The Probert Encyclopaedia of Aircraft

BOEING B-17

The Boeing B-17 (Flying Fortress) was an American long-range medium bomber/reconnaissance aircraft used during the Second World War. It carried a crew of nine or ten and was powered by four 1200 hp turbocharged Wright R-1820-97 Cyclone radial piston engines providing a top speed of 462 kmh and a range of 3219 km. Armaments consisted of thirteen 0.5 inch machine-guns and up to 7984 kg of bombs.
Research Boeing B-17