Tested on air in the workshop, the engine runs very nicely down to low speed in either direction.
There is further information and a full specification for the plant on the Stuart Models website here.
| length/inches | 13 |
| width/inches | 7 |
| height/inches | 4 1/2 |
| weight/kg | 3 |
| bore x stroke/inches | 7/16 x 7/16 |
| axlebox type | plain bearing |
| cylinder material | brass |
| lubricator type | displacement |
| CE mark | n/a - < 2 litre capacity |
| boiler type | gas-fired horizontal cross tube |
| boiler material | copper |
| boiler construction | silver soldered |
| safety valve(s) | 1 |
| safety valve type | spring |