The sound of that Napier engine... - Severn Valley Railway

The complex beast which is a Napier Deltic engine. A model of how the engine works. Plus I have added the sound of a real class 55 Deltic engine running, just for added ambience! #trains #diesellocomotive #britishrailways #railways #trainspotting #heritagerailway #deltic #class55 | Adrian Watson

Four Napier Deltic power units at the The Deltic Preservation Society workshop at Barrow Hill Roundhouse Railway Centre in Derbyshire. In various stages of reconditioning. This DPS workshop is open to the public most weekends. It’s worth checking their website/Facebook page before visiting though. Sometimes their volunteers might all be busy offsite running the Deltics!! (Edit- the DPS workshop is not open on Saturday 2nd or Sunday 3rd of August 2025, as the volunteers are away at the The Greate

O motor Napier Deltic 18 cilindros é um motor diesel britânico de dois tempos , com pistão oposto , sem válvulas , superalimentado , uniflow , com sistema de exaustão, usado em aplicações marítimas e locomotivas , projetado e produzido pela D. Napier & Son . Excepcionalmente, os cilindros eram dispostos em um triângulo de três fileiras, com um virabrequim em cada vértice. O termo Deltic (que significa "na forma da letra grega (maiúscula) delta ") é usado para se referir tanto ao motor diesel de