Assertion: bowling ball's hole | /r/HasProperty | drilled
Facets:
Source sentences:
text: A ball's drilling layout refers to how and where holes are drilled, in relation to the ball's locator pin and mass bias (MB) marker.
text: When a bowler purchases a ball, the holes are drilled to fit his or her hand.
text: The holes are not pre-drilled
text: Some balls are designed so that a skilled ball driller can dramatically change the as-drilled RGs and differentials using different layout techniques, while other balls are designed so that the undrilled mass properties are maintained as much as possible after the holes have been drilled.
text: The rules of our sport are such that only a small amount of imbalance is allowed, so the side of the ball where the gripping holes were to be drilled needed to start out weighing more than the other half.
text: But, even the numerical systems aren’t 100% perfect because of how the ball’s mass properties are changed when holes are drilled.
text: the thumb below - holes that are drilled away from the center of the grip is referred to as reverse.
text: The location of the holes to be drilled, in relation to the pin, is what makes the ball behave in different ways.
text: However, if you dissect the ball off center, a greater portion of the weight block will be on one side of the ball, possibly making that half of the ball too heavy vis-a-vis the other half; also, modern high tech balls and their asymmetrical cores can be drilled in such a manner as to be in violation of the maximum tolerances allowed by the USBC for side to side weight (which is a one ounce differential); to get the ball back to legal compliance an extra, non-gripping hole may be drilled to remove the excess weight.