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The PIGA was based on an accelerometer developed by Dr. Fritz Mueller, then of the Kreiselgeraete Company, for the LEV-3 and experimental SG-66 guidance system of the Nazi era German V2 (EMW A4) ballistic missile and was known among the German rocket scientists as the MMIA "Mueller Mechanical Integrating Accelerometer". This system used ...
He developed the PIGA accelerometer. [2] and worked on gyroscopes for Nazi Germany's Kriegsmarine. Later on, he worked on the guidance and control system for the A3 test rocket, the A5, and the A4 ballistic missile. [3] Under Project Paperclip, Mueller emigrated to the United States on 16 November 1945 with the Argentina group.
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The sensors used in AIRS are floated gas bearing gyroscopes and SFIR accelerometers, which are derivatives of PIGA accelerometers. Although this type of accelerometer is most accurate, it contains many precise parts, making it very expensive to build (approximately $6,000,000 per AIRS unit in 1987, not including development costs). PIGA/SFIR ...
From 100 mg to 10 μg for accelerometers. To get a rough idea, this means that, for a single, uncorrected accelerometer, the cheapest (at 100 mg) loses its ability to give 50-meter accuracy after around 10 seconds, while the best accelerometer (at 10 μg) loses its 50-meter accuracy after around 17 minutes. [15]
Charles Stark "Doc" Draper (October 2, 1901 – July 25, 1987) was an American scientist and engineer, known as the "father of inertial navigation". [2] He was the founder and director of the Massachusetts Institute of Technology's Instrumentation Laboratory, which was later spun out of MIT to become the non-profit Charles Stark Draper Laboratory.
The ST-120 provided accelerometer information for all three axes. The accelerometer for forward movement transmitted its position to the ball position radial arm, causing the ball fixture to move away from the disk center as acceleration increased. The disk itself represents time and rotates at a constant rate.