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This month we continue the best of “Weekend Projects” with Bre Pettis. This particular episode was made to celebrate the One-Year Anniversary of Weekend Projects and features the flames to prove it! If you haven’t seen this podcast, its a doozy. Be sure not to burn your house down, and join Bre as he makes a JAM JAR JET!

This pulse jet works by igniting a flame, which pushes the gas out of the jar and then bit of a vacuum that it leaves sucks the air back in and the circle is repeated. Watch the video and download the pdf to learn how to make it!