Ok. Lean flame - only co2 and h2o plus some extra oxygen and full nitrogen. Rich flame result in some unburnt hydrocarbon. And it is easier to...
Could you explain it futher ? I tried to solve porosity eith some argon bubling. Ok on thin parts and first melt. Not ok with remelt.
Same with me. It is just different world.
I am using just ordinary wax from candles. Some messy to work in, but no problems so far. And from logistical point - low temp wax is in candles...
I still think you could try thinner coating. Write some text with black marker, and coat. If you can see text via dry coat - you are here. [MEDIA]
I think, i do found a possible way to test coating thickness if you can see a text it is not to thick: [ATTACH]
Interesting back-ground.
Mine will be more of medium temperature. I could go till 700-800 celsium, but it needs at least 310 ss steel which is unobtanium in small...
Yes, you are. Loved it after inventor/solidwork stuff - which are over complicated for hobby use. I think, i will make a longer video with...
It will be a long answer. Air at 4-8 bar pressure.
Yes.
No like detected under video :D
[MEDIA] In action.
I carve them from lightweight insulating bricks, they do last 3-6 pours. I bought box of them for furnace which newer happened, so now i use them,...
[MEDIA] Pouring cup close view [ATTACH] Remake that fallen part, with two types of coating. Chalk with drywall sealer/primer (water and acrylic...
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