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Fokker V.6 (Fokker D.VII)

Triplane Fighter Prototype

Imperial Germany | 1917

"The Fokker V.6 triplane fighter was an enlarged form of the V.5 prototype developed in parallel and carried a different engine - it was not furthered."

Authored By: Staff Writer | Last Edited: 07/31/2019 | Content ©www.MilitaryFactory.com | The following text is exclusive to this site; No A.I. was used in the generation of this content.
The Fokker V.6 continued the line of triplane prototype fighter begun by Fokker with the V.4 intended for the Austrian-Hungarian air service as a biplane. The line was influenced heavily by the arrival of the Sopwith Triplane unveiled by the Allies in late 1916 and seeing its first actions in early 1917. Its maneuverability, rate-of-climb, and high operating ceiling made it an instant success against the slower, less-maneuverable and heavier-armed Fokker biplanes then in service. This pressed Fokker to develop a competing type which eventually became the classic "Red Baron" Fokker Dr.I Triplane detailed elsewhere on this site.

Like the other V-series triplanes, the Fokker V.6 served as nothing more than a prototype for its service life. Developed in parallel to the earlier V.5 triplane, the V.6 was ordered on July 7th, 1917 and recorded a first flight in 1917 and carried the same basic triple-plane wing arrangement as earlier models - though the fuselage now mated to the more powerful (and heavier) Mercedes D.II six-cylinder water-cooled engine of 120 horsepower. The pilot sat in an open-air cockpit, the engine drove a two-bladed wooden propeller, and the tail unit relied on a single vertical fin with low-mounted horizontal planes. The undercarriage, as expected, was fixed to the fuselage by a series of struts and sported two wheels for ground-running.

Because of the heavier engine in play, the V.6 was a dimensionally larger aircraft design when compared to the V.5 - it saw its wing surfaces enlarged and surface areas increased while the mainplane chord was increased. The longer-wing interplanes were now joined by single solid struts angled forward to meet the staggered arrangement of the triple wings. The changes also caused the cockpit to be pushed further aft (reducing forward visibility all the more) and the fuselage to be deepened.

After a period of testing, it was found that the modified, heavier V.6 prototype added little to the overall initiative as maneuverability proved lacking against the competing V.5 prototype with its rotary engine. As such, the V.5 prototype leaped ahead of the V.6 as the basis for the Dr.I triplane fighter to come.

The V.6 was given up for good in October of 1917. The V.7 appeared for a short time and differed in having a Siemens-Halske Sh.III series engine fitted.

Performance specifications on this page are pure estimates on the part of the author.

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Power & Performance
Those special qualities that separate one aircraft design from another. Performance specifications presented assume optimal operating conditions for the Fokker V.6 Triplane Fighter Prototype.
1 x Mercedes D.II six-cylinder water-cooled engine developing 120 horsepower driving a two-bladed propeller unit at the nose.
96 mph
155 kph | 84 kts
Max Speed
18,701 ft
5,700 m | 4 miles
Service Ceiling
180 miles
290 km | 157 nm
Operational Range
900 ft/min
274 m/min
City-to-City Ranges
Operational range when compared to distances between major cities (in KM).
The nose-to-tail, wingtip-to-wingtip physical qualities of the Fokker V.6 Triplane Fighter Prototype.
19.7 ft
6.01 m
O/A Length
26.5 ft
(8.07 m)
O/A Width
9.9 ft
(3.01 m)
O/A Height
959 lb
(435 kg)
Empty Weight
1,323 lb
(600 kg)
Design Balance
The three qualities reflected below are altitude, speed, and range. The more full the box, the more balanced the design.
Available supported armament and special-mission equipment featured in the design of the Fokker V.6 (Fokker D.VII) Triplane Fighter Prototype .
2 x 7.92mm LMG 08/15 machine guns over the nose set to fire through the spinning propeller blades.
Notable series variants as part of the Fokker V.6 (Fokker D.VII) family line.
V.6 - Prototype Model Designation; single example completed.
Global customers who have evaluated and/or operated the Fokker V.6 (Fokker D.VII). Nations are displayed by flag, each linked to their respective national aircraft listing.

Total Production: 1 Units

Contractor(s): Fokker-Flugzeugwerke - Imperial Germany
National flag of the German Empire

[ German Empire (cancelled) ]
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Image of the Fokker V.6 (Fokker D.VII)
Image from the Public Domain.

Going Further...
The Fokker V.6 (Fokker D.VII) Triplane Fighter Prototype appears in the following collections:
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