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{{no footnotes|date=December 2014}}
{{no footnotes|date=December 2014}}
{{Infobox Schienenfahrzeug
{{Infobox locomotive
| name = DR Class 01.5
| boxtype=locomotive
| bgcolor = A00
|Farbe1=a00
| color = FFF
|Farbe2=fff
| image = BR 01 519 plandampf schifferstadt 100 2076.jpg
|Baureihe=DR Class 01.5
| alt =
|Abbildung=BR 01 519 plandampf schifferstadt 100 2076.jpg
| caption = 01 519 at Schifferstadt, October 2005
|Name=
| powertype = Steam
|Nummerierung=Originally: 01 501 – 01 535<br/>from 1970:<br/>Oil-fired: 01 0501 – 01 0535<br/>Coal-fired: 01 1506 – 01 1519
| designer =
|Hersteller=
| builder =
|Baujahre=1962–1965
| ordernumber =
|Ausmusterung=1991
| serialnumber =
|Anzahl=
| buildmodel =
|Wheel arrangement=[[4-6-2]]
| rebuilder =
|Achsformel=
| rebuilddate = 1962–1965
|Bauart= 2′C1′&nbsp;h2
| numberrebuilt = 35
|Gattung=S 36.20
| website =
|Spurweite={{track gauge|sg}}
| whytetype = {{whyte|4-6-2}}
|VorneLaufraddurchmesser={{convert|1000|mm|ftin|frac=8|abbr=on}}
| uicclass = 2′C1′ h2
|HintenLaufraddurchmesser={{convert|1250|mm|ftin|frac=8|abbr=on}}
| DRGtype = S 36.20
|Kuppelraddurchmesser={{convert|2000|mm|ftin|frac=8|abbr=on}}
| driver = <!-- e.g. 1st, 2nd or 3rd coupled axle -->
|Laufraddurchmesser=
| gauge = {{track gauge|sg}}
|Anfahrzugkraft=
| leadingdiameter = {{convert|1000|mm|ftin|frac=8|abbr=on}}
|Beschleunigung=
| driverdiameter = {{convert|2000|mm|ftin|frac=8|abbr=on}}
|Leistungskennziffer=
|Höchstgeschwindigkeit= {{ubl|forwards: {{convert|130|km/h|mph|0|abbr=on}}|backwards: {{convert|50|km/h|mph|0|abbr=on}}}}
| trailingdiameter = {{convert|1250|mm|ftin|frac=8|abbr=on}}
| tenderdiameter = <!-- tender wheel diameter -->
|LängeÜberKupplung=
| carrydiameter =
|LängeÜberPuffer={{convert|24350|mm|ftin|frac=4|abbr=on}}
| minimumcurve =
|Länge=
| wheelbase =
|Höhe={{convert|4500|mm|ftin|frac=16|abbr=on}}
|Breite={{convert|3100|mm|ftin|frac=16|abbr=on}}
| engine total = {{convert|12400|mm|ftin|frac=8|abbr=on}}
| leading =
|Drehzapfenabstand=
| drivers = <!-- USA terminology -->
|AchsabstandDerFahrgestelle=
| coupled = <!-- British terminology -->
|Fester Radstand={{convert|4600|mm|ftin|frac=4|abbr=on}}
| trailing =
|Gesamtradstand={{convert|12400|mm|ftin|frac=4|abbr=on}}
| tender total =
|RadstandMitTender={{convert|20320|mm|ftin|frac=4|abbr=on}}
| tendertruck = <!-- USA terminology -->
|Leermasse={{convert|98.9|t}}
| tenderbogie = <!-- British terminology -->
|Dienstmasse = {{convert|110.0|t}}
| wheelbasewithtender = {{convert|20320|mm|ftin|frac=8|abbr=on}}
|DienstmasseMitTender = {{ubl|Coal-fired: {{convert|183.48|t}}|Oil-fired: {{convert|189.93|t}}}}
| wheelspacing = {{ubl|{{convert|2200|mm|ftin|frac=8|abbr=on}} +|{{convert|1800|mm|ftin|frac=8|abbr=on}} +|{{convert|2300|mm|ftin|frac=8|abbr=on}} +|{{convert|2300|mm|ftin|frac=8|abbr=on}} +|{{convert|3800|mm|ftin|frac=8|abbr=on}}}}
|Reibungsmasse={{convert|60.4|t}}
| length =
|Radsatzfahrmasse={{convert|20.1|t}}
| over buffers = {{convert|24350|mm|ftin|frac=8|abbr=on}}
|Antrieb=
| over headstocks = {{convert|23050|mm|ftin|frac=8|abbr=on}}
|Geschwindigkeitsmesser=
| width = {{convert|3100|mm|ftin|frac=16|abbr=on}}
|Steuerung=
| height = {{convert|4500|mm|ftin|frac=16|abbr=on}}
|Übersetzungsstufen=
| frametype =
|Kupplungstyp=
| axleload = {{convert|20.1|t}}
|Bremsen=
| leadingbogie/pony= <!-- load on leading bogie or pony wheel -->
|Zusatzbremse=
| coupled all = <!-- when the load on all coupled wheels are the same -->
|Feststellbremse=
| coupled 1 = <!-- load on 1st coupled wheel -->
|Zugheizung=Steam
| coupled 2 = <!-- load on 2nd coupled wheel -->
|Lokbremse=
| coupled 3 = <!-- etc. -->
|Zugbremse=
| trail bogie/pony= <!-- load on trailing bogie or pony wheel -->
|Zugsicherung=
| tenderbogieload = <!-- load per tender bogie, use "Truck 1:<br/>Bogie 2:" if different -->
|Halbmesser=
