Finally I use the new foundry furnace and propane burner to put the literal fire to the copper. As predicted, the mighty, rickety propane burner won. The plan here is to use these copper pucks to make alloys of bronze and brass, specifically aluminum bronze. Look for that in a coming video. Furnace is HOT!

The Furnace build is found here:

The Burner build is here:

Tin, Zinc, and other ingots available here: www.rotometals.com.

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Music: “Quirky Dog” by Kevin MacLeod.

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46 COMMENTS

  1. If you manage to get some 1000 series aluminum alloy, it is even higher in aluminum than the 6000 series extruded alu you have there, although I doubt you will be able to tell the difference in the final aluminum bronze casting

  2. Can you say 100 lb propane tank? If that is not an option, perhaps you could get another 20 lb tank and swap between the two when one cools down. Or get a big tank of room temperature water and immerse the tank in the water. Obviously hot water would be better, but some would complain that it is dangerous.

  3. Yo Paul's garage i am going to make a furnace like yours I already made one that will melt aluminum out of a five gallon paint jug it was very interesting but I am going to build one like this one but on a little larger scale

  4. Have you seen the video by Tito4re called Making 5 Pound Ingots From Scrap? (8-15-2016) He's got a crucible tool a lot like yours, and a 3-section furnace. (Excluding the burner)

  5. A readily available (purity unknown to me) source of zinc if you want it, is wheel weights. I saw a video on how to identify the 3 major kinds of metals (lead, zinc, & steel) used in wheel weights. Manufacturers are moving away from lead for environmental quality reasons. Have you thought of using a different dunk tank for your muffin tin? Big box stores around here sell 2 sizes of plastic mixing pans (for tile grouting and the like). The smaller one costs about $15 and is probably big enough (24 × 18 x 6 inches, or 61 x 47 x 17 millimeters) to immerse your entire muffin tin horizontally. Just put a few small stones, bottle caps, or finished ingots in the bottom to prevent melting from direct contact. I'm not sure if that will warp your muffin tin, but I'm curious to see. Keep up the fun, & GBY.

  6. Can I cast a 20 cm Copper/Aluminium sculpture of a bird & have good detail do you think? Do different metals have better detail? I know aluminium isn't great. I've been having much success with detailed pewter sculptures but they are very heavy. I'd like to make small bronze ones eventually. Would delft clay or similar survive copper sort of temperatures? Thanks

  7. Hey! Great info on alloys 🙂 Thanks for sharing! Are u still considering the Gingery lathe project? What kind of aluminium would you use for the castings? Extruded or casted aluminium? Or another alloy instead? Thanks!

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