imported>USMSSTachyden: Updated short description

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Updated short description

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{{Short description|Class of german 4-6-2 steam locomotives}}
{{more footnotes needed|date=December 2014}}
{{Infobox locomotive
| name = DRB Class 01.10 DB Class 011, 012
| bgcolor = A00
| color = FFF
| image = 01-1102-am-12-09-09-SEH.jpg
| alt =
| caption = Preserved 01 1102 with restored streamlining
| powertype = Steam
| designer =
| builder = [[Berliner Maschinenbau]]
| ordernumber =
| serialnumber = 11000, 11308–11361
| buildmodel =
| builddate = 1939–1940
| totalproduction = 55
| rebuilder =
| rebuilddate =
| numberrebuilt =
| whytetype = {{whyte|4-6-2}}
| uicclass = 2{{prime}}C1{{prime}} h3
| DRGtype = S 36.20
| driver = Divided: inside cylinder on 1st, outside cylinders on 2nd
| gauge = {{track gauge|sg}}
| leadingdiameter = {{convert|1000|mm|ftin|frac=8|abbr=on}}
| driverdiameter = {{convert|2000|mm|ftin|frac=8|abbr=on}}
| trailingdiameter = {{convert|1250|mm|ftin|frac=8|abbr=on}}
| tenderdiameter = {{convert|1000|mm|ftin|frac=8|abbr=on}}
| carrydiameter =
| minimumcurve =
| wheelbase =
| engine total = {{convert|12400|mm|ftin|frac=8|abbr=on}}
| leading =
| drivers = 
| coupled = 
| trailing =
| tender total = {{convert|6000|mm|ftin|frac=8|abbr=on}}
| tendertruck = 
| tenderbogie = 
| wheelbasewithtender = {{convert|20370|mm|ftin|frac=8|abbr=on}}
| 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}}}}
| length =
| over buffers = {{convert|24130|mm|ftin|frac=4|abbr=on}}
| over headstocks = {{convert|22830|mm|ftin|frac=4|abbr=on}}
| width =
| height =
| frametype =
| axleload = {{convert|20.1|t}}
| leadingbogie/pony= 
| coupled all = 
| coupled 1 = 
| coupled 2 = 
| coupled 3 = 
| trail bogie/pony= 
| tenderbogieload = 
| tenderaxle = 
| weightondrivers = {{convert|60.2|t}}
| emptyweight = {{convert|103.1|t}}
| serviceweight = {{convert|114.3|t}}
| locoweight =
| tenderweight =
| locotenderweight =
| tendertype = 2{{prime}}3 T 38
| fueltype =
| fuelcap = {{convert|10.0|t}} [[coal]] or {{convert|13500|L|sigfig=3|abbr=on}} [[fuel oil]]
| watercap = {{convert|38.0|m3|impgal usgal|abbr=on}}
| tendercap =
| sandcap =
| fireboxtype = 
| firearea = {{convert|4.32|m2|abbr=on}}
| boiler = 
| boilertype = 
| pitch = 
| diameterinside =
| lengthinside = {{convert|6800|mm|in|frac=16|abbr=on}}
| smalltubediameter= {{convert|70|mm|in|frac=16|abbr=on}}, 106 off
| largetubediameter= {{convert|171|mm|in|frac=16|abbr=on}}, 24 off
| boilerpressure = {{convert|16|bar|kgf/cm2 psi|sigfig=3|abbr=on}}
| safetyvalvetype = 
| feedwaterheater =
| fireboxarea = {{convert|16.9|m2|abbr=on}}
| tubearea = {{convert|147|m2|abbr=on}}
| archarea =
| fluearea = {{convert|83|m2|abbr=on}}
| tubesandflues =
| totalsurface = {{convert|246.9|m2|abbr=on}}
| superheatertype =
| superheaterarea =
| cylindercount = Three
| cylindersize = {{convert|500|x|660|mm|in|frac=16|abbr=on}}
| cylinderpressure =
| valvegear = [[Walschaerts]] (Heusinger)
| valvetype =
| valvetravel =
| valvelap =
| valvelead =
| transmission =
| trainheating =
| locobrakes = Knorr, single-chamber, [[compressed air brakes]] acting on both sides of [[coupled wheels]] + compressed air quick-acting brakes on [[driving wheels|driving]] and tender wheels
| locobrakeforce =
| trainbrakes =
| safety =
| coupling =
| maxspeed = {{ubl|Forwards: {{convert|150|or|140|km/h|mph|0|abbr=on}}|Reverse: {{convert|50|km/h|mph|0|abbr=on}}}}
| indicatedpower = {{ubl|{{convert|1559|kW|PS hp|sigfig=3|abbr=on}}|{{convert|1728|kW|PS hp|sigfig=3|abbr=on}} (coal, with ''Austausch'' boiler)|{{convert|1817|kW|PS hp|sigfig=3|abbr=on}} (oil, with ''Austausch'' boiler)}}
| tractiveeffort =
| factorofadhesion =
| operator =
| operatorclass =
| powerclass =
| numinclass =
| fleetnumbers = {{ubl|DRG: 01 1001, 01 1052 – 01 1105|DB (from 1968): 011 062-7 ... 011 099-9, 012 001-4, 012 052-7 ... 012 105-3}}
| officialname =
| nicknames =
| axleloadclass =
| locale =
| deliverydate =
| firstrundate =
| lastrundate =
| retiredate = 1975
| withdrawndate =
| preservedunits =
| restoredate =
| scrapdate =
| currentowner =
| disposition = 10 preserved, remainder scrapped
| notes =
}}
[[File:011066 Schiefe Ebene Nov 2016 480p.webm|thumb|300px|01 1066 climbing the [[Schiefe Ebene]] (37 MB)]]
[[File:012_at_Rheine,_1973.jpg|thumb|012 055-0 light engine at Rheine, August 1973]]
[[File:Dampflok 012 100-4 Flensburg2007.jpg|thumb|Preserved 012 100-4 (aka 01 1100) at [[Flensburg]], 2007. ]]

