The Boeing B-17 Flying Fortress is an American four-engined heavy bomber aircraft developed in the 1930s for the United States Army Air Corps (USAAC). A fast and high-flying bomber, the B-17 was used primarily in the European Theater of Operations and dropped more bombs than any other aircraft during World War II .

4x Wright Cyclone GR-1820-97 nine cylinder radial engines with General Electric B-22 waste gas turbochargers with 1,200 hp start performance and 1,380 hp emergency-combat-management in 26,700 feet of altitude. Cylinder drilling: 155.6 mm; Piston stroke: 174 mm; 29.88 liters. 13 x .50 calibre machine guns. Maximum bomb load: 7983 kg.

2024年8月2日 · The B-17's technical specifications underscore its place as a technological marvel of its time. With a maximum speed of around 287 miles per hour (293 km/h) and a range exceeding 2,000 miles (3,219 km) while carrying 6,000 lbs (2,700 kg) of bomb-load, the B-17 could penetrate deep into enemy territory, striking key targets with precision.

2025年2月14日 · Rendered obsolete by the larger and more powerful B-29 Superfortress, the B-17 served on after the war in small numbers as a search-and-rescue aircraft modified to drop life rafts by parachute. Description of the B-17 Flying Fortress, a …

Boeing B-17 Flying Fortress Performance: Top Speed: 249 knots / 287 mph / 461 km/h: Cruise speed: 158 knots / 182 mph / 293 km/h: Landing Speed: 76 knots / 87 mph / 141 km/h

The Boeing B-17 Flying Fortress four-engine heavy bomber is one of the most famous, and successful, airplanes ever built. The B-17 received the name "Flying Fortress" from a Seattle news reporter who commented on its defensive firepower, and said "It's a Flying Fortress".

2024年4月8日 · The Boeing B-17 Flying Fortress was a four-engined heavy bomber plane used by the air forces of the United States and Britain during the Second World War (1939-45). The B-17 had unusually heavy defensive armament, 13 machine guns in total in some models.

2013年1月22日 · The initial Boeing B-17 Flying Fortress production batch comprised thirty-nine B-17Bs with modified noses, larger rudders, and internal improvements. They were followed by thirty-eight B-17C s (higher-powered Cyclones and revised armament), twenty of which were supplied to the Royal Air Force (RAF) in 1941 as the Fortress Mk I .

This site deals with various technical aspects of the United States Air Force, primarily the aircraft.

The Boeing B-17 Flying Fortress and the Consolidated B-24 were the United States' two standard heavy bombers until the arrival of the Boeing B-29 Superfortress in 1944. The B-17 served in almost every theater of World War II, but it was used mostly by the US Eighth Air Force, based in the UK, to bombard German targets.