| Year | 1933 |
| Date | 27-Jul |
| Volume | 69 |
| Issue | 1,681 |
| Page | 89 |
| Category | Model Marine Notes |
| Part | |
| Title | In the Wake of the Power Boats |
| Author | The Spectator |
| Notes | Props, types of blades in use, angles for 6" pitch on a 3" diameter propeller, propeller blade leaning over in direction of rotation, showing the rounded off end of a hydroplane hull, hulls |