Sure but that would be to your own explanation since you can’t tell either when it does exactly brick your VESC, and when it doesn’t.
Sometimes it will catch it, sometimes it won’t act as a generator at all all of a sudden, sometimes it will brick it.
Disappointed here in your imprecision.
The DRV has a over voltage protection mechanism. But it has a reaction time of X milliseconds.
If you have no battery attached, you will likely see a vertical increase in voltage and the time to react is not given. Its like Corona: The curve is steep!
What he means is that free rolling with a dissconnected battery is fine…
Its the part where the battery is part of the circuit and you free roll and suddenly BMS disconnects the battery, boom → inductance of the wazoo generates a voltage spike, VESC dsn’t react in time → Poof.
Atleast thats my conclusion
Or when you touch the break slightly or give any input signal. If the VESC start switching the FETs it’s likely catastrophic. The voltage rise time is faster than the DRV reaction time.
How to interpret that without context?
It’s normal that you lose brakes if your battery cable disconnect during riding.
Pjotr, if you want… We can start MY resolution method eh…
Because i smell bs and my att is good at smelling bs. And expensive…
I am confused.
Doesn’t the vesc shut down when the BMS cuts out?
In which case it cannot accept any input signals such as braking?
Or does this happen in the milliseconds between the battery disconnecting and the vesc shutting down?
So to complete my question, why does that guy don’t kill his vescs.
Maybe he didn’t brake in the moment he lost connection to his battery.
I am 100% sure that guys tried to brake. He even told he don’t had brakes. Then you have to try it 
I am really thinking off testing all this on a new vesc. I really can’t understand you kill a vesc with such a things. Why do we ever need then over voltage setting in the esc tool?
As i said I do not know that context behind his message, but for me it reads that he lost power, so probably lost connection while accelerating or just holding the same speed. That he lost brakes as well he just realized after when he tried to brake but at this time the vescs already have been switched off.
But I also still don’t get how you managed to fry your vescs.
