Originally Posted by
Jan Olieslagers
* a properly trained pilot does not need this kind of gimmick at all. An approaching stall is felt in the seat of the pants (or skirt) and should trigger a warning automatically and instinctively.
There are aircraft types where you would like to know that the stall approaches way before the shaking starts. Low wing symmetric wing profile during a turn won't give you too much time before a stall and a spin developed from it. An AOA indicator is the best for those cases in my opinion.