| tenderaxle = <!-- use "Axle 1:", etc with "<br/>" for line breaks -->
|Besonderheiten=
| weightondrivers = {{convert|60.4|t}}
|Zylinderanzahl=Two, outside
|Zylinderdurchmesser = {{convert|600|mm|in|frac=16|abbr=on}}
| emptyweight = {{convert|98.9|t}}
| serviceweight = {{convert|110.0|t}}
|NDZylinderdurchmesser=
| locoweight =
|HDZylinderdurchmesser=
| tenderweight =
|Kolbenhub={{convert|660|mm|in|frac=16|abbr=on}}
| locotenderweight = {{ubl|''Coal-fired:'' {{convert|183.48|t}}|''Oil-fired:'' {{convert|189.93|t}}}}
|Kessel=
| tendertype =
|Kessellänge=
| fueltype = 2′2′&nbsp;T&nbsp;34
|Kesseldruck= {{convert|16|bar|MPa psi|sigfig=3|abbr=on}}
| fuelcap = {{ubl|Coal: {{convert|10|t}} '''or'''|Fuel oil: {{convert|13.5|m3|impgal usgal|abbr=on}}}}
|AnzahlHeizrohre=125
|Heizrohrlänge={{convert|5500|mm|ftin|frac=4|abbr=on}}
| watercap = {{convert|34|m3|impgal usgal|abbr=on}}
| tendercap =
|Rostfläche={{convert|4.87|m2|abbr=on}}
| sandcap =
|Strahlungsheizfläche={{convert|23.5|m2|abbr=on}}
| fireboxtype = <!-- Round-top, Belpaire, combustion chamber, etc. -->
|Rohrheizfläche={{convert|301.0|m2|abbr=on}}
|Überhitzerfläche={{convert|97.5|m2|abbr=on}}
| firearea = {{convert|4.87|m2|abbr=on}}
| boiler = <!-- Watson Standard no. x, etc -->
|Verdampfungsheizfläche={{convert|224.5|m2|abbr=on}}
| boilertype = <!-- Domeless, etc -->
|IndizierteLeistung = {{convert|1839|kW|PS hp|abbr=on}}
| pitch = {{convert|3150|mm|ftin|frac=8|abbr=on}}
|Steuerungsart=[[Walschaerts]] (Heusinger)
| diameterinside =
|Zylinderdruck=
| lengthinside = {{convert|5500|mm|ftin|frac=8|abbr=on}}
|Tenderbauart=2′2′ T34
| smalltubediameter= {{convert|54|mm|in|frac=16|abbr=on}}, 125 off
|DienstmasseTender=
|Wasser={{convert|34|m3|abbr=on}} or {{convert|34000|l}}
| largetubediameter= {{convert|140|mm|in|frac=16|abbr=on}}, 43 off
|Brennstoff={{ubl|Coal: {{convert|10|t}} '''or'''|Fuel oil: {{convert|13.5|m3|abbr=on}} or {{convert|13500|l}}}}
| boilerpressure = {{convert|16|bar|kgf/cm2 psi|sigfig=3|abbr=on}}
| safetyvalvetype = <!-- Salter spring balance, Ramsbottom, Pop, etc. -->
| feedwaterheater =
| totalsurface = {{convert|224.5|m2|abbr=on}}
| tubearea = {{convert|103.7|m2|abbr=on}}
| archarea =
| fluearea = {{convert|97.3|m2|abbr=on}}
| tubesandflues =
| fireboxarea = {{convert|23.5|m2|abbr=on}}
| superheatertype =
| superheaterarea = {{convert|97.5|m2|abbr=on}}
| cylindercount = Two, outside
| cylindersize = {{convert|600|x|660|mm|in|frac=16|abbr=on}}
| cylinderpressure =
| valvegear = [[Walschaerts]] (Heusinger)
| valvetype =
| valvetravel =
| valvelap =
| valvelead =
| transmission =
| trainheating = Steam
| locobrakes =
| locobrakeforce =
| trainbrakes =
| safety =
| coupling =
| maxspeed = {{ubl|forwards: {{convert|130|km/h|mph|0|abbr=on}}|backwards: {{convert|50|km/h|mph|0|abbr=on}}}}
| indicatedpower = {{convert|1839|kW|PS hp|abbr=on}}
| tractiveeffort =
| factorofadhesion =
| operator =
| operatorclass =
| powerclass =
| numinclass =
| fleetnumbers = Originally: 01 501 – 01 535<br/>from 1970:<br/>Oil-fired: 01 0501 – 01 0535<br/>Coal-fired: 01 1506 – 01 1519
| officialname =
| nicknames =
| axleloadclass =
| locale =
| deliverydate =
| firstrundate =
| lastrundate =
| retiredate = 1991
| withdrawndate =
| preservedunits =
| restoredate =
| scrapdate =
| currentowner =
| disposition =
| notes =
}}
}}
The '''DR Class 01.5''' was the designation given by the [[Deutsche Reichsbahn (GDR)|Deutsche Reichsbahn]] in [[East Germany]] to [[express train]] locomotives that were 'reconstructed' from those of the pre-war [[DRG Class 01]].
The '''DR Class 01.5''' was the designation given by the [[Deutsche Reichsbahn (GDR)|Deutsche Reichsbahn]] in [[East Germany]] to [[express train]] locomotives that were 'reconstructed' from those of the pre-war [[DRG Class 01]].
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== History ==
== History ==


