Electrically Suspended Gyroscope (ESG)

Electrically Suspended Gyroscope (ESG)

Item Details

Model Number: ESG
Period of Use: 1978-9 to Present
Description:
Inertial navigation systems based on the electrically suspended gyroscope (ESG) have proven to be... the most accurate implementation of inertial navigation. Uses a free-rotor, two-degree-of-freedom gyro where a spinning rotor ball is suspended by an electric field in a vacuum. Primarily used in submarine and strategic navigation applications.
Item History:
Developed by Honeywell Corporation, initially conceptualized by Professor Arnold Nordsieck in 1954. Technical Specifications: Rotor made of hollow beryllium. Includes ceramic envelope, vacuum pump, optical pickoffs, suspension electronics. Rotor spins at approximately 2,590 revolutions per second.

Additional Images

Exploded view of MESG

Exploded view of MESG

MESG build-up with Vac-Ion Pump

MESG build-up with Vac-Ion Pump

XN88A Binnacle Platform

XN88A Binnacle Platform

Location/Ownership: ARL Penn State
Submission Author: Marvin May, ARL Penn State