| Year | 2000 |
| Date | 15-Dec |
| Volume | 185 |
| Issue | 4,135 |
| Page | 601 |
| Category | General |
| Part | 2 |
| Title | An Experimental Rotary/Radial Engine |
| Author | Colin Pape (France) |
| Notes | Invites others to experiment. Thrust collar, connecting rods, how it works, direction of rotation, master connecting rod, crankcase complexity, conclusion |