The Junkers Ju 390 was a German long-range derivative of the Junkers Ju 290 aircraft, intended to be used as a heavy transport aircraft, maritime patrol aircraft and long-range bomber.
It was one of the aircraft designs submitted for the failed Amerika Bomber project.
Variants
Ju 390 V1
First prototype.
Ju 390 V2
Second prototype.
Specifications
Crew
10
Capacity
10,000 kg (22,046 lb)
Length
34.201 m (112 ft 2.5 in)
Wingspan
50.32 m (165 ft 1 in)
Height
6.88 m (22 ft 7 in)
Wing area
253.600 m2 (2,729.73 sq ft)
Empty weight
36,900 kg (81,350 lb)
Max take-off weight
75,500 kg (166,450 lb)
Fuel capacity
34,096 l (9,007 US gal; 7,500 imp gal)
Powerplant
6 × BMW 801E 14-cylinder two-row air-cooled radial piston engines, 1,470 kW (1,970 hp) each for take-off
1,300 kW (1,740 hp) at 1,970 m (6,450 ft)
1,090 kW (1,460 hp) at 6,200 m (20,340 ft)
Propellers
3-bladed VDM constant-speed propellers
Performance
Maximum speed
505 km/h (314 mph, 273 kn) at 6,200 m (20,340 ft)
Cruise speed
357 km/h (222 mph, 193 kn) at 2,500 m (8,200 ft)
Range
8,000 km (4,970 mi, 4,320 nmi) Ju 390 V1 with 10,000 kg (22,046 lb) payload and 34,096 l (9,007 US gal; 7,500 imp gal) fuel at 330 km/h (210 mph; 180 kn) and 2,000 m (6,500 ft)
Combat range
9,704 km (6,030 mi, 5,240 nmi) (reconnaissance)
Combat range
(bomber)
9,254 km (5,750 mi; 4,997 nmi) with 1,930 kg (4,255 lb) bomb load
Armament
Guns
(proposed)
2 × 20 mm MG 151/20 cannon in dorsal turrets
1 × 20 mm MG 151/20 in tail
2 × 13 mm (.51 in) MG 131 machine guns at waist
2 × 13 mm (.51 in) MG 131s in gondola
Proposed fitment of a pair of 4 x MG 131 Hecklafette HL 131V quad mount manned turrets,
