Originally Posted by Lyman
Has it at any time been attempted to hold the trim wheel to prevent Autotrim?
Have line pilots ever done this? In addition to quick sticking to prevent the THS from Trimming? Could something have gotten stuck in one of the wheels? Was anyone sitting or resting a foot on the pedestal?
In the narrowbodies, I've attempted manual trim as per the FCOM' statement that manual trim is available and primary at all times. The manual lies. Auto trim fights the man trim wheel and removes any pilot applied man trim as soon as the pilot releases the wheel. When forced, the trim wheel will make jerk-y pitch movements.
In NO sense, does Airbus manual trim resemble manual trim in any other civilian jet of my experience. (various models of Lear, B737-engineering sim, DC9)
It is highly unlikely that anything could jam/interfere with the manual trim wheels. Only the top quarter of the wheel is available and it's tightly "cowled".