Nederlandse Modelbouw en Luchtvaartsite

Dutch Modelling and Aviation

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In Memoriam

Klaas Willem Jonker
(Wilko)
† April 30, 2018

On Monday 30 April 2018, Wilko Jonker died after a long illness at the age of 58. He leaves behind a wife and two children. The Dutch military aviation and plastic modeling were his hobby and on this website he shared all the knowledge he has collected over the years. His hobby has been able to distract him from the persistent disease in his body until the last week of his life. The contacts with other hobbyists were a major support for him.

This website will be maintained by different people for as long as possible, so that other enthusiasts can continue to benefit from extensive content.

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Friday, 22 November 2019 10:54

Fokker C.X

History

In the early thirties (of the twentieth century) the Fokker CX was developed as a successor to the very successful Fokker C.V.

Fokker sent a representative to the ML-KNIL, who had over twenty Fokkers C.VE in use, to determine whether there was a need for a successor. After some prodding,  a reaction came just in mid-1933. Fokker responded very quickly with data about the new Fokker C.X.

In early 1934 there was a contract for the construction of a prototype, equipped with Rolls Royce Kestrel IIS liquid-cooled inline engine of 610 hp. The prototype made its first flight on October 9, 1934, but crashed already in December.

The ML-KNIL (NEIAF) placed in February 1935 a contract for the construction of fourteen aircraft equipped with Rolls Royce Kestrel V engine of 685 hp. The aircraft were designated as Fokker C.XK. The prototype, with registration FCx450, was repaired and flew again in May 1935.

The first real production unit, FCx451, could be used by Fokker for demonstration flights with civil registration PH-AKIJ. In mid-September 1935 this aircraft made a flight demonstration in Ankara and crashed during a dive pieces of the aircraft broke of an suddenly the left wing broke off. "Flutter" was then identified as the most likely cause.
After reviewing the wing the flaps of the lower wings were omitted.

 

Technical information
Dimensions:
Length: 9,27 m Wingspan: 12 m
Height: 3,2 m Wing area: 31,5 m2
Weights:
Empty weight: 1460 kg Max. start weight: 2310 kg
Performances:
Max. speed: 316 km/hr Climbing speed: - m/min
Cruising speed: 270 km/hr    
Range: 850 km Service ceiling:  8800 m
Miscellaneous:
Engine type: One Rolss Royce Kestrel V rated 640 hp
Crew: Two men: one aviaotr plus one observer/air gunner
Armament: Two machine guns; bombs

 


In service with LVA and NEIAF.

In service with LVA.

Soon the LVA showed interest in the Fokker C.X and at the end of December 1933 an initial order was placed for three aircraft, soon followed by an order for a fourth example.

These aircraft, referred to as Fokker C.XH differed compared to the C.XK in that they were built as trainers, did not have a tail wheel and also lacked a canopy, but had two separate seats with a windscreen. The first aircraft, registration 700 was equipped with flaps in the lower wing.

They were equipped with a Rolls Royce Kestrel IIS engine of 610 hp with a two-bladed wooden Weybridge propeller and two fixed 7.9 mm machine guns in the nose and a movable third one in the rear cockpit.

The aircraft were delivered early September 1935. This was many months later than planned, and was caused by all kinds of difficulties and also because the LVA came with new demands regarding cockpit layout and other equipment.

Nevertheless, the LVA ordered early 1935 a follow-up for sixteen aircraft. The official contract was just signed in March 1936. The first examples of this second series had already made their first flight. This second series was more in line with the C.XK and had a canopy, a Rolls Royce Kestrel V and a tail wheel. The armament corresponded to the first series C.XH, though the armament in the nose was reduced to a single machine gun.

The Fokkers C.X proofed, after initial problems with the engines, to be very reliable and all were still in operational service in May 1940.

 

