5. Pre-heating the Shell
The shell is re-heated to 1100F to prevent thermal shock prior to receiving the bronze. Again, any method of heating will suffice.
It is then set up in sand to keep it upright and to absorb any spilled bronze.
5. Pre-heating the Shell
The shell is re-heated to 1100F to prevent thermal shock prior to receiving the bronze. Again, any method of heating will suffice.
It is then set up in sand to keep it upright and to absorb any spilled bronze.