The [[Deutsche Reichsbahn-Gesellschaft|Deutsche Reichsbahn]] '''Class 01.10''' was a series of express steam locomotives. Developed at the end of the 1930s it was part of the standard locomotive programme (''[[Einheitsdampflokomotive]]n''). Modernized in the 1950s, the class lasted almost until the end of steam operation at the West German [[Deutsche Bundesbahn|Deutsche Bundesbahn (DB)]].

== History ==
With the introduction of high speed services on an increasing number of lines Deutsche Reichsbahn required powerful express [[steam locomotives]]. They should be capable of a top speed of 150 km/h and of hauling trains of 500 tonnes at 120 km/h, as well as trains of 350 tonnes at 100 km/h up a 5 ‰ inclines. This was more than the existing [[DRG Class 01|Class 01]] and [[DRG Class 03|03]] two-cylinder engines could cope with, having no sufficient power reserves and rough riding qualities at higher speed, Hence the 01.10 was designed with a three-cylinder layout. Furthermore, they were equipped with a [[Streamliner|streamlined]] casing to reduce [[Drag (physics)|air resistance]]. [[Friction|Frictional losses]] were minimized by the use of [[roller bearing]]s on the driving and coupling rods.

Out of a perceived requirement for 400 locomotives, 204 were initially ordered in 1939 from all major German locomotive manufacturers. However, as a result of the [[Second World War]] only 55 were eventually delivered, all of which came from [[Berliner Maschinenbau]].

The Class 01.10 was delivered to the following locomotive sheds (''[[Bahnbetriebswerke]]''): [[Leipzig]] Hbf West, Berlin [[Anhalter Bahnhof]], [[Halle (Saale)|Halle]], [[Hamburg-Altona]], [[Hannover]]-Ost, [[Bebra]], [[Erfurt]] P, [[Dresden]]-Altstadt, [[Frankfurt (Oder)|Frankfurt/Oder]] Pbf [[Würzburg]] and [[Munich]] as well as the [[Lokomotiv-Versuchsamt Grunewald|Grunewald Locomotive Research Office]]. During the war, some of the locomotives were transferred to [[Breslau]] and [[Kattowitz]] .

In 1944 all engines of the class were moved to western Germany due to the course of the war.

After the [[Second World War]] the engines were in a pitiful state. Parts of their streamlined claddings were missing and the [[boilers]], made of steel that was not age-resistant, showed signs of fatigue. On 20 June 1945 the entire class was temporarily withdrawn, having run less than 500,000 km. However, as a result of the post-war locomotive shortage, the class was partially reprieved and several engines with minor damages were overhauled. However the majority of engines remained sidelined until 1949. In that year it was decided that all but one locomotives (the finally retired 01 1067), should be refurbished. The streamlined casings were completely removed and Witte [[smoke deflectors]] fitted. The new front view looked unusual for a German steam engine with the [[smokebox]] door being cut off in the upper third to provide space for the retained [[feedwater heater]]. Only two engines were provided with the usual circular smokebox door.

