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.
|Length:||9,27 m||Wingspan:||12 m|
|Height:||3,2 m||Wing area:||31,5 m2|
|Empty weight:||1460 kg||Max. start weight:||2310 kg|
|Max. speed:||316 km/hr||Climbing speed:||- m/min|
|Cruising speed:||270 km/hr|
|Range:||850 km||Service ceiling:||8800 m|
|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|
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