The present invention relates to a reaction wheel assembly and fiber optic
gyro device. The device includes a reaction wheel assembly having a
reaction wheel assembly housing, a fiber optic gyro coil integrated with
the reaction wheel assembly housing, and a fiber optic gyro electronics
integrated with the reaction wheel assembly housing. The fiber optic gyro
coil may be wound around the reaction wheel assembly housing. The gyro
coil may also be located within the reaction wheel assembly housing.