[[File:001 0528-8 Honebach.jpg|thumb|left|01 0528-8 about to enter Honebach tunnel (near [[Bebra station]] and the DDR, Easter 1972]]
[[File:001 0528-8 Honebach.jpg|thumb|left|01 0528-8 about to enter Honebach tunnel (near [[Bebra station]] and the GDR, Easter 1972]]
In 1962 the repair shop (''Reichsbahnausbesserungswerk'') of [[RAW Meiningen]] rebuilt 35 [[DRG Class 01|Class 01]] engines. At that time the locomotives were still vital for heavy [[passenger train]] duties, but the [[locomotive frame]] and [[boiler]] were so worn that it was essential to replace them. Like the [[Deutsche Bundesbahn|DB]] rebuilds in [[West Germany]] after the [[Second World War]], only those locomotives with more powerful brakes (i.e. those from no. 01 102 onwards) and 1000&nbsp;mm [[carrying wheels]] were converted.
In 1962 the repair shop (''Reichsbahnausbesserungswerk'') of [[RAW Meiningen]] rebuilt 35 [[DRG Class 01|Class 01]] engines. At that time the locomotives were still vital for heavy [[passenger train]] duties, but the [[locomotive frame]] and [[boiler]] were so worn that it was essential to replace them. Like the [[Deutsche Bundesbahn|DB]] rebuilds in [[West Germany]] after the [[Second World War]], only those locomotives with more powerful brakes (i.e. those from no. 01 102 onwards) and 1000&nbsp;mm [[carrying wheels]] were converted.


