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phoenix

Tarnagulla Specimen Again

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Awesome find!  How are you planning on melting it down? I tried a butane torch on a gold ring I found that I didn't want, sat it on it for about 10 minutes and it didn't melt only went black but the mini graphite mold I had it in burnt my wooden desk I had it sitting on ?

 

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You busted it! :biggrin:

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57 minutes ago, phrunt said:

How are you planning on melting it down?

I`ve got a couple of propane burners and a little kiln and Wikipedia tells me propane and air burns at 1980º C and gold melts at 1064º C and, like I said, I`ve never done it before, but I think this little setup will probably work.   I`ll know in a couple of weeks ?

SDC14114.jpg

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I used the cheap cans of gas that campers use and a blow torch attachment. It took a while in a fire brick that I had made a bowl indentation in it with an angle grinder. Providing I kept the weight below 4 ounces it worked OK. The photo below shows 16+ ounces I did once, not bars like you can do with the unit above

p1012012.JPG

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Outstanding Geof, you make me very jealous! The ring I tried to melt that ended up destroying my desk I used a GB-2001 which claimed to get to 1300 degrees C

IMG_20190729_193958.jpg.f025127f467079d86ad539059667363d.jpg

Would I be better off trying the one I bought a couple of weeks ago to burn some hairs off a wild pig I was given for my freezer? ?

IMG_20190729_193623.jpg.468316a04724cb077357d3dbe5732259.jpg'

I've now lost the ring.. spent the last half hour trying to find it ?

Note to phoenix, do it on concrete!

 

 

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Phrunt the second is very similar to the one I used. (I hope NZ standards are up to our Aussy ones :biggrin: ) The big trick is to use a fire brick or some sort of heat insulation that won't melt as the set up phoenix shows. 

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Agree with Geof, I struggled to get enough heat without insulating with firebricks, as the heat loss is too much. Using the small kilns with propane/butane will work fine. I made my own easily enough.

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Look good.Looking forward to see a gold bar.

Keep digging

 

GoldEN

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13 hours ago, geof_junk said:

I used the cheap cans of gas that campers use and a blow torch attachment. It took a while in a fire brick that I had made a bowl indentation in it with an angle grinder. Providing I kept the weight below 4 ounces it worked OK. The photo below shows 16+ ounces I did once, not bars like you can do with the unit above

p1012012.JPG

Gee....the gold watch didn't melt too well.?

JW ?

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