DocumentsDate added
Results for the Sonar Spring 2010 Race Series.
and Haul This schedule covers tides for the Spring and Summer racing season for Sonar launching and hauling. Please leave yourself 15 to 30 minutes to account for differences in actual conditions.
Ten improvements for older Ontario and Ryder Sonars
Peter Galloway's speed tips.
Here is Dave Franzel's comments on tuning the Sonar.