The English Electric Deltic Locomotive by Dr John Wager
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The English Electric Deltic Locomotive by Dr John Wager
- 1. the ENGLISH ELECTRIC DELTIC LOCOMOTIVE from the first trial run of the PROTOTYPE in autumn 1955 to the BR 55 s Speaker: Dr. John WAGER
- 2. Pre-WW2: British mainline plans for long-term electrification. during WW2: continue with steam, “austerity” designs of locos ENGLISH ELECTRIC, during WW2: active at Stafford, Bradford, Rugby, Preston: built a wide range of: - diesel-electric locos, - large power stations: hydro, steam - aircraft: (incl: 1,160 Halifax, built at Preston) 1942: D. Napier & Son becomes part of ENGLISH ELECTRIC
- 3. 1940-42: NAPIER develops the SABRE aircraft engine -3000 hp - a 24-cylinder, two-crankshaft , pressure-liquid-cooled sleeve valve engine, - 2-speed supercharger, automatic carburettor and boost control - fully automatic ignition timing. 1942-44: SABRE used in the “Tempest” and “Typhoon” fighters against Luftwaffe, and V1 rockets
- 5. 1944: NAPIER develops the DELTIC (more later !) for high-speed MT boats. Post-war: British mainlines return to electrification plans - becomes clear this is a long-term project - interim need for high-speed DE locos ENGLISH ELECTRIC 1955 decides to build (at its own cost) a powerful DE prototype loco using two DELTIC engines.
- 9. DELTIC prototype approaching Preston. St Walbergs spire visible
- 11. BACHMAN model
- 21. OPPOSED-PISTON ENGINES DELTIC COMMER
- 25. the TS3
- 27. OPPOSED-PISTON ENGINES DELTIC COMMER DOXFORD marine
- 31. OPPOSED- PISTON ENGINES DELTIC COMMER DOXFORD Charles Benjamin REDRUP
- 34. “ reactionless” engine 1911
- 36. 1913: Charles REDRUP establishes the HART ENGINE COMPANY
- 37. REDRUP: HART ENGINE (the ALPHA)
- 38. AVRO 504 K with Redrup ALPHA engine
- 39. 1920: undercarriage - - - - - 19-year-old AVRO engineer, George DOWTY
- 40. REDRUP 6 cyl axial marine engine 1924
- 41. REDRUP 3 cyl axial m/cycle engine
- 48. 1936
- 49. - now, back to the DELTIC
- 51. First post-war diesel-electrics LMS 10,000 (1947) 1600 hp 130.6t 21.8 t/axle 85mph DELTIC (1955) 3300 HP 108.2t 19.0 t/axle 100mph
- 53. An order for 22 Deltics was placed with EE to enable complete replacement of steam. These 22 Deltics replaced 60 A4 steam Pacifics The Deltics became BR Class 55, first deliveries 1961. They covered 21 million miles in the first 5 1/2 years of operation. The Deltics were withdrawn from service at the end of 1981.
- 57. References: O.S.Nock “British Locomotives of the 20 th Century” Vol 3, Guild Publishing 1985 J. Glover “English Electric Traction Album” Ian Allen 1981 Sir George Nelson “English Electric War Diary” 1938-45 W.Fairney “The Knife and Fork Man” (the life and work of Charles Benjamin Redrup) Diesel Publishing 2006 Google (anytime !) www.ecomotors.com