Fokker C.X serial 702 of the LVA.
[Enclosed photo from BeeldBank NIMH. Click on photo for ordering information]
Fokker C.X 712 in flight.
[Enclosed photo from BeeldBank NIMH. Click on photo for ordering information]
Upper side view of Fokker C.X 718
[Enclosed photo from BeeldBank NIMH. Click on photo for ordering information]
Rear view of a Fokker C.X.
[Enclosed photo from BeeldBank NIMH. Click on photo for ordering information]
Fokker C.X.
[Enclosed photo from BeeldBank NIMH. Click on photo for ordering information]
Fokker C.X 700 in left side view, note the different cockpit.
[Enclosed photo from BeeldBank NIMH. Click on photo for ordering information]
Fokker C.x 714 in right side view.
[Enclosed photo from BeeldBank NIMH. Click on photo for ordering information]
Underside view of a Fokker C.X
[Enclosed photo from BeeldBank NIMH. Click on photo for ordering information]
Fokker C.X.
[Enclosed photo from BeeldBank NIMH. Click on photo for ordering information]
Fokker C.X 700 in right side view.
[Enclosed photo from BeeldBank NIMH. Click on photo for ordering information]
Fokker C.x 700 in left side view.
[Enclosed photo from BeeldBank NIMH. Click on photo for ordering information]
Rear view of a Fokker C.X.
[Enclosed photo from BeeldBank NIMH. Click on photo for ordering information]
Fokker C.X 714  front view.
[Enclosed photo from BeeldBank NIMH. Click on photo for ordering information]
Fokker C.X 706. Cockpit view.
[Enclosed photo from BeeldBank NIMH. Click on photo for ordering information]
Fokker C.X0 702. Detail of the boombs under the wings.
[Enclosed photo from BeeldBank NIMH. Click on photo for ordering information]
Fokker C.X 717. During summer 1939 this aircraft had an accident during a taxi run.
[Enclosed photo from BeeldBank NIMH. Click on photo for ordering information]

 

In service with NEIAF.

The first aircraft were delivered from August 1935. The first aircraft was used for some time for demonstration purposes, but crashed in September. A fifteenth aircraft was built as a replacement.

In July 1936, all fourteen Fokker were delivered.

The first Fokker CX was assembled and flown on Andir in November 1935. The type proved to be a big improvement over the old Fokker C.V. Initially, the Fokker C.X was used for reconnaissance, but after a few months the type was assigned a different role.

The ML-KNIL (NEIAF) started to form an air force with rapid bombers which had to attack a potential invasion force. In January 1937 the first Martins 139 were delivered.

The exploration task of Fokker C.X lapsed and therefore the aircraft were modified in the course of 1937 into trainers for continuing education (following the basic training on the Koolhoven FK-51 and later the Ryan STM)

Until the beginning of the war two aircraft were lost; on March 7, 1938 an unknown Fokker C.X flew against a mountain and FCx461 crashed on January 7, 1939 because of an of an engine failure. In December 1941, ten aircraft in use on Kalidjati and probably two devices Madiun for cartography. Most likely all devices are lost or burned during the bombing at the capitulation.

Fokker C.X with NEIAF serial FCx453.
[Enclosed photo from BeeldBank NIMH. Click on photo for ordering information]
Fokker C.X in flight with NEIAF serial FCx-451.
[Enclosed photo from BeeldBank NIMH. Click on photo for ordering information]

 


Fokker C.X

 

 

 


Serial overview LVA and NEIAF.

Serial overview LVA

Serials
Serials
Constr. nr.
Constr. nr.
Date in service
Date in service
Date out of service
Date out of service
Notes
notes
Originally Fokker C.XH
No canopy, no tailwheel, double steering and a Rolls Royce IIS engine
700 5382 ? 1935 14-05-1940

Accident at March 30, 1937.
Revised and rebuilt (as Fokker C.XK) with new fuselage, tailwheel, partial canopy and Roll Royce Kestrel V engine.

Partial ready on may 14, 1940

701 5383 ? 1935 14-05-1940 May 1940 under repair at Fokker factory at Amsterdam. (30 % ready);
Possibly captured.
702 5384 ? 1935 14-05-1940 May 1940 under repair at Fokker factory at Amsterdam. (30 % ready)
Possibly captured.
703 5385 ? 1935 14-05-1940 May 1940 under repair at Fokker factory at Amsterdam under repairs (90 % ready);
Possibly captured.
Fokker C.XK: Canopy, tailwheel and Rolls Royce Kestrel V engine.
704 5400/5402? 1936 14-05-1940 First flight 28-2-1936.
May 1940 based at air base Bergen in hangar 4 for maintenance.
Lost due to bombardment.
705 5401/5403? 1936 14-05-1940 First flight 28-02-1936.
May 1940 based at air base Bergen.
Made several flights, escaped to France on May 14, 1940.
706 5402/5405? 1936 14-05-1940 First flight 22-02-1936.
May 1940 based at air base Bergen.
Heavily damaged during a war flight May 10, 1940. Rapiered, may 14 1940 damaged again.
707 5403/5405? 1936 14-05-1940 First flight 06-03-1936.
May 1940 based at air base Bergen in hangar 4 for maintenance.
Lost due to bombardment.
708 5404/5406? 1936 14-05-1940 First flight 06-03-1936.
May 1940 based at air base Bergen.
Made one flight to Waalhaven, due to air attack emergency landing at Den Hoorn.
Possibly captured.
709 5405/5407? 1936 14-05-1940 First flight 20-03-1936.
May 1940 based at air base Bergen .
Made one flight to Waalhaven, due to air attack emergency landing at Wateringen.
Possibly captured.
710 5406/5408? 04-1936 14-05-1940 First flight 20-03-1936.
May 1940 based at air base Bergen in hangar 4 for maintenance. Lost due to bombardment.
711 5407/5409? 04-1936 14-05-1940 First flight 27-03-1936.
May 1940 based at air base Bergen.
Made several war flights. May 14, 1940 at Ruigenhoek set to fire by ground crew and destroyed.
712 5408/5410? 04-1936 14-05-1940 First flight 27-3-1936. May 1940 based at air base Bergen. made several war flights ,such as bomb flight to Waalhaven.
May 14, 1940 at Ruigenhoek set to fire by ground crew and destroyed.
713 5409/5411? 05-1936 14-05-1940

