1st Flight 1943
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 takeoff 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, one in tail and one in nose.
Hard points: 4 with a capacity of 3,968 lb (1,800 kg) each,
Missiles: 4x Henschel Hs 293 or
4x Henschel Hs 294 or
4x FX 1400 Fritz-X.
…………………………………………………………………………………………………………………………………………………………………………………………………………………………………
