Deltic or Deltics may refer to: *

Napier Deltic The Napier Deltic engine is a British opposed-piston valveless, supercharged uniflow scavenged, two-stroke diesel engine used in marine and locomotive applications, designed and produced by D. Napier & Son. Unusually, the cylinders were di ...

, a diesel engine **

British Rail DP1 English Electric DP1, commonly known as ''Deltic'', is a prototype 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 s ...

("Deltic") a prototype locomotive built by English Electric fitted with the Deltic Engine **

British Rail Class 55 The British Rail Class 55, also known as a Deltic, or English Electric List of British Rail power classifications#Type 5, Type 5, is a class of diesel locomotive built in 1961 and 1962 by English Electric for British Railways. Twenty-two locomot ...

, production locomotives powered by Deltic engines **

British Rail Class 23 The British Rail Class 23 were a class of ten Bo-Bo diesel-electric locomotives built by the English Electric, English Electric Company (EE) in 1959. The power unit used was a Napier Deltic T9-29 9-cylinder engine of driving an EE generator, ...

, "Baby Deltic" production locomotives powered by Deltic engines **

Deltic Preservation Society The Deltic Preservation Society is a railway preservation group based in England. The society is dedicated to the preservation and restoration of the remaining Class 55 "Deltic" diesel locomotives operated by British Rail from the 1960s to the ...

Deltic acid Deltic acid (also known as dihydroxycyclopropenone or trianglic acid) is a chemical substance with the chemical formula . It can be viewed as a ketone and double enol of cyclopropene. At room temperature, it is a stable white solid, soluble in diet ...

, a chemical whose molecular backbone resembles the Greek letter delta (Δ) *

Deltaic A river delta is a landform, archetypically triangular, created by the deposition of the sediments that are carried by the waters of a river, where the river merges with a body of slow-moving water or with a body of stagnant water. The creati ...

or deltic * ''Deltics'' (album), a music album by Chris Rea

See also