| Year | 2002 |
| Date | 12-Jul |
| Volume | 189 |
| Issue | 4,173 |
| Page | 22 |
| Category | Internal Combustion |
| Part | 7 |
| Title | Building a 1:5 Scale Gnome Rotary Engine |
| Author | Rowland C.Lowe |
| Notes | Valve gear. Rollers, guide end, the valve rockers, valve rod end, valve rod, locking ring, commutator ring, crankcase seal spring |