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2006-2008 © GDJ Inc.
Models 250 360 1440
New Features
Side by Side Comparison
Curricula
Real Data
Sample Data Screens
NASCAR Experiment
Golf Ball Experiment
Brochure
Number of tubes raised = Width of wake
Height of fluid in tube = Force of wake
Velocity: 50 ft./sec. Ball with dimples
Velocity: 90 ft./sec. Ball with dimples Drag: Decreasing; Wake: Reduced
Velocity: 50 ft./sec. Ball without dimples
Velocity: 90 ft./sec. Ball without dimples Drag: Increasing; Wake: Increasing