LFG Roland D.VI
{{Short description|1910s German fighter aircraft}}
| {{Infobox aircraft begin
|name = D.VI |image = Roland_D6b.jpg |caption = D.VIb }}{{Infobox aircraft type |type = Fighter |manufacturer = LFG Roland |designer = |first flight = 1917 |introduced = 1918 |introduction= |retired = |status = |primary user = Imperial Germany |more users = |produced = |number built = 350 |unit cost = |developed from = |variants with their own articles = }} |
The Roland D.VI was a German fighter aircraft built at the end of World War I. It lost a fly-off to the Fokker D.VII, but production went ahead anyway as insurance against problems with the Fokker.
Design and development
The Roland D.VI was designed by the Luft-Fahrzeug-Gesellschaft (L.F.G.), (whose aircraft were made under the trade name "Roland" after 1914 to avoid confusion with the Luftverkehrsgesellschaft m.b.H (L.V.G.)) late in 1917, with the prototype being the 1000th aircraft to be built by L.F.G., first flying in November 1917. The D.VI was a single bay biplane which discarded the L.F.G.-Roland patented Wickelrumpf (literally "wrapped body"), or semi-monocoque fuselage, constructed with two layers of thin plywood strips, diagonally wrapped around a male form to create a "half-shell", that used in previous L.F.G aircraft such as the Roland C.II, D.I and D.II in favour of the equally unusual (for aircraft use) Klinkerrumpf (or clinker-built) construction where the fuselage was built of overlapping thin strips of spruce over a light wooden framework.Gray and Thetford 1961, pp. 166–167. Visibility for the pilot was good, while the aircraft had above average manoeuvrability.Gray and Thetford 1961, p. 167.
Operational history
File:Wilhelm Eickhoff - Roland D.VIa.jpg
In January 1918, two D.VIs were entered into the first fighter competition held by Idflieg at Adlershof, one powered by a 160 hp (119 kW) Mercedes D.III engine and the other by a Benz Bz.IIIa of similar power and, like the Mercedes, another upright, inline, six cylinder engine . Although the winner of the competition was the cheaper Fokker D.VII, orders were placed for the Roland as insurance against production problems with the Fokker.Gray and Thetford 1961, p. 166.
A total of 350 were built, 150 D.VIas powered by the Mercedes, while the remaining 200 were powered by the Benz and were called D.VIb. Deliveries started in May 1918, with 70 D.VIs in frontline service on 31 August 1918.
The only surviving artifact of the LFG Roland D.VI still existing in the 21st century is the complete fuselage of a D.VIb, displaying IdFlieg military serial number 2225/18, on display at the Polish Aviation Museum in Kraków, Poland.{{cite web |url=http://www.muzeumlotnictwa.pl/zbiory_sz.php?ido=9&w=a |title=Aeroplane: LFG Roland D.VI |author=Polish Aviation Museum |publisher=Polish Aviation Museum |access-date=July 28, 2012}}
Operators
;{{flag|First Czechoslovak Republic}}
;{{flag|German Empire}}
Specifications (Roland D.VIb)
{{Aircraft specs
|ref= The Complete Book of Fighters Green and Swanborough 1994, p. 338.
|prime units?=met
|crew=1
|length m=6.32
|length note=
|span m=9.42
|span note=
|height m=2.8
|height note=
|wing area sqm=22.1
|wing area note=
|aspect ratio=
|airfoil=
|empty weight kg=656
|empty weight note=
|gross weight kg=846
|gross weight note=
|max takeoff weight kg=
|max takeoff weight note=
|fuel capacity=
|more general=
|eng1 number=1
|eng1 name=Benz Bz.IIIa
|eng1 type=6-cylinder water-cooled in-line piston engine
|eng1 kw=149
|eng1 note=The Bz.IIIa was not related to the Bz.III
|prop blade number=2
|prop name=fixed-pitch propeller
|prop dia m=
|prop dia note=
|rot area note=
|max speed kmh=199
|max speed note=
|cruise speed kmh=
|cruise speed note=
|stall speed kmh=
|stall speed note=
|never exceed speed kmh=
|never exceed speed note=
|range km=
|range note=
|combat range km=
|combat range note=
|ferry range km=
|ferry range note=
|endurance=
|ceiling m=5790
|ceiling note=
|g limits=
|roll rate=
|climb rate ms=
|climb rate note=
|time to altitude={{cvt|5000|m}} in 19 minutes
|wing loading kg/m2=38.3
|wing loading note=
|fuel consumption kg/km=
|power/mass={{cvt|0.18|kW/kg}}
|more performance=
|guns=2 × 7.92 mm LMG 08/15 machine guns
}}
See also
Notes
{{Reflist}}
Bibliography
- {{cite journal |last1=Abbott|first1=Dan S.|last2=Grosz|first2=Peter M.|name-list-style=amp |title=The Benighted Rolands|journal=Air Enthusiast |date=1977|issue=3 |pages=38–48 |issn=0143-5450}}
- Gray, Peter and Owen Thetford. German Aircraft of the First World War. London: Putnam, 1962.
- Gray, Peter Laurence. German Aircraft of the First World War. Garden City, N.Y.: Doubleday & Co., 1970.
- Green, William and Gordon Swanborough. The Complete Book of Fighters. New York: Smithmark, 1994. {{ISBN|0-8317-3939-8}}.
External links
{{Commons category|LFG Roland D.VI}}
- [http://www.cbrnp.com/profiles/quarter1/roland-d6a.htm The L.F.G Roland D.VIa]
- [http://www.internetmodeler.com/references/roland_dvib.pdf Performance tests of Roland D.VIb with 200 hp Benz]
{{LFG aircraft}}
{{Idflieg D-class designations}}
{{World War I Aircraft of the Central Powers}}
{{Authority control}}