For example, the outer core mold 16, FIG 6, may be cast to have a series of locator pin supports 18, of a specified depth and of {HEAD ~ a diameter} slightly larger than {TAIL ~ the locator} pin diameter, for aligning and centering the inner core within the mold 
slightly larger than
For example , the outer core mold 16 , FIG 6 , may be cast to have a series of locator pin supports 18 , of a specified depth and of { HEAD ~ a diameter } slightly larger than { TAIL ~ the locator } pin diameter , for aligning and centering the inner core within the mold
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH