|Object Name:||Harrier SAAHS Rate Gyro Mechanism|
|Year of Manufacture:||circa 1982|
|Location:||Main Object Store|
A rate gyro is a type of gyroscope which, rather than indicating direction, indicates the rate of change of angle with time. The gyro has only one gimbal ring, with consequently only two planes of freedom and is used to measure the rate of angular movement.
This Rate Gyro was supplied for the Harrier SAAHS, (Stability Augmentation and Attitude Hold System). It was manufactured by Elliotts using a Northrop GR-H4 Gyro.
As well as the given P/N & S/N the item is also marked:
"4400-4240 Iss 2".
Within the item is a rate gyro marked:
Code No. K0656
Ser. No. 12758/82
Spec No. 205-S-52 Iss 2
This is very similar to ODGY0842.