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By the time the definitive B-17G appeared, the number of guns had been increased from seven to 13, the designs of the gun stations were finalized, and other adjustments were completed. The B-17G was the final version of the Flying Fortress, incorporating all changes made to its predecessor, the B-17F, [ 63 ] and in total, 8,680 were built, [ 74 ...
The B-17B (299M) was the first production model of the B-17 and was essentially a B-17A with a slightly larger rudder, larger flaps, a redesigned nose and 1,200 hp (890 kW) R-1820-51 engines. The small, globe-like, machine gun turret used in the Y1B-17's upper nose blister was replaced with a .30 in (7.62 mm) machine gun, its barrel run through ...
The design was mainly deployed on the B-17 Flying Fortress and the B-24 Liberator, as well as the United States Navy's Liberator, the PB4Y-1. The ventral turret was used in tandem in the Convair B-32, successor to the B-24. Ball turrets appeared in the nose and tail as well as the nose of the final series B-24.
More than 10,000 B-17s were produced, but only a few survive today, according to Boeing. The B-17G Flying Fortress was equipped with 11 to 13 machine guns and capable of a 9,600-pound bomb load.
Machine guns. Berthier M1908 machine gun [7] (Air cooled version) Berthier M1911 machine gun [7] (Water cooled version) Caldwell M1915; Darne M1916 machine gun; De Knight M1902/17 [7] DWM Parabellum MG 13 [13] (A combination of water cooled version and air cooled version) Fokker-Leimberger M1916 machine gun; Johnston D1918 [14] Knötgen M1912 ...
The first anti-aircraft guns were devised out of necessity; Germany was far ahead of the Allies in using heavy indirect fire. The German Army employed 150 mm (6 in) and 210 mm (8 in) howitzers in 1914, when typical French and British guns were only 75 mm (3 in) and 105 mm (4 in). The British had a 6-inch (152 mm) howitzer, but it was so heavy ...
Because of the need for heavy artillery, many older guns from the 19th century were used. While these guns lacked the capabilities of newer artillery, they could still fire large shells over long distances. [3] Several new methods and tactics for artillery were developed during the war, including: Box barrage; Chinese barrage
Specialist (Scharfschützen) machine-gun units with 15–20 guns per division, were moved back to the artillery protective line, to act as rallying points (Anklammerungspunkte) for the front garrison and as the fire power to cover the advance of Eingreif units. Artillery was concealed in the same manner, lines of guns were abolished and guns ...