1st Flight 1937
Koolhoven F.K.52 was a Dutch-designed, two-seat reconnaissance-fighter biplane, which was developed in the 1930s by Koolhoven.
The aircraft was equipped with an enclosed cockpit and single-strut landing gear.
Only six aircraft were produced.
The aircraft saw some service in the Finnish Air Force.
Specifications
Crew: 2
Length: 8.25 m (27 ft 1 in)
Wingspan: 9.8 m (32 ft 2 in)
Height: 3.3 m (10 ft 10 in)
Wing area: 28.4 m2 (306 sq ft)
Empty weight: 1,650 kg (3,638 lb)
Max takeoff weight: 2,500 kg (5,512 lb)
Powerplant: 1 × Bristol Mercury VIII 9-cylinder air-cooled radial piston engine, 625 kW (838 hp)
Propellers: 3-bladed variable-pitch propeller
Performance
Maximum speed: 380 km/h (240 mph, 210 kn)
Cruise speed: 308 km/h (191 mph, 166 kn)
Range: 1,130 km (700 mi, 610 nmi)
Service ceiling: 9,800 m (32,200 ft)
Armament
Guns:
2 × forward-firing 7.7 mm machine guns in wings
Bombs:
150 kg (330 lb) of bombs.
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