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This is a type of gyroscope used in a number of inertial guidance systems, including the Polaris Submarine-launched ballistic missile and the Apollo Command Module guidance system. It was designed at the MIT Instrumentation Lab in Cambridge, Mass., and manufactured by the AC Spark Plug Division of General Motors in Milwaukee, Wisconsin.

 Display Status

This object is not on display at the National Air and Space Museum. It is either on loan or in storage.
Object Details
Country of Origin United States of America Type INSTRUMENTS-Navigational Manufacturer AC Spark Plug Division, General Motors Corporation
 Dimensions 3-D (Misc. Hardware: Largest): 13.3 × 7.6 × 6.7cm (5 1/4 × 3 × 2 5/8 in.)
3-D (Misc. Hardware: Smallest): 3.5 × 3.5 × 4.1cm (1 3/8 × 1 3/8 × 1 5/8 in.)
 Materials Steel
Aluminum
Plastic
Ceramic
Copper Alloy
Unknown Metal
Textile
Coating
Synthetic
 Inventory Number A20090047000 Credit Line Gift of Delphi Electronics & Safety Data Source National Air and Space Museum Restrictions & Rights Usage conditions apply
For more information, visit the Smithsonians Terms of Use.