The Classroom #6: Why Ball Rating Systems Are Inaccurate (Bowling Instruction)

In this video I talk about why bowling ball rating systems or spreadsheets can never be accurate, despite good intentions. Bowler's Mart: https://bit.ly/3D0mSY5 Storm Arc Ruler: https://www.stormbowling.com/storm-ar... Use code "Rosdahl10" to get 10% off your purchases at CoolWick.com!! We use Turbo Quad Classics in Ice for inserts, and Turbo duo color thumb solids: www.turbogrips.com Support the channel:   / lukerosdahl   Join us on Discord: StormNation Pawsitive Tails KC: https://www.pawsitivetailskc.org/ Join SRGBBFS on Facebook for all things Storm and Roto Grip! My personal stats are: 375 revs, 16 mph speed, 7 degrees tilt, 40 degrees angle of rotation Angel's: 325 revs, 15 mph speed, 10 degrees tilt, 60 degrees angle of rotation Special Thanks: Chad McLean (Storm), Brett Cooper (Storm), Carolyn Dorin-Ballard (Turbo), Larry Burton (Royal Crest Lanes), Jessy Bauer (Royal Crest Lanes), Rocky Russell (Royal Crest Lanes), Nick Brown (SRGBBFS), Evan Ruffini (bowlinglabs.com), Jim Nemeth (CoolWick), Cliff Barnes (Bowler's Mart) #stormnation #srgbbfs #driven2bowl #coolwick #bowlersmart