build. In the end, I was rewarded with success: my air cannon shoots beautiful giant smoke rings long distances and I can easily store and transport the device.
Get Vortical!

A toroid is the donut shape that forms when a smoke ring moves through the air. First a puff of air travels forward, and then low pressure aft forms a toroid vortex. Illustration by Damien Scogin
To launch giant vortices of air, pull back on the membrane handle and release it. Boom!
It helps to have a friend stabilize the cannon as you pull. Use a Halloween fog (smoke) machine to fill the inside of the cannon with fog and you’ll be able to see huge smoke rings flying through the air.
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Awesome! Where do the cords attach to the membrane on the inside? All to the center opposite the pull handle?
The bungee cords attach to the center of the membrane. See step 19. The center of the membrane has a white “pull handle” made from nylon webbing. On the opposite side of the pull handle is a similar “loop” where all 4 of the bungee cords attach.
You made a great point about how to shoot the air cannon by using a membrane. My husband and I are looking for an air cannon to use in his industrial plant. We will keep these tips in mind as we search for a professional that can help us best.