One of the largest locomotives in the Polly range, it's size and weight make it an ideal club engine, well-suited for continuous passenger hauling. Still in production, there is further information with full specifications on Polly's website here.
We've just fitted a new superheater, boiler has had hydraulic and steam tests with new certification isued. It runs well - there's a clip of it on the rolling road here.
| gauge | 5 inch |
| length/inches | 39 |
| width/inches | 10 1/2 |
| height/inches | 17 |
| weight/kg | 54 |
| bore x stroke/inches | 1 1/2 x 2 3/8 |
| wheel material | cast iron |
| axlebox type | plain bearing |
| minimum radius/feet | 25 |
| cylinder material | cast iron |
| valve type | slide |
| valve gear | Stephensons |
| reverser type | pole |
| lubricator type | mechanical |
| injector(s) | 1 |
| boiler number | PB703/05 |
| year built | 2005 |
| boiler maker | Priory Boilers |
| CE mark | yes |
| working pressure/psi | 90 |
| boiler type | locomotive |
| boiler material | copper |
| boiler construction | silver soldered |
| superheater(s) | 1 |
| superheater type | radiant |
| fusible plug | yes |
| safety valve(s) | 2 |
| safety valve type | spring |
| mechanical pump | 1 |
| hand pump | 1 |
| whistle | yes |