This one is at early stage, with rolling chassis, boiler and part-built tender.
| gauge | 2 1/2 inch |
| length/inches | 21 + 13 |
| width/inches | 5 |
| height/inches | 8 |
| wheel material | cast iron |
| axlebox type | plain bearing |
| cylinder material | 3 x cast iron |
| valve type | slide |
| boiler maker | N.Booth |
| CE mark | n/a - non-commercial |
| boiler type | locomotive |
| boiler material | copper |
| boiler construction | silver soldered |
| superheater(s) | 3 |