| Year | 1996 |
| Date | 07-Jun |
| Volume | 176 |
| Issue | 4,018 |
| Page | 651 |
| Category | Workshop |
| Part | |
| Title | Variable Drive |
| Author | Jim Canner |
| Notes | Developes the original article. The original system, where is all this leading? The next stage, device 2, help needed, the package, freewheel clutches, the Oldham coupling |