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Original Video Credit: IG/c111va A homemade potato cannon is being prepared by filling its combustion chamber with aerosol fuel before sealing the system and loading a projectile into the barrel. Moments later, the setup is ready for ignition. When the fuel mixes with air inside the chamber, a spark ignites the mixture and creates a rapid increase in pressure. That expanding gas has only one path to escape, forcing the projectile down the barrel at high speed. Potato cannons are often used to de