This video series shows the step by step build of a my barrel stove project without the kit.I’m building this with crap metal I have laying around the shop to avoid spending any money at all on this kit.The 2nd barrel makes the stove more efficient. With a single barrel you loose a ton of heat out of the chimney not to mention the more heat that stays within the stove means the cleaner it will burn. In my opinion the 2nd barrel is an absolute must. But yes it is warmer because you do not loose nearly as much heat.
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