Junkers Ju-390

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,

One in tail and one in nose.

Hardpoints

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.

 

 

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