| Year | 2017 |
| Date | 17-Mar |
| Volume | 218 |
| Issue | 4,556 |
| Page | 456 |
| Category | Automotive |
| Part | 7 |
| Title | The Epicycle Gear Train |
| Author | Ron Wright |
| Notes | Concludes his article on the theory and mechanics of transmission. Hydraulic torque converter, torque increase, coupling, efficiency, roadgoing characteristics, sources |