Accelerometer, Integrating Gyro, V-2


Display Status:

This object is not on display at the National Air and Space Museum. It is either on loan or in storage.

Collection Item Summary:

This is a crucial component of the V-2 ballistic missile guidance system deployed by the Germans during World War II. It used a spinning gyroscope, mounted off-axis, to meaure the acceleration of the missile, and sent a signal to cut off the rocket motor when a desired velocity was achieved.

The device was given to the Smithsonian by the U.S. Navy in 1948, but otherwise its provenance is unknown.

Collection Item Long Description:

Inventory Number


Credit Line

Transferred from the U.S. Navy

Country of Origin



Aluminum, Steel, Plastic, Paint, Paper, Adhesive, Enclosed Electronics


Overall: 7 3/16in. x 7 1/2in. x 4 5/8in. (18.26 x 19.05 x 11.75cm)

Data Source

National Air and Space Museum

Restrictions & Rights

Do not reproduce without permission from the Smithsonian Institution, National Air and Space Museum


CRAFT-Missile & Rocket Parts

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