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Koolhoven FK41. Specifications. A photo.
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Koolhoven FK41. Specifications. A photo.

Koolhoven FK41. Specifications. A photo.

 

Koolhoven FK41 - light multipurpose aircraft designed in 1928, the Dutch aircraft manufacturer «NV Koolhoven Aeroplanes», and subsequently manufactured by the British company «Desoutter Aircraft Company».

 

A photoKoolhoven FK41

 

Aircraft manufacturers from Denmark have started developing a light multi-purpose aircraft model Koolhoven FK41 in the first half of the 20-ies of the last century. This was mainly due to the need to bring to the European markets small aircraft that can be used to transport people and small loads. In view of the fact that the design of the Koolhoven FK41 was carried out practically at the dawn of the era of aircraft construction, the aircraft designers considered that this project has little promise, which was followed by British aircraft builders who produced a rather large popularization of this model, however, after direct improvement of the design and Technical characteristics of the aircraft.

The Koolhoven FK41 aircraft, despite its fairly compact dimensions, has very low maneuverability, which is due primarily to the poor aerodynamic shape, and this in turn does not allow the aircraft to accelerate to high flight speeds. However, for the entire production period, including the production of aircraft, both Danish aircraft builders and British aircraft, 47 aircrafts of this model (including several modified versions) were built, but until now only the existence of several aircraft of this model is known.

 

Koolhoven FK41 photo

 

On board the aircraft machine model Koolhoven FK41 can accommodate up to three people - a pilot and two passengers, at the same time, the aircraft can also be adapted and for transportation of various kinds of goods, however, given the fact that the maximum take-off weight of the aircraft Koolhoven FK41 is only only 836 kg, and taking into account its own weight of the pilot, the maximum payload mass to take on board may not exceed 220 kg, as a consequence, the aircraft operation in this regard is limited.

The power plant of the aircraft Koolhoven FK41 model vehicle represented by a single piston engine aircraft marks de Havilland Gipsy III, which is capable of pulling power in 120 hp Nevertheless, quite a powerful propulsion system and a relatively lightweight design does not allow the aircraft to reach speeds of more than 200 km \ h. (Maximum rate of movement of the aircraft), while the maximum flight range of the model aircraft is 800 kilometers, which is quite acceptable.

 

AircraftKoolhoven FK41

 

The following options are aircraft Koolhoven FK41:

  • Koolhoven FK41- The basic version of the aircraft;
  • Desoutter I - A modernized version of the aircraft, manufactured by the British company «Desoutter Aircraft Company»;
  • Desoutter II - An improved version of the aircraft, produced «Desoutter Aircraft Company».

 

Specifications Koolhoven FK41.

 

  • Crew: 1 people;
  • Passenger: 2 person;
  • aircraft Length: 7,9 m (depending on version).
  • Wingspan: 10,9 m (depending on version).
  • Plane Height: 2,15 m .;
  • Weight of empty aircraft: 536 kg. (Depending on version);
  • Payload: 300 kg. (Depending on version);
  • Maximum takeoff weight: 836 kg. (Depending on version);
  • Cruising speed: 160 km \ h. (Depending on version);
  • Maximum flight speed: 200 km \ h .;
  • Maximum flight distance: 800 km .;
  • Maximum flight height: 5200 m .;
  • aircraft engine type: a piston;
  • Powerplant: de Havilland Gipsy III (depending on version);
  • Power: 120 hp (Depending on version).

 

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