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B&F Technik FK-9

FK-Lightplanes FK-9


The FK-Leichtflugzeuge FK-9 is a product of B&F Technik Vertriebs GmbH. Production of the airframes takes place in Krosno, Poland; assembly of the airframes and the final production of the aircraft in the factory in Speyer in Germany. Introduced in 1989, the FK9 was a combined design of Otto, and his son Peter.

The 2-seat FK9 utilized the wing concept of the FK6.

To build the FK9 Peter Funk founded in 1990, together with his partner Dirk Breitkreuz, the company B&F Technik. Production of the FK9 Mk.1 begun in the following year. About 40 MLA's of FK9 Mk 1 version were built until the airplane was re-designed and replaced in production in 1995 by the FK9 Mk 2 version. The FK9 Mark 2 shares its wings with the microlight motor glider FK3, complete with the complex flap and aileron controls, but uses a welded steel spaceframe fuselage. Both the Rotax 503 and 582 are suitable.

Fk 9 Mark IV

The FK.9 Mk 3 appearened in 1997. The Mark 3 is a Mark 2 with a composite fuselage. The shell is stressed to take a Rotax 912.

By 2010 the Mk.IV was in production. The Mk.IV can have a factor fitted glider tow hook, and folding wings for storage. They can be registed as LSA

Fk-Lightplanes is the first manufacturer to offer the Mercedes engine system in a serial aircraft. For this the FK9 Smart was created. This design is not just an FK9 fitted with a Mercedes Smart engine. This concept uses the lightweight FK9 Utility airframe, with more sophisticated paintwork and furnishings than the basic version. The streamlined technology implemented includes practical systems and instruments; superfluous details have been deliberately excluded. Configuration and equipment are serial installations but the plane comes ready to fly. This allows a serial price that is below a similarly equipped Rotax FK9.




FK9 Mark 2
Empty weight: 190 kg
Wing span: 9.85 m
Wing area: 11.6 sq.m
Fuel capacity: 42 lt
Certification: Vz
Engine: Rotax 503, 50 hp
MAUW: 450 kg
Seats: 2
Max speed: 180 kph
Cruise speed: 165 kph
Minimum speed: 65 kph
Climb rate: 5 m/s
Fuel consumption: 10 lt/hr
Price (1998): 57 000 DM
FK 9 Mark 3
Empty weight: 270 kg
Wing span: 9.85 m
Wing area: 11.6 sq.m
Fuel capacity: 42 lt
Certification: Vz
Engine: Rotax 912, 80 hp
MAUW: 450 kg
Seats: 2
Max speed: 240 kph
Cruise speed: 195 kph
Minimum speed: 65 kph
Climb rate: 5.50 m/s
Fuel consumption: 10.8 lt/hr
Price (1998): 86 500 DM


FK 9 Mk IV
Engine: Rotax 912 / 912-S
Empty weight: 268 kg
Max. demonstrated take off weight: 544 kg
Demonstrated ultimate loads: +6,1 / -3 g (520kg)
Wingspan: 9,85 m
Length: 5,85 m
Height: 2,15 m (trigearversion)
Vstall: 64Km/h
Vne: 230 km/h
Cruise (75%): 192 km/h / 197 km/h
Take off run over 15m obstacle: 220 / 175m
Best climb: 1000 / 1500 ft/min at 95km/h

FK 9 Mk IV Utility
Stall: 35 kt / 40 mph / 64 kmh
Cruise: 106 kt / 122 mph / 197 kmh
VNE: 116 kt / 134 mph / 215 kmh
Empty Weight: 257 kg / 567 lbs
MTOW Weight: 520 kg / 1146 lbs
Climb Ratio: 1500 ft/min / 8 m/s
Take-off distance (50ft obstacle): 570 ft / 175 m


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