/ Koolhoven F.K.58
The Koolhoven F.K.58 was a single engine, interceptor-fighter aircraft designed and mainly manufactured by N V Koolhoven in the Netherlands under contract by France.
Intended for Armée de l’Air use, the F.K.58 saw limited service in the Battle of France.
Prototype powered by 1,080 hp Hispano-Suiza 14AA engine, 2 built.
Dutch version powered by Bristol Taurus engine, projected Dutch aircraft, none built.
First production variant powered by Hispano-Suiza 14AA radial engine, 7 built.
Production version powered by Gnome-Rhône 14N-16 engine, 11 built.
8.69 m (28 ft 6 in)
9.96 m (32 ft 8 in)
17.3 m2 (186 sq ft)
1,810 kg (3,990 lb)
505 l (133 US gal; 111 imp gal) in three wing tanks
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
770 kW (1,030 hp) Gnome-Rhône 14N-16
3-bladed variable-pitch propeller
483 km/h (300 mph, 261 kn) at 4,493 m (14,740 ft)
431 km/h (268 mph, 233 kn)
853 km (530 mi, 461 nmi)
10,200 m (33,500 ft)
Rate of climb
16.3 m/s (3,210 ft/min) at 4,001 m (13,126 ft)
Time to altitude
6,998 m (22,960 ft) in 8 minutes 48 seconds
147 kg/m2 (30.2 lb/sq ft)
0.31 kW/kg (0.19 hp/lb)
4 × 7.5 mm FN-Browning machine guns in underwing fairings.
Share on facebook
Follow us on