However, the problem of the boiler being made of non-durable ''St 47 K'' steel remained. Because the engines were by far too young to be written off, they received all-new welded high-performance boilers. These were built by [[Henschel]] of Kassel between 1953 and 1956 and installed at the [[Braunschweig|Brunswick]] rmaintenance works, along with a mixing preheater system.

Additionally in 1956 engine 01 1100 received an oil-firing, enhancing its performance considerably. Oil-firing allows for a better control of the grate and could be more easily adapted to respective operating conditions. The engines were therefore more economical than coal-fired locomotives. Working conditions for firemen were also improved. Fuel oil, then available as a waste product, was used for firing. Following their positive experience with 01 1100, the DB decided in 1957 to convert another 33 locomotives of this class to oil-firing.

In 1968, as part of a renumbering scheme to conform with [[electronic data processing]] (EDP), the remaining coal-fired locomotives were given the class designation ''011'' while the oil-fired engines were now class ''012.''

The locomotives were used on all important main lines until electrification, for example on the [[Würzburg]]–[[Hamburg]] or [[Hamm, North Rhine-Westphalia|Hamm]]–Hamburg routes. Towards the end they were deployed on the [[Marsh Railway|Hamburg–Westerland]] and [[Emsland Railway|Rheine–Norddeich lines]].

On 31 May 1975, the remaining engines from [[Rheine]] shed ran the last scheduled services, being celebrated by a large number of railway enthusiasts.<ref>{{Cite book|title=Schwanengesang - Swansong|last=Brown|first=Anthony|publisher=DGEG-Medien|year=2011|isbn=978-3-937189-62-8|location=Hövelberg}}</ref>
On 1 June 1975, a special ran from Rheine at 06:50 for the railway families to Emden. It was hauled by 012 061.

{| class="wikitable" style="text-align:center"
|+ Table of withdrawals
! Year !! Coal-fired locomotives at start of year !! Oil-fired locomotives at start of year !! Quantity withdrawn !! Locomotive numbers
|-
| 1968 || 20 || 34 || 6 || align=left | 011 053/087/094/097, 012 079/089.
|-
| 1969 || 16 || 32 || 8 || align=left | 011 069/078/083/086/090/096/097/099.
|-
| 1970 || 8 || 32 || 4 || align=left | 011 070/093/098, 012 088.
|-
| 1971 || 5 || 31 || 7 || align=left | 011 056/065/091, 012 057/059/076/085.
|-
| 1972 || 2 || 27 || 10 || align=left | 011 072, 012 001/052/054/060/064/053/074/103/105.
|-
| 1973 || 1 || 18 || 6 || align=left | 011 062, 012 058/071/084/092/102.
|-
| 1974 || 0 || 13 || 5 || align=left | 012 068/077/082/101/104.
|-
| 1975 || 0 || 8 || 8 || align=left | 012 055/061/063/066/075/080/081/100.
|-
|}

== Preserved locomotives ==
[[File:011066 Schiefe Ebene Nov 5 2016.png|thumb|01 1066 climbing the [[Schiefe Ebene]] incline in November 2016. The engine has since been withdrawn.]]
Thanks to their relatively recent withdrawal from service, ten of these locomotives have been preserved.

As of October 2019 four Class 01.10 engines are on display at museums:

* 01 1056 is stored in the open at the [[Darmstadt-Kranichstein Railway Museum]].<ref>{{Cite web|url=https://www.bahnwelt.de/1/01-1056|title=www.bahnwelt.de - 01 1056|website=www.bahnwelt.de|access-date=2019-10-09|archive-date=2019-10-09|archive-url=https://web.archive.org/web/20191009133549/https://www.bahnwelt.de/1/01-1056|url-status=dead}}</ref> It is the only surviving 01.10 engine that was never converted to oil firing.
* 01 1061 is on display at the [[German Steam Locomotive Museum]] in [[Neuenmarkt]]-[[Wirsberg]].<ref>{{Cite web|url=https://www.dampflokmuseum.de/das-museum/exponate/dampfloks-normalspur/01-1061-der-starke-renner/|title=Deutsches Dampflok Museum: 01 1061: Der starke Renner|website=www.dampflokmuseum.de|access-date=2019-10-09|archive-date=2019-10-09|archive-url=https://web.archive.org/web/20191009133557/https://www.dampflokmuseum.de/das-museum/exponate/dampfloks-normalspur/01-1061-der-starke-renner/|url-status=dead}}</ref>
* 01 1081 is being cosmetically restored at the [[South German Railway Museum]].
* 01 1082 is part of the railway exhibition at the [[German Museum of Technology]].<ref>{{Cite web|url=https://sdtb.de/technikmuseum/ausstellungen/94/|title=Deutsches Technikmuseum - Schienenverkehr|website=sdtb.de|access-date=2019-10-09}}</ref>

