| Year | 2020 |
| Date | 23-Oct |
| Volume | 225 |
| Issue | 4,650 |
| Page | 578 |
| Category | Locomotive |
| Part | 1 |
| Title | Britannia Class 7 Locomotive in 5 Inch Gauge. A Modelworks Rebuild |
| Author | Norm Norton (Norman Lorton) |
| Notes | Takes a renewed look at this popular, kit-built BR Standard Pacific. Oliver Cromwell on the GCR in Loughborough in 2014, why rebuild a Modelworks locomotive? Don Ashton's Walschaerts' valve gear spreadsheet, weighshaft bracket problems, identification of weighshaft centre and cylinder block edge as a guide, data entry and results pages from Bill Hall's simulator programme, Walschaerts valve simulation, excessive steam lead, references |