Maybe the oil doesn't let the cement bond, just holds it in the oil mix so there's really not much cohesion. If a fine sand and cement very dry...
The cement made a nice finish but the cost of synthetic engine oil would be expensive.
This is interesting. I wonder if the sand can be reused after mulling, maybe in an air tight container?
I've got to show this to my wife, I like cookies or pastries for breakfast muchies.
If the mold was covered somehow to contain the heat it would probably work good.
Just finished a simple pour, 3/4 x 12" round bronze bar. Open shed, temp 40#. I used a heat gun to blow air through the mold, sprue to vent and...
Thanks Mantrid, very interesting. I guess there is really nothing new under the sun. I'm amazed at the skill using primitive materials. I've...
I'm thinking of trying a lost wax pour using plaster of paris to encase the pattern then putting in rammed sand before melt out. Trying for a...
I've made a few mortars for golf balls and 1" lead balls using seamless tubing. With short, 8-12" length and 50-60 gr of 2f or 3f black powder,...
Like Kelly said, the bronze alone was worth it, not to even mention the tin!
Bee's wax - refined honey comb
I make replicas of bronze age daggers, axes, tools using naturally occurring adobe/sand material. I've been thinking of trying a baked clay mold,...
I've got a lot of what I think is metal strips that used to be used for type, 4"x 3/4" x 1/16". Don't know what kind it is, tin type, mono type,...
Very interesting,,,,,
Thanks guys, I'm saving this for future reference . :)
I'm no good with math, is there a way, with a calculator to determine the different weights or % of metals for a blend? Example, cu/al for...
I bet that metal spill was a sob to clean up ,,,:eek:
Don't get discouraged when starting casting. This was my 2sd try, one on the left. I was going to remelt it then decided to keep it to remind me...
Just a quick post to show how the spray paint peels off the mold halves, the paint from the cavity turns to a black powder and will just brush...
Very interesting video and thanks for the info on the bentonite difference, I'm smarter now. ;) I'll get some southern bentonite and add some....
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