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The system was capable of producing about 300 kg (660 lb) of steam per hour at 12 atm (1,200 kPa) pressure. It weighed about 7 t (6.9 long tons; 7.7 short tons), increasing the weight of the locomotive from 35 t (34 long tons; 39 short tons) to 42 t (41 long tons;
139:, with a classic fire for longer operation on non-electrified tracks. The water circulation pump, the control circuit and the lighting were powered by a battery that was charged from a rectifier fed by one of the transformers.
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to create steam instead of burning fuel in a firebox. This is a highly unusual type of locomotive that only makes economic sense under specific conditions. Normally, it would be much more efficient to build and use an
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steam locomotive may be prepared for service by using an external electric pre-heater. This allows steam to be raised gradually during the night so that the locomotive will be ready for use in the morning.
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or similar fuel, and the presence of relatively cheap and available electricity may make conversion of an existing steam locomotive into an electric-steam locomotive a viable proposition.
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locomotive, are fitted with internal electric heaters. This allows keeping the well insulated boiler warm overnight or even to start heating automatically in the early morning.
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46 short tons), and allowed a saving of 700–1,200 kg (1,500–2,600 lb) of coal per working day. Bringing the locomotive to pressure took about one hour.
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The modified E 3/3 8521 was brought into use on 13 January 1943; 8522 followed on 11 February 1943. They could run up to 20 minutes without power supply, like a
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The electric heaters were removed in 1951 from locomotive 8521 and in 1953 from 8522. As of 2013, locomotive E 3/3 8522 was still in (museum) service on the
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A Canadian patent for an electric-steam locomotive was granted as recently as 1992. The drawing shows a
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Switzerland has no natural reserves of coal, but the mountainous region offers plentiful, and cheap,
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225:. 4. nachgeführte Auflage. Birkhäuser, Stuttgart 1967, S. 269. (detailed description in German)
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The electric-steam system is also used in some small-scale model steam locomotives.
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74:, 2,191 km (1,361 mi) of SBB lines (73.6% of the network) had been
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Carver, Rex (August 2009). "The
Electro-steam story: Kettles on wheels!".
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advantages of modern steam as given on the pages of DLM AG, Switzerland.
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51:. However, lack of time and resources (as during wartime), lack of
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279:. Vol. 2 (7 ed.). London: Virtue and Co. p. 389.
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Der
Dampfbetrieb der schweizerischen Eisenbahnen 1847–1966
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as an ordinary steam engine with no electric heating.
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Steam turbine locomotive § Electric transmission
16:Steam locomotive with boiler heated electrically
42:that uses electricity to heat the water in the
181:locomotives, such as the rack locomotives of
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162:type 8-4-0 but its intended use is unknown.
30:SBB E 3/3 locomotive in electric-steam form
385:. Loco locos. 7 Jan 2010. Archived from
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383:"The Swiss Electric-Steam Locomotives"
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135:was retained, usually keeping hot
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256:Steam turbine electric locomotive
210:steam-powered 00 gauge locomotive
409:Pictures on www.douglas-self.com
251:List of steam technology patents
299:"Espacenet - Original document"
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170:A conventional coal-fired or
275:Bell, Arthur Morton (1949).
414:Elektrische Dampflokomotive
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36:electric-steam locomotive
19:Not to be confused with
148:Sursee–Triengen railway
98:. Power was taken from
70:By the outbreak of the
183:Brienz–Rothorn railway
80:Swiss Federal Railways
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313:"Pre-heating Systems"
241:Electric steam boiler
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434:Electric locomotives
362:The Railway Magazine
189:'s modernised class
246:Heilmann locomotive
236:Electric locomotive
208:released its first
166:Electric pre-heater
129:fireless locomotive
49:electric locomotive
389:on 18 October 2010
353:Additional reading
204:In September 2003
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429:Steam locomotives
82:fitted two small
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72:Second World War
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342:"OO Live Steam"
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391:. Retrieved
387:the original
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179:Modern steam
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277:Locomotives
122:480 kW
76:electrified
59:Switzerland
423:Categories
262:References
216:Literature
104:15 kV
96:pantograph
393:22 August
375:0033-8923
172:oil-fired
285:67533830
230:See also
160:Crampton
88:shunters
133:firebox
115:⁄
94:with a
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197:Models
154:Canada
137:embers
86:steam
44:boiler
191:52.80
92:E 3/3
84:0-6-0
38:is a
395:2011
371:ISSN
281:OCLC
185:and
53:coal
367:155
187:DLM
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34:An
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