Please note: Only the museums at Berlin and Neuenmarkt-Wirsberg are open on a daily basis (except Mondays).

The other remaining engines are:
[[File:2018 05 28 012 082 on turntable.jpg|thumb|Preserved 012 082 (01 1082) on the turntable at the [[German Museum of Technology]], May 2018.]]

* 01 1063 is plinthed near [[Braunschweig]] main station. Until the 1970s Braunschweig was the location of vast railway maintenance works, responsible for the 01.10 class.
* 01 1066 of the [[Ulm Railway Friends]]. It saw about 20 years of mainline heritage service but was withdrawn in 2016 for a major overhaul.
* 01 1075 is operational and based in [[Rotterdam]] (Netherlands), belonging to the ''[[Stoom Stichting Nederland]].'' It was re-converted to coal-firing.
* 01 1100 belongs to the [[Deutsche Bahn AG]]. It was restored to working order for the 1985 anniversary of German railways but is currently stored "out of ticket" at Koblenz.
* 01 1102 is privately owned. In 1995 it was restored to operational condition at [[Meiningen Steam Locomotive Works]]. This included the recreation of the 1930s streamlined casing and a fictitious steel blue livery. It is out of service since 2004.
*01 1104 was acquired by [[Steamtown, Carnforth|Steamtown Carnforth]] (UK) in 1975 and stored there until 1996. Subsequently, repatriated to Germany, it is likely to steam again in 2020.<ref>{{Cite web|url=https://www.national-preservation.com/threads/01-1104.1050668/|title=01 1104|website=National Preservation|language=en-US|access-date=2019-10-09}}</ref>

== See also ==
* [[Deutsche Reichsbahn]]
* [[List of DRG locomotives and railbuses]]

== References ==
{{reflist}}
{{refbegin}}
* {{cite book| first1=Gerhard| last1=Greß| first2=Jörg| last2=Sauter| title=Die Baureihe 01.10. Von der Stromlinienlok zum DB-Renner| publisher=EK-Verlag| location=Freiburg| year=2001| isbn=3-88255-216-6}}
* {{Hütter-01bis45|pages=69–72}}
* {{cite book| first=Peter| last=Konzelmann| title=Die Baureihe 01.10| series=Deutsche Dampflokomotiven| volume=4| publisher=Arbeitsgemeinschaft Eisenbahn-Kurier e.V.| location=Solingen| year=1973}}
* {{cite book| first=Horst J.| last=Obermayer| title=Baureihe 01.10.| publisher=transpress Fahrzeugportrait| location=Stuttgart| year=2000| isbn=3-613-71138-9}}
* {{cite book| first=Jörg| last=Sauter| title=Die Schnellzuglokomotiven der Ulmer Eisenbahnfreunde 01 1066, 01 509, 01 1081, 01 173| publisher=UEF| location=Leutkirch| year=1996}}
* {{Weisbrod-EFA1.1|pages=30–35, 242}}
{{refend}}

== External links ==
* [http://www.grand-express.eu Grand Express Europe] (DR Stromliniendampflok / Streamlinerlocomotiv DR 011102)
{{Commons category|DRG Class 01.10|Baureihe 01.10}}

{{DRG locomotives}}

[[Category:Steam locomotives of Germany|01.10]]
[[Category:4-6-2 locomotives]]
[[Category:Deutsche Reichsbahn-Gesellschaft locomotives|01.10]]
[[Category:Railway locomotives introduced in 1939]]
[[Category:Streamlined steam locomotives]]
[[Category:Berliner locomotives]]
[[Category:Standard-gauge locomotives of Germany]]
[[Category:2′C1′ h3 locomotives]]
[[Category:Passenger locomotives]]

DRB Class 01.10 - Revision history

imported>USMSSTachyden: Updated short description