| Year | 2023 |
| Date | 21-Apr |
| Volume | 230 |
| Issue | 4,715 |
| Page | 573 |
| Category | Stationary Engine |
| Part | 18 |
| Title | Grasshopper Beam Engine |
| Author | Martin Gearing |
| Notes | Presents an ideal beginner's project with great potential for the more experienced builder. Control valve retainer, truing of retainer and valve body sealing face, control valve handle, control valve handle stops - two required, vacuum hose adaptor, machining the vacuum cleaner adaptor, vacuum hose adaptor retainer, feet - four required |