Specifications – Koolhoven F.K.51

Crew: 2 (one observer or student, one pilot or instructor)
Length: 7.85 m (25 feet 9 1/3 inches)
Wingspan: 9.00 m (29 feet 6 1/3 inches)
Height: 2.80 m (9 feet 2 inches)
Wing area: 27.0 sq m (290.63 sq ft)
Empty weight: 1,010 kg (2,227 pounds)
Loaded weight: 1,600 kg (3,527 pounds)
Powerplant: 1 × Armstrong Siddeley Cheetah IX
9-cylinder, air-cooled radial piston engine, 261 kW (350 hp)

Performance:

Maximum speed: 235 km/h at 2,280 m (146 mph at 7,462 feet)
Cruise speed:
215 km/h (133 mph)
Range:
730 km (454 miles)
Service ceiling:
5,600 m (18,370 feet)

Armament:

Guns: Two fixed forward-firing 7.9 mm (0.32 inch) machine gun in wings
one similar weapon in a flexible mount in the rear cockpit

Avionics:
Provision for one camera

Koolhoven F.K.51

Koolhoven F.K.51

©Bogdan Patrascu via Wings Palette