Craft & Design Science
HOW TO – Build a tornado machine

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Bucky writes – “This site has extremely detailed instructions for building your very own tornado machine. I just finished building mine, and can attest that the machine indeed works”HOW TO & photo – Link

24 thoughts on “HOW TO – Build a tornado machine

  1. I built a VERY similar device as a science fair project in 8th grade. As I was playing around with it, I discovered a very cool way to display the swirling action. I used alcohol in the bottom plate and lit it! I had a swirling vortex of flame that rose up the chimney. I only had to watch to not melt a muffin fan that was atop my 2 ft, 6″ PVC chimney. It was awesome!!!!!!

  2. I built a VERY similar device as a science fair project in 8th grade. As I was playing around with it, I discovered a very cool way to display the swirling action. I used alcohol in the bottom plate and lit it! I had a swirling vortex of flame that rose up the chimney. I only had to watch to not melt a muffin fan that was atop my 2 ft, 6″ PVC chimney. It was awesome!!!!!!

  3. I think you could use an ultrasonic module pulled from a cool-mist humidifier to save some money. I’ve purchased a few humidifiers with these modules from thrift stores for $2-$5. Make sure the humidifier doesn’t heat the water, and you’ve probably got an ultrasonic one. (Also, don’t run it dry, you’ll fry the sounder.)

    Cool project, though! Very neat conversation piece.

  4. I live in the Midwest. If we want a tornado in the living room, we just have to sit and wait. One will probably show up eventually.

  5. Looks like it was based on the Museum of Science version from this ancient website article: http://amasci.com/amateur/tornbox.html. But they came up with a cool addition: a wall of moving air wall created with a perforated tube. Cool! Since posting that old article I’ve heard that you can transform your whole livingroom into a tornado machine if you put a fan near the ceiling, then place numerous hollow columns around the walls, each with perforations or slits with fans blowing air tangentially. (Will this clean the room, plus create a vortex core of swirling dust bunnies and cat hair?)

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