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...
Thank you, i have seen it already (As Yours other posts/threads) I thought of just ramming it with sand mixed with sodium silicate and runing co2...
Next casting sesion. Some cast was know to be on ok side, some "experimental". Big thanks for Kelly for inspirations. One extra thin was meant...
Tested twice already.
Only water in this part of globe.
I newer have any luck with setting coumpound - gypsum or cement have too many water. Ready mix unsetting - i will give them new try. But still -...
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