From "Plastic kit constructor Nº 69"
Specifications:
He 280A-1 He 280B-1
Engines 2x Heinkel 001A 2x Jumo 004B
Engine thrust 750 kg (1653 lbs) 900 kg (1984 lbs)
Empty Weight 3215 kg (7088 lbs) ?
Maximum Weight 4300 kg (9480 lbs) 5170 kg (11,376 lbs)
Max Speed at sea level 870 kph (540mph) 800 kph (498 mph)
Max Speed at 6000m (19,690 ft)900 kph (559 mph) 880 kph (547 mph)
Max rate of climb 19.1 m/sec (3760 fpm) 24.65 m/sec (4355 fpm)
Range 970 km (603 miles) 718 km (446 miles)
Armament 3x 20mm 6x 20mm
Bombload None 1100 lbs (500 kg)