The engine runs on compressed air. The pipework is inelegant, the wood-lagged cylinder unusual though not unattractive.
| length/inches | 6 1/2 |
| width/inches | 3 1/2 |
| height/inches | 3 1/2 |
| weight/kg | 1 |
| bore x stroke/inches | 3/4 x 3/4 |
| wheel material | cast iron flywheel, 3 inch diameter |
| cylinder material | gunmetal |