Race Committee Training ORR Measurement Rule
Lou Sandoval CYC LMPHRF Delegate ORR Measurer (trained 2003) Race to Mackinac Chairman
Why the Offshore Racing Rule (ORR)? ORR Objective Measurement based Sum of the parts LMPHRF Subjective Based on ‘observed performance’ Quasi-quant analysis
What parameters? Displacement Hull shape Center of Gravity (cG) MWG of largest sail Sail Area Righting moment
CYC Applications Time on Time rating system Elapsed Time (Secs/mi) Percent of time sailed Time differential is based on the time boats are on the water.