First flight 02-04-1936.
May 1940 based at air base Bergen

Started as first on May 10, 1940 to attack Valkenburg.
Four missions were flown.
May 14, 1940 at Ruigenhoek set to fire by ground crew and destroyed.

714 5410/5412? 05-1936 14-05-1940 First flight 02-04-1936.
May 1940 based at air base Bergen.
Flew a mission to air base Valkenburg and Moerdijk.
May 14, 1940 at Ruigenhoek set to fire by ground crew and destroyed.
715 5411/5413? 05-1936 14-05-1940 First flight 09-04-1936.
May 1940 based at air base Bergen and flew one mission.
Due to engine problems left at air base Bergen and possible captured by the Germans.
716 5412/5414? 05-1936 14-05-1940 First flight 08-04-1936.
May 1940 based at air base Waalhaven and possibly destroyed due to bombardment
717 ????/5415? 06-1936 14-05-1940 First flight 25-05-1936.
May 1940 under repair at Fokker Factory, Amsterdam;
718 5414/5416? 06-1936 14-05-1940 First flight 26-05-1936.
May 1940 based at air base Hilversum, 1st reconnaissance group. Not operational and partly dismantled in hangar.
Destroyed.
719 5415/5417? 06-1936 14-05-1940 First flight ??-??-1936.
May 1940 based at air base Hilversum, 1st reconnaissance  group. Not equipped with bomb racks and used for recce missions.
May 10 flown to air base Middenmeer and flew several missions on May 12, 1940.

 

Serial overview NEIAF.

Serials
Serials
Constr. nr.
Constr. nr.
Date in service
Date in service
Date out of service
Date out of service
Notes
notes
FCx450 5379     Lost in accident on first flight December 7th 1934
FCx451 5380     First flight 15-01-1936.
FCx452 5381     First flight 05-12-1935
FCx453 5382     First flight 27-09-1935.
FCx454 5383     First flight 19-03-1936.
FCx455 5384     First flight 22-10-1935.
FCx456 5385     First flight 16-10-1935.
FCx457 5386     First flight 22-10-1935.
FCx458 5387     First flight 26-10-1935.
FCx459 5388     First flight 2-11-1935.
Possibly equipped with RR Kestrel II instead of RR Kestrel V
FCx460 5389     First flight 08-11-1935.
FCx461 5390     First flight 15-11-1935.
FCx462 5391     First flight 21-11-1935.
FCx463 5392     First flight 29-11-1935.

 


1/72nd Scale

Kits

  • Alpha
    • Kit XX: a vacu formed kit
  • AZ Models
    • Kit 7238: An injection moulded kit with resin and photo etched parts.
      There is a mistake though in the instructions: the undersides of the Dutch aircraft were LVA blue and NOT aluminium dope!
  • CMK
    • Kit 5094: A resin model of a Fokker C.X with RR Kestrel
  • Vami
    • Kit 7208: A resin kit

Modelling add-on

  • Kora Models
    • Set KC7254: Conversion set Fokker CX Early version (Dutch Service)
    • Set KC7255: Conversion set Fokker CX Trainer version (Dutch Service - 703)
    • Set KC7256: Conversion set voor Fokker CX Hispano (Dutch Service - 750)
    • Set DS72828: Fokker CX Dutch Service- Correction Wheel set (AZ)
    • Set DS7283: Fokker CX Dutch Service- Correct Interior set (AZ)
    • Set DS7284: Fokker CX Dutch Service - weapons set (AZ)
    • Set DS7285: Fokker CX Dutch Service - Correct engine set (AZ)
    • Set DS72109: Fokker CX Dutch Service - Correct lower wings set (AZ)

Decals

  • Dutch Decal
    • Set 72067: Set decals for NEIAF: Lodestar, C47, B25D/J Mitchell, K57 "Topsy", L4J, Fokker CX RNEIAF, Kansan, B25G Mitchell RNMFS

1/48th Scale

Kits

  • Geromy
    • Kit 48-003: A resin kit in a limited release.

