After it's birth in October 1943, in May 1944 the Ju-390 was re-certified with greater range and Gross take off weight.This followed the stripping of 5,000kg of equipment, such as armaments, radar sets etc from the airframe. To put it bluntly, the Ju-390 was nothing if not slow. It had almost double the wing area of a B-29 bomber however providing amazing lift. 


Dimensions:
V1 Fuselage    31.1 metres
V2 Fuselage    34.4 metres (112 ft. 2.5 in)
Height             6.89 metres  (22 ft. 7 in)
Span               50.3 metres (165 ft)
Wing area      254 m² (2,730 ft²)

Weights
Gross MTOW             75,500kg (166,448 lb) / 80,500kg (post May 1944)
Design payload         10,000kg   ( 22,046 lb)
Empty                        36,900kg ( 81,350 lb) / 31,900kg (after May 1944)
Fuel Weight              28,600kg  ( 62,995 lb) 10,500 US gal / 39,740 Litres
Consumption Cruise   275 US gal /hour (1650 litres/hour)  @ 1800 rpm

Speeds
Max Cruise            272kt (505 kph)
Econ Cruise           232kt (430 kph)
Landing speed        66kt (122 kph)

Runway performance
Take off distance at Gross weight    550 metres (1,833 ft)
Landing distance at Gross weight    510 metres (1,700 ft)

Range  7,400 nautical miles (13,760 km) @ Economical cruise speed (232 kt)












A collection of information about the Ju-390's Amazing Career in WW2