Finally a software tool that takes the guesswork out of props and boat performance!

Over 150 presets to calculate speed and or slip from the integrated database
Prop pitch entry
Engine RPM entry
Integrated or custom hull / slip selection.
Integrated or custom drive ratios with percentages
Easy to use help info and pop-ups
Printable reports
No slider limitations
Drop down selection menus
Under drive or Overdrive


 I/O's, Outboards, Inboards, Gasoline, Diesel, Two Stroke, Four Stroke, Three Blades, Four Blades, Five Blades, Stainless or Aluminum, Under drive, Overdrive, Cruisers, Cuddys, Fishing Boats, Catamaran, Fast Bottom