These are for the First class chair control, i helped design one for a company a few years ago.
Backlash will be a problem.
Also they normally have a long lead so it can be back driven if the power fails.
Quote Originally Posted by irving2008 View Post
Interesting but I wonder about backlash... aircraft positional control doesnt need high spec in terms of backlash and since it has a 'mechanical detach' I suspect the backlash could be problematic