If you want to see three class 55 Deltic locomotives in the same place, then now is your chance at the The Deltic Preservation Society workshop at Barrow Hill Roundhouse Railway Centre. All inside now for the winter. BarrowHill is open at weekends (only) until 14th December 2025. The Deltic Preservation workshop is usually open at weekends, but it is worth checking their Facebook site before travelling, as they sometimes close if the volunteers are not available on a particular weekend. #trains

Deltic engine schematic in action

Mechanics of the piston action inside a Deltic engine

With their roaring twin Napier Deltic engines and sleek design, the Class 55 Deltics became legends of the East Coast Main Line. 🚂✨ Introduced in the early 1960s, these powerful diesels hauled expresses between London, York, Newcastle, and Edinburgh at record speeds, replacing steam and defining a new era of British rail travel. Nicknamed the “racehorses of the rails,” they remain icons of diesel power and endurance. 📽️ In my latest video, I uncover the story of the Class 55 Deltic — their des

This video demonstrates the engine sounds from 4 different classes of British Rail diesel locomotive. They may look visually (slightly) similar but they each have a characteristically different engine sound. The class 37 and class 40 have different types of engines, but both were built by the English Electric Company. The class 44 has a Sulzer engine, and the class 55 has a Napier Deltic engine. So there you go! | Adrian Watson