| Year | 1995 |
| Date | 01-Dec |
| Volume | 175 |
| Issue | 4,006 |
| Page | 686 |
| Category | Hot Air |
| Part | |
| Title | A Free Piston Stirling Engine |
| Author | Julian Wood |
| Notes | Describes the design and operation. Two moving parts, single unit engine, principle of operation, engine details, details of operation, power and efficiency, solar heated engines, FPSE coolers |