The rebuild did not just involve the installation of a new boiler; the entire locomotive underwent modification. The most obvious external change was the steam space cover running the length of the boiler barrel and copied from the [[ČSD Class 477.0]], which lent the locomotives a sleek, modern appearance. The large [[smoke deflector]]s too were replaced by smaller ones with the upper front corners clipped off at an angle.
The rebuild did not just involve the installation of a new boiler; the entire locomotive underwent modification. The most obvious external change was the steam space cover running the length of the boiler barrel and copied from the [[ČSD Class 477.0]], which lent the locomotives a sleek, modern appearance. The large [[smoke deflector]]s too were replaced by smaller ones with the upper front corners clipped off at an angle.


The new boiler made the so-called ''Reko-01'' (''Reko'' is short for ''[[Rekolokomotive]]'') into the most powerful German express train steam locomotive. In addition to a [[combustion chamber]] and the well-known IfS mixer-preheater, the 01.5's boiler was fitted with three full bore boiler safety valves (Ackermann valves, nominal width 60). The engines were given [[Trofimoff valve]]s and, apart from 01 501 and 01 520, new welded [[cylinder (locomotive)|cylinder]]s. The new boiler came with a new, welded driver's cab with upholstered seats, side-pull regulator and other improvements to the working conditions of the locomotive crew, as well as an [[Indusi]] system. The latter was required for the border-crossing traffic to [[Bebra]] and [[Hamburg-Altona]] and services on the [[Dresden]]-[[Berlin]] line. Because the [[coupled wheel]]sets on many engines had to be replaced due to fractured spokes, eight examples were fitted with [[Boxpok wheel]]s made of cast iron, like those already used in the [[Soviet Union]] and the United States. These did not prove themselves, however, due to manufacturing defects and were later swapped out for spoked wheels from retired 01s. In order to hide the ugly wheelsets, the Boxpok locomotives and several other vehicles were fitted with full skirts.
The new boiler made the so-called ''Reko-01'' (''Reko'' is short for ''[[Rekolokomotive]]'') into the most powerful German express train steam locomotive. In addition to a [[Firebox (steam engine)#Combustion chamber|combustion chamber]] and the well-known IfS mixer-preheater, the 01.5's boiler was fitted with three full bore boiler safety valves (Ackermann valves, nominal width 60). The engines were given [[Trofimoff valve]]s and, apart from 01 501 and 01 520, new welded [[cylinder (locomotive)|cylinder]]s. The new boiler came with a new, welded driver's cab with upholstered seats, side-pull regulator and other improvements to the working conditions of the locomotive crew, as well as an [[Indusi]] system. The latter was required for the border-crossing traffic to [[Bebra]] and [[Hamburg-Altona]] and services on the [[Dresden]]-[[Berlin]] line. Because the [[coupled wheel]]sets on many engines had to be replaced due to fractured spokes, eight examples (502, 504, 508, 509, 511, 513, 517, 518) were fitted with [[Boxpok wheel]]s made of cast iron, like those already used in the [[Soviet Union]] and the United States. These did not prove themselves, however, due to manufacturing defects and were later swapped out for spoked wheels from retired 01s. In order to hide the ugly wheelsets, the Boxpok locomotives and several other vehicles were fitted with full skirts.


[[File:DR 01.5 Bebra 1972.jpg|thumb|left|01 0507-1 with Boxpok wheels, 1972]]
[[File:DR 01.5 Bebra 1972.jpg|thumb|left|01 0507-1 with Boxpok wheels, 1972]]
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== Accident ==
== Accident ==


Number 01&nbsp;516, at the time already sporting its computer number 01&nbsp;1516-2, achieved regrettable notoriety, when on 7 November 1977 its boiler exploded at [[Bitterfeld]] station due to a lack of water, killing not only the crew of 2, but another 7 bystanders, and injuring more than 50 people. This was the last boiler explosion in Germany. Such a mishap had been seen at the time as inconceivable because the technical condition of the boilers was checked thoroughly and it was believed that appropriately trained crews - not least for their own interests - would follow the proper safety procedures.
Number 01&nbsp;516, at the time already sporting its computer number 01&nbsp;1516-2, achieved regrettable notoriety, when on 27 November 1977 its boiler exploded at [[Bitterfeld]] station due to a lack of water, killing not only the crew of 2, but another 7 bystanders, and injuring more than 50 people. This was the last boiler explosion in Germany. Such a mishap had been seen at the time as inconceivable because the technical condition of the boilers was checked thoroughly and it was believed that appropriately trained crews - not least for their own interests - would follow the proper safety procedures.


