The Fokker D.XVI (sometimes written as Fokker D.16) was a sesquiplane fighter aircraft developed in the

Netherlands ) , anthem = ( en, "William of Nassau") , image_map = , map_caption = , subdivision_type = Sovereign state , subdivision_name = Kingdom of the Netherlands , established_title = Before independence , established_date = Spanish Netherl ...

in the late 1920s.

Development

The Fokker D.XVI was a conventional,

single-bay A biplane is a fixed-wing aircraft with two main wings stacked one above the other. The first powered, controlled aeroplane to fly, the Wright Flyer, used a biplane wing arrangement, as did many aircraft in the early years of aviation. While a ...

sesquiplane with staggered wings braced with V-struts. It featured an open cockpit and fixed undercarriage with a tailskid. The wings were made up of wood spars and ribs with a plywood covering, while the fuselage was of steel tube construction with a fabric covering. Power was provided by an

Armstrong Siddeley Jaguar The Armstrong Siddeley Jaguar was an aircraft engine developed by Armstrong Siddeley. The Jaguar was a petrol-fuelled air-cooled 14-cylinder two-row radial engine design. The Jaguar III was first used in 1923, followed in 1925 by the Jaguar ...

radial engine fitted with a

Townend ring A Townend ring is a narrow- chord cowling ring fitted around the cylinders of an aircraft radial engine to reduce drag and improve cooling. Development The Townend ring was the invention of Dr. Hubert Townend of the British National Physica ...

Operational history

The Royal Netherlands Army ordered 14 aircraft, which differed from the prototype in having divided main undercarriage units in place of the prototype's cross-axle. Hungary purchased four aircraft with

Gnome et Rhône Gnome et Rhône was a major French aircraft engine manufacturer. Between 1914 and 1918 they produced 25,000 of their 9-cylinder Delta and Le Rhône 110 hp (81 kW) rotary designs, while another 75,000 were produced by various licen ...

-built Bristol Jupiter engines in place of the

engines used on the Dutch machines. Evaluation aircraft were also provided to China, Italy, Roumania and the

Royal Netherlands East Indies Army The Royal Netherlands East Indies Army ( nl, Koninklijk Nederlands Indisch Leger; KNIL, ) was the military force maintained by the Kingdom of the Netherlands in its colony of the Dutch East Indies, in areas that are now part of Indonesia. Th ...

. The Royal Netherlands East Indies Army machine was powered by a

Curtiss V-1570 The Curtiss V-1570 Conqueror was a 12-cylinder vee liquid-cooled aircraft engine. Representing a more powerful version of the Curtiss D-12, the engine entered production in 1926 and flew in numerous aircraft.Gunston 1989, p. 46. Design and de ...

, which crashed in March 1931 at Schiphol. The D.XVI also won a competition organised by the government of Roumania to select a new fighter, but despite this, no orders were placed. One Dutch Army aircraft was given to Roumania. In lieu of the radial-engined D.XVI, Fokker manufactured the similar Fokker D.XVII powered with an inline engine. One example was fitted with a three-bladed propeller and a full-chord

NACA cowling The NACA cowling is a type of aerodynamic fairing used to streamline radial engines installed on airplanes. It was developed by Fred Weick of the National Advisory Committee for Aeronautics (NACA) in 1927. It was a major advance in aerodynamic ...

Operators

; * Republic of China Air Force (RoCAF) - evaluation only ; *

Royal Hungarian Air Force The Hungarian Air Force ( hu, Magyar Légierő), is the air force branch of the Hungarian Defence Forces. The task of the current Hungarian Air Force is primarily defensive purposes. The flying units of the air force are organised into a single ...

- two aircraft ; * Regia Aeronautica - evaluation only ; * Royal Netherlands Air Force *

- evaluation only ; *

Royal Romanian Air Force The Air Force branch of the Royal Romanian forces in World War II was officially named the (ARR), or the Romanian Royal Aeronautics, though it is more commonly referred to in English histories as the (Royal Romanian Air Force, FARR), or simply ...

- evaluation only

Specifications

References

Citations

Bibliography

* * * {{Fokker aircraft 1920s Dutch fighter aircraft D 16 Sesquiplanes Aircraft first flown in 1929