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The B-17 evolved through numerous design advances [4] [5] but from its inception, the USAAC (from 1941 the United States Army Air Forces, USAAF) promoted the aircraft as a strategic weapon. It was a relatively fast, high-flying, long-range bomber with heavy defensive armament at the expense of bomb load.
A payload range diagram (also known as the "elbow chart") illustrates the trade-off. The top horizontal line represents the maximum payload. It is limited structurally by maximum zero-fuel weight (MZFW) of the aircraft. Maximum payload is the difference between maximum zero-fuel weight and operational empty weight (OEW).
The B-17G Flying Fortress was equipped with 11 to 13 machine guns and capable of a 9,600-pound bomb load. ... A B-17 with 13 people aboard crashed at a 2019 air show in Connecticut, killing seven ...
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 ...
Example of a ballistic table for a given 7.62×51mm NATO load. Bullet drop and wind drift are shown both in mrad and MOA.. A ballistic table or ballistic chart, also known as the data of previous engagements (DOPE) chart, is a reference data chart used in long-range shooting to predict the trajectory of a projectile and compensate for physical effects of gravity and wind drift, in order to ...
[97] [98] The B-17, of the 224th AAF Base Unit, out of Sioux City Army Air Base, Iowa, was part of a formation of bombers on a camera-gunnery mission, en route to Bruning AAF, which was flying in several elements. The fighter struck the wing man of the second element of the low formation. [99] Only four crew of ten aboard the B-17 managed to ...
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“Over-the-shoulder” delivery. Toss bombing (sometimes known as loft bombing, and by the U.S. Air Force as the Low Altitude Bombing System, or LABS) is a method of bombing where the attacking aircraft pulls upward when releasing its bomb load, giving the bomb additional time of flight by starting its ballistic path with an upward vector.