[sidewndr46]

Yeah, I certainly figure someone has done this before with varying success. At the extreme end I imagine someone could just design a dial with a centrifugal clutch that if spun beyond a certain speed clutches out permanently and locks the dial shaft. My limited understanding of anti-theft mechanisms in safes is they are generally destructive, making it impossible for anyone to open the safe once activated.

[michaelt]

With traditional safe combination locks, it's kinda normal for them to be spun fairly fast.

Often to enter the first digit you often have to turn the wheel four full revolutions, the second digit three full revolutions and so on. So users will be trying to spin it pretty fast under normal operation.

Of course there are other solutions to autodialers. For example, making sure burglers can't spend 3 days with the safe waiting for the autodialer to run.