Data from Flight 6 October 1938 : A 300 m.p.h.
KOOLHOVEN FIGHTER, Jane's all the World's Aircraft 1938
General characteristics
Crew: 1
Length: 8.69 m (28 ft 6 in)
Wingspan: 9.96 m (32 ft 8 in)
Wing area: 17.3 m² (186 sq ft)
Empty weight: 1,810 kg (3,990 lb)
Fuel capacity: 505 l (133 US gal; 111 imp gal) in three wing tanks
Powerplant: 1 × Hispano-Suiza 14AA-10 14-cylinder air-cooled radial piston engine, 810 kW (1,080 hp)   at 4,511 m (14,800 ft)
alternative powerplants include:- 670 kW (900 hp) Bristol Taurus and 770 kW (1,030 hp) Gnome-Rhône 14N-16
Propellers: 3-bladed variable-pitch propeller
Performance
Maximum speed: 483 km/h (300 mph, 261 kn) at 4,493 m (14,740 ft)
Cruise speed: 431 km/h (268 mph, 233 kn)
Range: 853 km (530 mi, 461 nmi)
Service ceiling: 10,200 m (33,500 ft)
Time to altitude: 6,998 m (22,960 ft) in 8 minutes 48 seconds
Wing loading: 147 kg/m² (30.2 lb/sq ft)
Power/mass: 0.31 kW/kg (0.19 hp/lb)
Armament
Guns: 4 × 7.5 mm FN-Browning machine guns in underwing fairings
Data from Flight 6 October 1938 : A 300 m.p.h. KOOLHOVEN FIGHTER, Jane's all the World's Aircraft 1938
General characteristics
Crew: 1
Length: 8.69 m (28 ft 6 in)
Wingspan: 9.96 m (32 ft 8 in)
Wing area: 17.3 m² (186 sq ft)
Empty weight: 1,810 kg (3,990 lb)
Fuel capacity: 505 l (133 US gal; 111 imp gal) in three wing tanks
Powerplant: 1 × Hispano-Suiza 14AA-10 14-cylinder air-cooled radial piston engine, 810 kW (1,080 hp)   at 4,511 m (14,800 ft)
alternative powerplants include:- 670 kW (900 hp) Bristol Taurus and 770 kW (1,030 hp) Gnome-Rhône 14N-16
Propellers: 3-bladed variable-pitch propeller
Performance
Maximum speed: 483 km/h (300 mph, 261 kn) at 4,493 m (14,740 ft)
Cruise speed: 431 km/h (268 mph, 233 kn)
Range: 853 km (530 mi, 461 nmi)
Service ceiling: 10,200 m (33,500 ft)
Time to altitude: 6,998 m (22,960 ft) in 8 minutes 48 seconds
Wing loading: 147 kg/m² (30.2 lb/sq ft)
Power/mass: 0.31 kW/kg (0.19 hp/lb)
Armament
Guns: 4 × 7.5 mm FN-Browning machine guns in underwing fairings
Koolhoven F.K.58