The work of an experienced model engineer, work to date is to a good standard and comprises an air-running chassis, platework, silver soldered copper boiler and largely complete tender.
The boiler appears well made, with neatly flanged plates and good solder penetration. It has a number stamped on the backhead, we're told it has had a club test in the past, however there is no documentation to support that.
We have given it a twice working pressure hydraulic test at 160psi for 80psi working and would warranty it as sound.
Large freight engines are always something of a rarity, overlooked for the more glamorous express locomotives, although they make handsome, very practical engines for club running. The S&D 7F is even rarer - we've never had a complete one yet, closest we came was a boiler for one which we sold back in 2017.
| length/inches | 38 + 25 |
| width/inches | 10 |
| height/inches | 14 |
| wheel material | cast iron |
| axlebox type | plain bearing |
| cylinder material | cast iron |
| valve type | piston, outside admission |
| valve gear | Walschaerts |
| reverser type | screw |
| lubricator type | displacement |
| boiler number | 459 596 |
| boiler maker | non-commercial |
| CE mark | n/a - non-commercial |
| working pressure/psi | 80 |
| boiler type | locomotive |
| boiler material | copper |
| boiler construction | silver soldered |
| fusible plug | no |
| safety valve(s) | 2 |
| safety valve type | spring |