Bombardier with the Norden Bombsight on Tinian after the dropping of. The Norden bombsight was a tachometric used by the (USAAF) and the during, and the in the and the to aid the crew of aircraft in dropping accurately. Key to the operation of the Norden were two features; an that constantly calculated the bomb's trajectory based on current flight conditions, and a linkage to the bomber's autopilot that let it react quickly and accurately to changes in the wind or other effects. Together, these features allowed for unprecedented accuracy in day bombing from high altitudes; in testing the Norden demonstrated a (CEP) of 23 metres (75 ft), an astonishing performance for the era. This accuracy allowed direct attacks on ships, factories, and other point targets. This view of a Norden bombsight shows the. The telescope for the bombsight is toward the upper center of the bombsight. To the right are five manual controls for. Bombardiers took an oath to guard the Norden bombsight with their lives to. The Mighty Eighth War Manual, by Roger. HistoryNet.com is brought to. Both the Navy and the AAF saw this as a means to achieve war aims through high-altitude bombing, without resorting to area bombing, as proposed by European forces. To achieve these aims, the Norden was granted the utmost secrecy well into the war, and was part of a then-unprecedented production effort on the same scale as the. Ranked 46th among United States corporations in the value of World War II military production contracts. In practice it was not possible to achieve this level of accuracy in combat conditions, with the average CEP in 1943 being 370 metres (1,200 ft). Both the Navy and Air Forces had to give up on the idea of pinpoint attacks during the war. The Navy turned to and to attack ships, while the Air Forces developed the lead bomber concept to improve accuracy. Nevertheless, the Norden's reputation as a pin-point device lived on, due in no small part to Norden's own advertising of the device after secrecy was reduced during the war. The Norden saw some use in the post-World War II era, especially during the. Post-war uses were greatly reduced due to the introduction of radar-based systems, but the need for accurate daytime attacks kept it in service for some time. The last combat use of the Norden was in the 's squadron, which used them to drop sensors onto the as late as 1967. The Norden remains one of the best known bombsights of all time. Bombardier with the Norden Bombsight on after the dropping of The Norden Mk. XV, known as the Norden M series in Army service, was a used by the (USAAF) and the during, and the in the and the. It was the canonical design, a system that allowed it to directly measure the aircraft's ground speed and direction, which older bombsights could only estimate with lengthy in-flight procedures. The Norden further improved on older designs by using an that constantly calculated the bomb's impact point based on current flight conditions, and an that let it react quickly and accurately to changes in the wind or other effects. Together, these features seemed to promise unprecedented accuracy in day bombing from high altitudes; in peacetime testing the Norden demonstrated a (CEP) of 75 feet (23 m), an astonishing performance for the era. This accuracy would allow direct attacks on ships, factories, and other point targets. Both the Navy and the AAF saw this as a means to achieve war aims through high-altitude bombing; for instance, destroying an invasion fleet by air long before it could reach US shores. To achieve these aims, the Norden was granted the utmost secrecy well into the war, and was part of a then-unprecedented production effort on the same scale as the. Ranked 46th among United States corporations in the value of World War II military production contracts. In practice it was not possible to achieve the expected accuracy in combat conditions, with the average CEP in 1943 of 370 metres (1,200 ft) being similar to Allied and German results. Both the Navy and Air Forces had to give up on the idea of pinpoint attacks during the war. The Navy turned to and to attack ships, while the Air Forces developed the concept to improve accuracy, while adopting area bombing techniques by ever larger groups of aircraft. Nevertheless, the Norden's reputation as a pin-point device lived on, due in no small part to Norden's own advertising of the device after secrecy was reduced late in the war. The Norden saw some use in the post-World War II era, especially during the. Post-war use was greatly reduced due to the introduction of radar-based systems, but the need for accurate daytime attacks kept it in service for some time. The last combat use of the Norden was in the 's squadron, which used them to drop sensors onto the as late as 1967. The Norden remains one of the best-known bombsights of all time. Contents • • • • • • • • • • • • • • • • • • • • • • • • • • • History and development [ ] Early work [ ] The Norden sight was designed by, a Dutch engineer educated in who emigrated to the U.S. In 1911, Norden joined to work on ship gyrostabilizers, and then moved to work directly for the as a consultant. At the Navy, Norden worked on a catapult system for a proposed that was never fully developed, but this work introduced various Navy personnel to Norden's expertise with gyro stabilization.
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