Hey Kev,
Have a look at this old post of mine re the German WW2 torpedo gyro - it explains (well I hope it does!) how the limiter (points "B" & "C") restricts the initial movement of the gyro until the compressed air has sufficient time to spin it up to the operating rpm.
http://www.bocn.co.uk/vbforum/thread...5-Torpedo-Gyro
In the restricted position, the compressed air nozzle is directed onto the machined "buckets" around the circumference of the gyro, enabling optimization to the required operating rpm.
If you compared a number of different torpedo gyros, the steering gyros all appear to be based on a standard physical size and construction- there are also "other" gyros used in some torpedoes (aerial) for stabilizing, which are normally physically smaller compared to the steering gyro.
Cheers
Drew
Bookmarks