View source for Rumpler B.I

<!-- This article is a part of [[Wikipedia:WikiProject Aircraft]]. Please see [[Wikipedia:WikiProject Aircraft/page content]] for recommended layout. -->
{|{{Infobox Aircraft Begin
 | name= B.I
 | image=File:Deutscher Flugplatz, Stanislau. (BildID 15517648).jpg
 | caption=
}}{{Infobox Aircraft Type
 | type=Reconnaissance aircraft
 | national origin=Germany
 | manufacturer=[[Rumpler]]
 | designer=
 | first flight=1914
 | introduced=
 | retired=
 | status=
 | primary user=''[[Luftstreitkräfte]]''
 | number built=ca 225
 | developed from= 
 | variants with their own articles=
}}
|}

The '''Rumpler B.I''' (factory designation '''4A''') was a military [[reconnaissance]] aircraft produced in [[Germany]] during [[World War I]].<ref name="JEA">Taylor 1989, p.771</ref> 

==Design and development==
The B.I was a conventional two-bay [[biplane]] with unstaggered wings of unequal span.<ref name="IEA">''The Illustrated Encyclopedia of Aircraft'', p.2833</ref> It featured two open cockpits in tandem and fixed, tailskid undercarriage.<ref name="IEA"/> Its upper wing reflected the wing design of the [[Etrich Taube]] that Rumpler was building at the time.<ref name="GT518">Gray & Thetford 1962, p.518</ref>

Rumpler built 198 of these aircraft for the ''[[Luftstreitkräfte]]'', plus 26 [[seaplane]] versions for the [[Imperial German Navy]].<ref name="IEA"/>

==Variants==
* '''4A''' - landplane with [[Mercedes D.I]] engine, military designation '''B.I'''<ref name="GT518"/>
** '''4A13''' - B.I with balanced, comma-style rudder<ref name="GT519">Gray & Thetford 1962, p.519</ref>
** '''4A14''' - version with [[Benz Bz.III]] engine<ref name="GT520">Gray & Thetford 1962, p.520</ref>
* '''4B''' - seaplane
** '''4B1''' - version with Mercedes D.I engine<ref name="KS127">Kroschel & Stützer 1994, p.127</ref>
** '''4B2''' - version with Benz Bz.III engine<ref name="KS127"/>
** '''4B11''' - version with [[Benz Bz.I]] engine<ref name="GT520"/>
** '''4B12''' - version with Benz Bz.III engine<ref name="GT520"/>

==Operators==
;{{DEN}}
*[[Royal Danish Air Force]] - Postwar.
;{{flag|Germany|empire}}
*[[Luftstreitkrafte]]
*[[Kaiserliche Marine]]
;{{TUR}}
*[[Ottoman Air Force]]

==Specifications==
{{Aircraft specs
|ref=<!-- reference -->Gray & Thetford 1962, p.518
|prime units? = met
|crew=Two, pilot and observer
|length m=8.40
|length ft=27
|length in=7
|span m=13.00
|span ft=42
|span in=8
|height m=3.10
|height ft=10
|height in=2
|empty weight kg=750
|empty weight lb=1,650
|gross weight kg=970
|gross weight lb=2,100
|eng1 number=1
|eng1 name=[[Mercedes D.I]]
|eng1 kw=<!-- prop engines -->75
|eng1 hp=<!-- prop engines -->100
|max speed kmh=145
|max speed mph=90
}}
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|see also=
|related=<!-- related developments -->
|similar aircraft=<!-- similar or comparable aircraft -->
|lists=<!-- related lists -->
}}

==Notes==
{{reflist}}

==References==
* {{cite book |last=Gray |first=Peter |author2=Owen Thetford  |title=German Aircraft of the First World War |publisher=Putnam |location=London |year=1962 }}
*{{cite book |last1=Herris |first1=Jack |title=Rumpler Aircraft of WWI: A Centennial Perspective on Great War Airplanes |date=2014 |publisher=Aeronaut Books |location=n.p. |isbn=978-1-935881-21-6|series=Great War Aviation Centennial Series|volume=11}}
* {{cite book |title=The Illustrated Encyclopedia of Aircraft |publisher=Aerospace Publishing|location=London }}
* {{cite book |last= Kroschel |first=Günter |author2=Helmut Stützer  |title=Die Deutschen Militärflugzeuge 1910–1918 |publisher=Verlag E.S. Mittler & Sohn |location=Herford |year=1994}}
* {{cite book |last= Taylor |first= Michael J. H. |title=Jane's Encyclopedia of Aviation |year=1989 |publisher=Studio Editions |location=London }}

==Further reading==
{{commons category|Rumpler B.I}}
*{{cite magazine|last1=Nicolle |first1=David |title=Young Turks: Ottoman Turkish Fighters 1915–1918 |journal=Air Enthusiast |date=March–April 1999 |issue=74 |issn=0143-5450 |pages=40–45}}

{{Rumpler aircraft}}
{{Idflieg B-class designations}}

[[Category:Rumpler aircraft|B.I]]
[[Category:1910s German military reconnaissance aircraft]]
[[Category:Single-engined tractor aircraft]]
[[Category:Biplanes]]
[[Category:Aircraft first flown in 1914]]
[[Category:Aircraft with fixed conventional landing gear]]