A number of EB-47E, an ECM (Electronic Counter Measures) variant, remained operational until 1977 by which time a total of 2,042 B-47 Stratojets had been produced. The Boeing B-47E Stratojet Armament: - Guns: Twin 20 mm M24A1 cannon
- Bombs: 25,000 lb (11,000 kg) of conventional or nuclear bombs
The Boeing B-47E Stratojet Specifications: - Crew: 3
- Length: 107 ft 1 in (32.6 m)
- Wingspan: 116 ft 0 in (35.4 m)
- Height: 28 ft 0 in (8.5 m)
- Empty weight: 79,074 lb (35,867 kg)
- Maximum takeoff weight: 230,000 lb (100,000 kg)
- Engines: Six 7,200 lbf (32 kN) General Electric J47-GE-25 turbojets
- Maximum speed: 607 mph (527 kn, 977 km/h)
- Cruise speed: 557 mph (484 kn, 896 km/h)
- Combat radius: 1,749 NM (2,013 mi, 3,240 km) with 20,000 lb (9,000 kg) bomb-load
- Service ceiling 33,100 ft (10,100 m)
- Rate of climb: 4,660 ft/min (23.7 m/s)
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