This order was then followed by thirty-nine B-17Bs. The B-17As were equipped with five of either 0.30 caliber or 0.50 caliber machine guns and the engines were changed to 850 hp Wright R-1820 Cyclones.6 Another record breaking flight was on February 15, 1938. Six Fortresses took off...
The Machine and His Men", by Robert Coalter. We were approaching the target. You could sense it. You could smell it. We entered the flak box, that area in the sky near a target where the German anti-aircraft guns concentrated their deadly curtain of steel. All the men could do was ...
B-17空中堡垒轰炸机(B-17 flying fortress)是美国波音在1930年代为美国陆军航空军所发展的四发动机重型轰炸机。当时参与竞争此200架新型轰炸机合约的还有道格拉斯和格伦·L·马丁两家公司。在三家竞争者之中,波音设计的机型不但性能突出且更加的符合美国陆军航空军之期望。然而,由于B-17的原型机在一次试飞时坠毁,波音...
Which Was Top Gun? Outgunned, but Not Outclassed: The Avro Lancaster Had No Ventral Gun Turret, Unlike the American B-17 Flying Fortress (Right)Byline: Charles LeggeQUESTIONWhy did British World War II Lancaster and Halifax heavy bombers not have a ventral gun turret like the American Flying...
The mission plan was for the nine B-17 Flying Fortresses to take off fromGarbutt FieldonFebruary 22, 1942during the evening and fly northward overnight without escort as the distance was beyond the range of Allied fighter aircraft. OnFebruary 23, 1942at dawn the bombers would arrive overSimp...
Boeing B-17 Flying Fortress Role: Strategic bomber National origin: United States Manufacturer: Boeing First flight: 28 July 1935 Introduction: April 1938 Retired: 1968 (Brazilian Air Force) Primary users:United States Army Air Force, Royal Air Force ...
The B-17 Flying Fortress flew for the first time on 28th July, 1935. The aircraft, with its nine man crew, had a maximum speed of 317 mph (510 km) and had a range of 3,000 miles (4,800 km). It was 73 ft 10 in (9.83 m) long with a wingspan of 103 ft (31.62 m). The...
"Fifi," the world's only flying Boeing B-29 Superfortress, in her element. Photo by Buck Wyndham History:The B-29's predecessors, the XB-15 and theB-17 "Flying Fortress"were, in a sense, the failed products of United States Army Air Corps (USAAC) mid-1930's "Project A," which...
The Model 32 had a wingspan six feet greater than the B-17 Flying Fortress, but despite being longer, the wing area was 25% less than on the B-17. The high aspect-ratio wing reduced drag and provided greater fuel efficiency, but there was a tradeoff. The B-24’s wing loading was ...
The second prototype followed and this time a large, rounded single vertical tail fin was fitted - its shape similar to that as seen in the Boeing B-17 "Flying Fortress" and upcoming B-29 lines. The pressurization issues led to the aircraft being now relegated to the low-to-medium altitud...