Back End: Back end ratings seem to confuse bowlers. A ball's back end is the angle or degree of hook at the breakpoint. The confusion comes from the term back end. The ball may break at 20 feet, 30 feet, or 40 feet. That doesn't matter. What you are evaluating is not how much it hooks, but more WHEN it hooks; i.e. the ability of a ball to make a turn back to the pocket. Since there is the potential for balls to have more and less back end, BTM needed a benchmark that would leave room in both directions. Again, the Danger Zone was selected and it was assigned a back end rating of 10. Remember that these are comparisons so 10 doesn't mean anything by itself. It would mean for comparisons that it is stronger than balls rated 9.5 and lower and it would be weaker than balls rated at 10.5 and higher.

 

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Back End: Back end ratings seem to confuse bowlers. A ball's back end is the angle or degree of hook at the breakpoint. The confusion comes from the term back end. The ball may break at 20 feet, 30 fe . . . View Full Definition

Back End Of A Motor: The back end of a normal motor is the end which carries the coupling or driving pulley. (NEMA) This is sometimes called the drive end (D.E., pulley end P.E.) etc.

Back Ends: Usually refers to the far end portion of the lane where the most hook can occur.If the backends are very dry, the ball will continue to hook with power for most players; if the back ends are . . . View Full Definition

Clean Back Ends: A generally desirable lane condition in which the back ends of the lane have little or no conditioner (see stripped lanes also). It is helpful in that the ball can generate a larger hook wit . . . View Full Definition