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Glenn’s Computer Museum
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MG-1 Mechanical Central Air Data Computer

This is a Bendix MG-1 Air Data Computer. It was first used in the F-86 Sabre jet fighter. The F-86 was effectively the first U.S. jet fighter, first deployed in 1949.

I actually have two (slightly different versions) of the MG-1. Figures 1 and 2 show a complete unit. Figures 3-6 show a second unit where I have cut the sealed container to expose the wonderful innards. Inside is a mixture of mechanical pressure sensors (the two cylinders at the top of Figure 3), many mechanical calculating mechanisms, and a number of electrical sensors.