Boat Speed Calculators    Right-click the links below to download Excel files that you can use to calculate the speed of power boat designs.    1.   Frank Bailey's  formula, useful for speed-length ratios greater than 3.    2.   Keith's and Crouch's formula, useful for lower speed-length ratios.      Bolger Boat Designs    Philip C. Bolger has produced several books of his   boat designs. Right-clicking on one of the link below will allow you to download an Excel spreadsheet summarizing the features of the designs in the book listed:   1. Different Boats    2. Small Boats    3. 30-Odd Boats    4. The Folding Schooner    5. Boating with an Open Mind                              Back