HOW TO – Make a carbid cannon

Craft & Design
HOW TO – Make a carbid cannon

George writes – “The Fourth of July is quickly approaching. If you live in a state where fireworks are illegal you may find a legal alternative in carbide cannons. These cannons use calcium carbide and water to generate acetylene which is then ignited. This method is relatively safe in that if to much carbide is added there will be an excess of acetylene (relative to oxygen) causing a thump rather than a bang. Calcium carbide is commercially available under the name Bangsite at many hobby shops. “Link.

Makers! Have 4th of July projects? Send them in – we’ll round up the best ones a week before the 4th!

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