No consideration for the shrinkage of the metal. Normally you use a wooden pattern which is a little bigger than the final product to allow for the loss of volume as the molten metal cools down (depends on the type of metal, but can be as big as 10% ).
No consideration for the shrinkage of the metal. Normally you use a wooden pattern which is a little bigger than the final product to allow for the loss of volume as the molten metal cools down (depends on the type of metal, but can be as big as 10% ).
most of these are pretty simple to figure out, but what the devil is this for?
It looks like a “wheel” for a tank. But Nick don’t know for sure.
Well done not a straight forward casting to do.