On a similar journey with experienced staff in spring 1978 an attempt was made to investigate the circumstances of the accident. The DR's investigation report, which was not made public, showed that the regular engine driver was being retrained as an electric locomotive driver and had been replaced by an engine driver who was more actively involved in everything. Because the stoker formed a close-knit team with his regular driver and was not used to this situation, a lack of communication led to a shortage of water on the approach to Bitterfeld station.
On a similar journey with experienced staff in spring 1978 an attempt was made to investigate the circumstances of the accident. The DR's investigation report, which was not made public, showed that the regular engine driver was being retrained as an electric locomotive driver and had been replaced by an engine driver who was more actively involved in everything. Because the stoker formed a close-knit team with his regular driver and was not used to this situation, a lack of communication led to a shortage of water on the approach to Bitterfeld station.
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== Preserved locomotives ==
== Preserved locomotives ==
Five DR Class 01.5 steam locomotives have been preserved (as at 08/2008):
Five DR Class 01.5 steam locomotives have been preserved:
[[Image:OeGEG 01.533.jpg|thumb|left|ÖGEG 01.533]]
[[Image:OeGEG 01.533.jpg|thumb|left|ÖGEG 01.533]]
* 01 509 – ''[[Preßnitztalbahn]]'', oil-fired, currently being refurbished at the [[Meiningen Steam Locomotive Works]]
* 01 509 – ''[[Preßnitztalbahn]]'', oil-fired, operational
* 01 514 – [[Technik Museum Speyer]]
* 01 514 – [[Technik Museum Speyer]]
* 01 519 – ''[[Zollernbahn]]'' Railway Friends
* 01 519 – ''[[Zollernbahn]]'' Railway Friends
* 01 531 – [[Nuremberg Transport Museum|DB Museum]]; museum loco at [[Arnstadt]] locomotive depot.
* 01 531 – [[Nuremberg Transport Museum|DB Museum]]; museum loco at [[Arnstadt]] locomotive depot.
* 01 533 – [[ÖGEG]] / Austria (operational)
* 01 533 – [[ÖGEG]] / Austria


== Fleet list ==
== Fleet list ==
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* [[List of East German Deutsche Reichsbahn locomotives and railbuses]]
* [[List of East German Deutsche Reichsbahn locomotives and railbuses]]
* [[Rekolok]]
* [[Rekolok]]

== Weblinks ==
[https://www.eisenbahnfreunde-berlin.net/en/dr-class-01-5/ DR Class 01.5] - The high performance version


== Literature ==
== Literature ==
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* {{cite book| last=Endisch| first=Dirk| title=Baureihe 01.5| edition=1st| publisher=transpress| location=Stuttgart| year=2001| isbn=3-613-71167-2| language=de}}
* {{cite book| last=Endisch| first=Dirk| title=Baureihe 01.5| edition=1st| publisher=transpress| location=Stuttgart| year=2001| isbn=3-613-71167-2| language=de}}
* {{cite book| last1=Weisbrod| first1=Manfred| last2=Rittig| first2=Franz| title=Reko-Lokomotiven – Eisenbahn-Journal Spezial| publisher=Verlagsgruppe Bahn| location=Fürstenfeldbruck| year=2002| isbn=3-89610-092-0| language=de}}
* {{cite book| last1=Weisbrod| first1=Manfred| last2=Rittig| first2=Franz| title=Reko-Lokomotiven – Eisenbahn-Journal Spezial| publisher=Verlagsgruppe Bahn| location=Fürstenfeldbruck| year=2002| isbn=3-89610-092-0| language=de}}
* {{Weisbrod-EFA1.1 |pages=26–29, 241}}


