I mightve achieved the goal...
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Heated cast iron, picture of thermometer is of the flux coated bronze being used
Notice how blue I got the cast iron in the BBQ grill
Last picture: melted bronze into the groove of the cast iron
Exactly what I did different: flame about 4 times stronger (whoever said that you are smart)
Left hand holding bronze was pushing down on area where we wanted it, soon as it melted, pull out and move to the next area to do another mini puddle
Now: in the oven on low heat, let it cool down and I post for yall hammer test in 15-30 minutes...
Sledgehammer will be used: for fun, while we wait for it to cool, say whether you think it will hold or not hold