With the difference that a forced air burner increases the temperature in the furnace chamber with about 200 C.
The stainless shell is not a big issue. Here my small furnace made from a stainless steel kitchen trashcan. The difference with the Vevor is the...
HT1, you are right. Today I melted cast iron in a brand new Salamander and heated it over 1400 C and the glazing remained intact. On the inside I...
Indeed, it is the same crucible. Left a new one which I received this week and oven- (woodstove-) dried yesterday and right one used a few times...
Rather useless compared to the single burner design most of us use. The Kaowool wall is not lined with a Satanite / Fermit like layer on the...
Today I got two 200ml crucibles from Amazon. Not the best, but for copper temps these are OK. They last about 20 melts and recently one was...
That is exactly the reason why I use the bottom half of a worn out crucible upside down as a plinth. They won't crack. And I paint it to make it a...
I have had a furnace built from Mizzou concrete, but it soaks heat. As you say, when hot, it retains the heat well, but a well insulated furnace...
This is a very good idea, I did this as well. No more Mizzou or another concrete for me as these are heat soaking. My newest furnaces are made...
Today I melted some copper in a last time use crucible which had a crack. When it was molten, I took the crucible out but it broke apart and the...
That I do also, skimming off the crud from the hot liquid metal straight when taking out from the furnace. Then I pour and then I scrape the...
What I do to keep my crucibles clean is that after the pour (copper, bronze or cast iron) I quickly scrape off the inside of the orange hot...
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