{{Commons category|DR Class 01.5}}
{{Commons category|DR Class 01.5}}

Latest revision as of 11:34, 13 May 2024

DR Class 01.5
01 519 at Schifferstadt, October 2005
Type and origin
Power typeSteam
Rebuild date1962–1965
Number rebuilt35
Specifications
Configuration:
​
 • Whyte4-6-2
 • UIC2′C1′ h2
 • GermanS 36.20
Gauge1,435 mm (4 ft 8+1⁄2 in)
Leading dia.1,000 mm (3 ft 3+3⁄8 in)
Driver dia.2,000 mm (6 ft 6+3⁄4 in)
Trailing dia.1,250 mm (4 ft 1+1⁄4 in)
Wheelbase:​
 • Axle spacing
(Asymmetrical)
  • 2,200 mm (7 ft 2+5⁄8 in) +
  • 1,800 mm (5 ft 10+7⁄8 in) +
  • 2,300 mm (7 ft 6+1⁄2 in) +
  • 2,300 mm (7 ft 6+1⁄2 in) +
  • 3,800 mm (12 ft 5+5⁄8 in)
 • Engine12,400 mm (40 ft 8+1⁄4 in)
 • incl. tender20,320 mm (66 ft 8 in)
Length:
​
 • Over headstocks23,050 mm (75 ft 7+1⁄2 in)
 • Over buffers24,350 mm (79 ft 10+5⁄8 in)
Width3,100 mm (10 ft 2+1⁄16 in)
Height4,500 mm (14 ft 9+3⁄16 in)
Axle load20.1 tonnes (19.8 long tons; 22.2 short tons)
Adhesive weight60.4 tonnes (59.4 long tons; 66.6 short tons)
Empty weight98.9 tonnes (97.3 long tons; 109.0 short tons)
Service weight110.0 tonnes (108.3 long tons; 121.3 short tons)
Total weight
  • Coal-fired: 183.48 tonnes (180.58 long tons; 202.25 short tons)
  • Oil-fired: 189.93 tonnes (186.93 long tons; 209.36 short tons)
Fuel type2′2′ T 34
Fuel capacity
  • Coal: 10 tonnes (9.8 long tons; 11 short tons) or
  • Fuel oil: 13.5 m3 (3,000 imp gal; 3,600 US gal)
Water cap.34 m3 (7,500 imp gal; 9,000 US gal)
Firebox:​
 • Grate area4.87 m2 (52.4 sq ft)
Boiler:
​
 • Pitch3,150 mm (10 ft 4 in)
 • Tube plates5,500 mm (18 ft 1⁄2 in)
 • Small tubes54 mm (2+1⁄8 in), 125 off
 • Large tubes140 mm (5+1⁄2 in), 43 off
Boiler pressure16 bar (16.3 kgf/cm2; 232 psi)
Heating surface:​
 • Firebox23.5 m2 (253 sq ft)
 • Tubes103.7 m2 (1,116 sq ft)
 • Flues97.3 m2 (1,047 sq ft)
 • Total surface224.5 m2 (2,416 sq ft)
Superheater:
​
 • Heating area97.5 m2 (1,049 sq ft)
CylindersTwo, outside
Cylinder size600 mm × 660 mm (23+5⁄8 in × 26 in)
Valve gearWalschaerts (Heusinger)
Train heatingSteam
Performance figures
Maximum speed
  • forwards: 130 km/h (81 mph)
  • backwards: 50 km/h (31 mph)
Indicated power1,839 kW (2,500 PS; 2,466 hp)
Career
NumbersOriginally: 01 501 – 01 535
from 1970:
Oil-fired: 01 0501 – 01 0535
Coal-fired: 01 1506 – 01 1519
Retired1991

The DR Class 01.5 was the designation given by the Deutsche Reichsbahn in East Germany to express train locomotives that were 'reconstructed' from those of the pre-war DRG Class 01.

History

[edit]
01 0528-8 about to enter Honebach tunnel (near Bebra station and the GDR, Easter 1972

In 1962 the repair shop (Reichsbahnausbesserungswerk) of RAW Meiningen rebuilt 35 Class 01 engines. At that time the locomotives were still vital for heavy passenger train duties, but the locomotive frame and boiler were so worn that it was essential to replace them. Like the DB rebuilds in West Germany after the Second World War, only those locomotives with more powerful brakes (i.e. those from no. 01 102 onwards) and 1000 mm carrying wheels were converted.

The rebuild did not just involve the installation of a new boiler; the entire locomotive underwent modification. The most obvious external change was the steam space cover running the length of the boiler barrel and copied from the ČSD Class 477.0, which lent the locomotives a sleek, modern appearance. The large smoke deflectors too were replaced by smaller ones with the upper front corners clipped off at an angle.

