Sunday, March 25, 2007

NCAA SAYS DUKE HAS LOOSE RIMS

(Up front, true story. So you know…)

Who knew? The NCAA has tests to see how tight and loose the rims are at college arenas throughout the country. They also have a legal range for rims, with 35% as the tightest a rim can be and 50% the loosest. They drop a 5-lb weight on the rim from four feet and a sensor on the weight measures the velocity and energy impact and computes that into a percentage. The "tighter" the rim, the less give the rim has on shots; a "loose" rim is forgiving and are designed to give a shooter's bounce.

The interesting findings can tell you about the program. For instance: Duke's rims rate at a 49% while North Carolina's are at 37%. Telling, since Duke has been built on perimeter shooting while UNC is built on going inside.

From the Raleigh News & Observer:

“Still, Duke coach Mike Krzyzewski said he didn't know the figures in Cameron Indoor Stadium, only that he wants his Blue Devils' shots to go in. And UNC director of basketball operations Jared Haase said he had never heard about rim tension. As a player at Kansas, he said, his only thought was about hitting the net.”

The NCAA decided to regulate rim tension after finding some places had a percentage of 10% and up to 90%. The parameters are used to try to keep games fair and more uniform.

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