Silver soldered copper boiler, 80psi working pressure, feed by injector and axle pump with auxiliary hand pump in the tender. Gunmetal cylinders with piston valves actuated by Walschaert's gear, screw reverser in cab, mechanical lubricator.
We had this one running outside this morning - it goes well, there's some video of it here.
| gauge | 3 1/2 inch |
| length/inches | 35 + 18 |
| width/inches | 7 1/2 |
| height/inches | 11 |
| weight/kg | 32 +8 |
| wheel material | cast iron |
| axlebox type | plain bearing |
| cylinder material | gunmetal |
| valve type | piston |
| valve gear | Walschaerts |
| reverser type | screw |
| injector(s) | 1 |
| boiler number | 13 |
| boiler maker | non-commercial |
| CE mark | n/a - non-commercial |
| working pressure/psi | 80 |
| boiler type | locomotive with combustion chamber |
| boiler material | copper |
| boiler construction | silver soldered with nutted and calked firebox |
| hydraulic test valid to | 10-Jul-29 |
| steam test valid to | 6-Oct-26 |
| superheater(s) | 4 |
| superheater type | flue tube |
| safety valve(s) | 2 |
| safety valve type | spring |
| mechanical pump | 1 |
| hand pump | 1 |
| whistle | yes |