Modelling add-on

  • --
    • Set --: --

Decals

  • --
    • Set --: --

 


 .

Scheme Colour name FS number BS-number Humbrol XtraColor
Standard #1 LVA Upper surfaces LVA Khaki   AC D05    
Undersides LVA Blue   AC D04    
Standard #1 NEIAF Upper surfaces LVA Khaki   AC D05    
Lower surfaces and wings Aluminium dope        

Check www.paint4models.com for an extensive conversion table with lots of colour and paint systems.

 

Fokker C.X LVA

Fokker_CX_LVA1-1-SMALL
Delivery scheme Fokker C.X
First series 700 up to 704 (excl. 703). 
At delivery just a windscreen and no tailwheel were applied.
Fokker_CX_LVA1-1-SMALL
Colour scheme of the Fokker C.X from 09-1939 and on First series 700 t/m 704 (excl. 703).
Fokker_CX_LVA1-1-SMALL
Delivery scheme Fokker C.X 703.
This aircraft had a double cockpit section.
Fokker_CX_LVA1-1-SMALL
Colour scheme Fokker C.X 703; from 09-1939 and on.
Fokker_CX_LVA1-1-SMALL
Delivery scheme Fokker C.X;
Second series, 705 and on.
These aircraft had a canopy, tail-wheel and two machine-guns in the nose section.
 
Fokker_CX_LVA1-1-SMALL
Colour scheme Fokker C.X 705 and on; from 09-1939 and on.

 

Fokker C.X NEIAF

Fokker_CX_LVA1-1-SMALL
Colour scheme Fokker C.X; NEIAF.
These aircraft had a canopy, tail-wheel and a single machine-gun in the nose section.

 


Literature.

Nederlandse Militaire Luchtvaart in Beeld. deel 1. Hugo Hooftman Pag. 110 - 113 1977 Uitgever: Europese Bibliotheek, Zaltbommel
Militaire Luchtvaart in Nederlandsch-Indië in beeld. Deel 1 Hugo Hooftman Pag. 75 - 89 1978 Uitgever: Europese Bibliotheek, Zaltbommel
Fokker, Bouwer aan de wereldluchtvaart Thijs Postma Pag. 96; 130 - 131 1979 Uitgever: Unieboek b.v., Houten
Nederlandse Vliegtuig-Encyclopedie No. 10 Fokker C.X. Hugo Hooftman Pag. 1980 COCKPIT-uitgeverij, Bennekom
De Nederlandse Vliegtuigen: Alle vliegtuigen ooit in Nederland ontworpen en gebouwd Theo Wesselink & Thijs Postma Pag. 88 - 90 1982 Uitgever: Romen Luchtvaart, Haarlem
Fokker,-vliegtuigen voor de Militaire Luchtvaart   Pag. 9 1982  
40 Jaar luchtvaart in Indië Gerard Casius & Thijs Postma Pag. 51 1986 Uitgeverij De Alk, Alkmaar
Van Luchtvaartafdeling tot Koninklijke Luchtmacht: 75 jaar Militaire Luchtvaart in Nederland Koos van de Berg Pag. 20 1987 Uitgever: Rebo Produkties, Sassenheim
KLu Vliegtuigen: De vliegtuigen van de Koninklijke Luchtmacht vanaf 1913 Wim Schoenmaker & Thijs Postma Pag. 51 1987 Uitgeverij De Alk, Alkmaar
Squadrons van de Koninklijke Luchtmacht (derde herzien druk) Willem Helfferich Pag. 19 - 1994 Uitgevers Wyt, Rotterdam
Luchtvaart; 12e jaargang nummer 5: Foto van Fokker C.X 704 (Zwart-wit).   Pag. 42 1995 Uitgeverij Ten Brink, Meppel
Camouflage en Kentekens J.Greuter e.a.   1997 Bonneville – Bergen (NH)
Warplane No. 5  Fokker C.X E. Hoogschagen   2013 Lanasta - Emmen

 

Websites.

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