I have noticed this behaviour on some soviet tanks; the turret rotation speed can be increased by turning the hull which is a big advantage when coupled with a stabiliser.
When turning the hull, a full 360 can be done in 8 seconds, but if you turn the turret itself, that same 360 takes 28 seconds !
Any explanations ?
The turret was ordered to stay on target and just followed orders.
Simple as that
Good soviet turrets follow orders
jokes aside, is this a bug that needs to be reported ?
not really, its just how stabilizers are modeled in game
this is an issue with how stabilisers work in game. you can make a turret stay on target and your hull span 180 degrees in less than a second sometimes