The engine turns freely and runs on air - there's some video of it on our YouTube channel here. Mounted on a wooden base, with pipework for exhaust, cylinder drain and boiler feed pump led out through the back.
| length/inches | 28 |
| width/inches | 14 |
| height/inches | 24 |
| weight/kg | 37 |
| bore x stroke/inches | 1 3/4 x 3 3/4 |
| wheel material | cast iron |
| cylinder material | cast iron |
| valve type | slide |