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The Stabilised Automatic Bomb Sight (SABS) was a Royal Air Force bombsight used in small numbers during World War II. The system worked along similar tachometric principles as the more famous Norden bombsight , but was somewhat simpler, lacking the Norden's autopilot feature.
This was designed not for accuracy above all, but ease of use in operational conditions. In testing in 1944, it was found to offer a CEP of 270 meters (890 ft), about what the Norden was offering at that time. This led to a debate within the RAF whether to use their own tachometric design, the Stabilized Automatic Bomb Sight, or use the Mk. XIV ...
The RAF was working on such a design, the Automatic Bomb Sight, but development was slow and it had not been accepted for use when the war started. Learning of a similar design developed by the US Navy , the Air Ministry began extensive negotiations in an effort to gain a production licence for this Norden bombsight .
An early bombsight, 1910s 1923 Norden MK XI Bombsight Prototype. A bombsight is a device used by military aircraft to drop bombs accurately. Bombsights, a feature of combat aircraft since World War I, were first found on purpose-designed bomber aircraft and then moved to fighter-bombers and modern tactical aircraft as those aircraft took up the brunt of the bombing role.
The Course Setting Bomb Sight (CSBS) is the canonical vector bombsight, the first practical system for properly accounting for the effects of wind when dropping bombs. It is also widely referred to as the Wimperis sight after its inventor, Harry Wimperis .
An Estoppey D-1 in the bomb aiming window of a Martin MB-2 bomber. In this case, the sight is rotated to the right to account for wind. The Estoppey D-series was a line of inter-war era bombsights developed by Georges Estoppey of the US Army Air Corps' McCook Field, starting with the D-1 of 1922.
Stabilised Automatic Bomb Sight This page was last edited on 9 June 2017, at 18:48 (UTC). Text is available under the Creative Commons Attribution-ShareAlike 4.0 ...
English: The Stabilized Automatic Bomb Sight was the RAF counterpart to the US's Norden bombsight. The bombsight proper is the clock-like device in the center, much of the framework around it is the stabilizer system that keeps it pointed at the ground while the aircraft moves.