I know it has been some time since this post was placed but I have some new data that is puzzling.
I took my 11 pound Blue-Dot down to some pretty oily lanes the other day.
Just for kicks i wanted to revisit the deflection shot.
I stood with my right foot on the first dot on the right.
I was trying to throw the ball fast, 14mph (for me!)over board 9 with a straight fast angle to the 1-3.
I used a mild semi-roller
The ball slid/rolled all the way.
If it hit the 1-3 high and tight then I got a strike, a light hit produced splits and other undesirable leaves.
Now here is the interesting part.
Occasionally i would miss my board to the left and roll over board 12.
This would cause a high tight 1-2 pocket hit.
Every hit on the 1-2 produced a dramatic power strike with pins flying and the 6 pin shooting to the side wall and flying back taking out the ten with its whole body mass rather than just the classic tap out that you get from a 1-3 pocket hit.
I have never stuck so hard.
I decided to keep at the 1-3 pocket and as long as i hit high and tight and sometimes a little light, i got those killer strikes.
I was so into this that I forgot to see how this was happening.
My thought is this effect was like a spinner ball strike.
The ball was coming at a right to left angle with a right to left spin and hitting the left side of the rack.
This would cause the ball to slide fast down the left side of the rack deflecting all the pins into the others.
This is only a guess of course.