Deltic Diesel Mugs

Deltic Diesel Engine, State of the art in the 60's as they came in to service

Deltic Engine IZ55 thunders down the line. Classic Diesel Train

English Electric DP1, commonly known as Deltic, was a prototype 3,300 hp (2,500 kW) demonstrator locomotive employing two Napier Deltic engines, built by English Electric in 1955. The high power of the locomotive at an acceptably low axleload resulted in 22 similar locomotives being ordered by British Railways for use on East Coast Main Line express passenger services; the serial production of which became the British Rail Class 55.

English Electric Deltic

Diesels galore!

English Electric built the deltic locomotives between 1961 and 1962, and this is a drawing of the prototype in distinctive blue livery. The name 'Deltic' comes from the Napier Deltic engines which unusually have three cylinders in triangular formations (as in the Greek letter 'Delta'.

Deltic D9000 "Royal Scots Grey" on a railtour near Durham, England

As the Steam engine came to the end of its life, Diesel was King. They gained the name "Deltic" from the prototype locomotive, British Railways DP1 DELTIC, which in turn was named after its Napier Deltic power units