The new boiler made the so-called Reko-01 (Reko is short for Rekolokomotive) into the most powerful German express train steam locomotive. In addition to a combustion chamber and the well-known IfS mixer-preheater, the 01.5's boiler was fitted with three full bore boiler safety valves (Ackermann valves, nominal width 60). The engines were given Trofimoff valves and, apart from 01 501 and 01 520, new welded cylinders. The new boiler came with a new, welded driver's cab with upholstered seats, side-pull regulator and other improvements to the working conditions of the locomotive crew, as well as an Indusi system. The latter was required for the border-crossing traffic to Bebra and Hamburg-Altona and services on the Dresden-Berlin line. Because the coupled wheelsets on many engines had to be replaced due to fractured spokes, eight examples (502, 504, 508, 509, 511, 513, 517, 518) were fitted with Boxpok wheels made of cast iron, like those already used in the Soviet Union and the United States. These did not prove themselves, however, due to manufacturing defects and were later swapped out for spoked wheels from retired 01s. In order to hide the ugly wheelsets, the Boxpok locomotives and several other vehicles were fitted with full skirts.

01 0507-1 with Boxpok wheels, 1972

From locomotive number 01 519, all the locomotives were given oil-firing systems when rebuilt, which enabled a further increase in performance. Apart from the seven engines at Berlin Ostbahnhof locomotive depot, all the other engines were later converted to primary oil-firing. The tenders could carry 13.5 tonnes of heavy fuel oil. During the course of the oil crisis in the early 1980s all the oil-fired locomotives were withdrawn. All of the locomotives were originally meant to remain in service for two maintenance periods (each of 6 years), however every locomotive exceeded this. After they were withdrawn from active duty, several engines were used as heating locomotives. Number 01 519 was refurbished in 1990-91 from being a heating engine, and was made fully operational by the DR. It was not taken out of service until 1991.

Accident

[edit]

Number 01 516, at the time already sporting its computer number 01 1516-2, achieved regrettable notoriety, when on 27 November 1977 its boiler exploded at Bitterfeld station due to a lack of water, killing not only the crew of 2, but another 7 bystanders, and injuring more than 50 people. This was the last boiler explosion in Germany. Such a mishap had been seen at the time as inconceivable because the technical condition of the boilers was checked thoroughly and it was believed that appropriately trained crews - not least for their own interests - would follow the proper safety procedures.

On a similar journey with experienced staff in spring 1978 an attempt was made to investigate the circumstances of the accident. The DR's investigation report, which was not made public, showed that the regular engine driver was being retrained as an electric locomotive driver and had been replaced by an engine driver who was more actively involved in everything. Because the stoker formed a close-knit team with his regular driver and was not used to this situation, a lack of communication led to a shortage of water on the approach to Bitterfeld station.

The accident had no knock-on effect on the employment of steam locomotives in the GDR.

Preserved locomotives

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Five DR Class 01.5 steam locomotives have been preserved:

ÖGEG 01.533

Fleet list

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See also

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Literature

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  • Weisbrod, Manfred; Petznick, Wolfgang (1979). Baureihe 01 (in German). Berlin: transpress Verlag.
  • Großes Lok-Portrait 01.5 – EK-Themen 19 (in German). Freiburg: EK-Verlag. 1995.
  • Lucas, Volker; Schnabel, Heinz (2002). Die Baureihe 01.5. Die legendäre Reko-01 der Deutschen Reichsbahn (in German). Freiburg: EK-Verlag. ISBN 3-88255-113-5.
  • Endisch, Dirk (2001). Baureihe 01.5 (in German) (1st ed.). Stuttgart: transpress. ISBN 3-613-71167-2.
  • Weisbrod, Manfred; Rittig, Franz (2002). Reko-Lokomotiven – Eisenbahn-Journal Spezial (in German). Fürstenfeldbruck: Verlagsgruppe Bahn. ISBN 3-89610-092-0.
  • Weisbrod, Manfred; Müller, Hans; Petznik, Wolfgang (1976). Dampflokomotiven deutscher Eisenbahnen, Baureihe 01–39 (EFA 1.1) (in German) (3rd ed.). Düsseldorf: Alba Buchverlag. pp. 26–29, 241. ISBN 3-87094-081-6.
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