The B-17C introduced a number of improvements over the B-17B, including more powerful Wright R-1820-65 engines. To improve crew safety, the waist-mounted machine gun blisters were replaced with teardrop-shaped, slide-out Perspex window panels flush with the fuselage, and the ventral blister was replaced by a lower metal gondola housing dubbed a ...

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 dropped more bombs than any other aircraft during World War II, used primarily in the European Theater of Operations.

2024年12月10日 · The B-17C had a maximum speed of 323 miles per hour (520 kilometers per hour) at 25,000 feet (7,620 meters). Its service ceiling was 37,000 feet (11,278 meters) and the maximum range was 3,400 miles (5,472 kilometers).

The B-17C was the first version of this bomber which obtained Royal Air Force (British air force RAFs). The 20 copies which arrived in England at the beginning of 1941 were called Fortress I there. They led their first mission under No 90 squadron on July 8th, 1941. As she bombed Wilhelmshaven from 9145 m of height.

They were modified Boeing production B-17C, given the company designation Model 299T. The modifications were the addition of self-sealing tanks and replacement of the single nose gun with 0.5 inch Brownings. In Britain, the plane performed unremarkably. By 1941 September, 39 sorties had made up 22 missions.

The Boeing B-17C was the second production model of the famous Flying Fortress bomber. They performed poorly in action so the B-17 was dramatically redesigned before entering mass service with American armed forces. The first B-17 flew in 1935 and the first version, the B-17B, made its first flight on 27 June 1939. The B-17C…

2018年10月8日 · The B-17C changed from 1,000-hp to 1,200-hp Wright R-1820-65 radial engines. Flat sliding gun panels were installed instead of waist gun blisters, providing greater crew safety and cleaner design.

The B-17C emphasized improvements in combat survivability. The teardrop gun blisters on the sides of the fuselage were replaced by flush-mounted windows. The blisters had limited the vertical gun traverse severely, while contributing to drag and interfering with airflow over the horizontal tailplane.

2024年2月26日 · The B-17 played a significant role in the preparation and execution of the D-Day landings by targeting German defenses in Normandy. A burned U.S. Army Air Forces Boeing B-17C Flying Fortress (s/n 40-2074) rests near Hangar 5, Hickam Field, Oahu, Hawaii (USA), on 7 December 1941.

The B-17C differed from the earlier B-17 versions in having the gun blisters removed from the sides of the rear fuselage and replaced by flush, oval-shaped windows. Each of the oval windows had a port for a single 0.50-inch machine gun cut into its edge.