Originally Posted by
Water pilot
I read several hundred posts ago MCAS uses a circuit that trims faster than the thumb switches, which is a key part of the problem. Just using the thumb switches is what the first victims did, and we have all been told that was obviously wrong and poor airmanship.
If you look at the FDR traces, there's not a huge difference between the rate at which the stab moved ANU in response to crew trim commands, and the rate that MCAS drove it AND. Time to knock this one on the head.
