1. 0.5 times the radius of the CB = miscue limit, so halfway between the middle of the CB and the table.
2. Max draw occurs at 0.35 - 0.40 times radius of CB.
3. To get more draw, you need to hit the CB harder.
The radius of a CB is 1.125", and 0.40 times the radius is 0.45", which is 11.43...