The permanent mold foundryman quoting on a new job often finds the most difficult problem is that of establishing a manufacturing technique to fit the quality and maintain a competitive price. Normally centrifugal process is completely ignored because of: 1. Probable high tool cost considerations, 2. Technical aspects of a relatively unknown process. Actually the centrifugal process is basically simple. The foundryman who ignores its possibilities is overlooking cost cutting potentials that can be large for some types of work.