The Fw 159 was a parasol-wing fighter with retractable landing gear, competing with the Messerschmitt Bf 109. Three were built, the first flying in 1935. They suffered from serious problems with their landing gear, the second prototype being reinforced.

V 1
Engine:
Junkers Jumo 210A, 610 hp
Prop: metal three-bladed variable pitch
Wingspan: 12,40 m
Length: 10,00 m
Height: 3,75 m
Wingarea: 20,20 sq.m
Empty weight: 1875 kg
MTOW: 2250 kg
Power loading: 111,38 kg/sq.m
Power loading: 3,688 kg/hp
Vmax: 385 km/h
Ceiling: 7200 m
Range: 650 km
Armament: 2 MT MG 17, 7.92 mm.

V 2
Engine: Junkers Jumo 210B, 640 hp
Prop: Schwartz two-blade wood variable pitch
Wingspan: 12,40 m
Length: 10,00 m
Height: 3,75 m
Wingarea: 20,20 sq.m
Empty weight: 1875 kg
MTOW: 2250 kg
Wing loading: 111,38 kg/sq.m
Power loading: 3,515 kg/hp
Vmax: 333 kph @ SL, 370 kph @ 1500 m, 385 kph @ 4000 m
Vcruise: 365 kph @ 2700 m
ROC: 6000 m in 12 min 30 sec
Ceiling: 7200 m
Range: 650 km
Armament: 2 MT MG 17 7,92 mm

V 3
Engine: Junkers Jumo 210G, 730 hp
Vmax: 405 kph @ 4500 m.