This is a case of wanting to try a bit of different engineering, and because the opportunity is there. The plane is an old ducted fan model which I had extensive experience with landing deadstick. It will slow down to a crawl if you are not careful to keep the airspeed up. I wouldn't be considering it but the hinges needed to be changed so the opportunity presented itself.
As a side note I have worked really hard to NOT have protruding parts like horns, hence the torque rods, and because the surfaces are all less than 17 square inches torque rods work quite effectively.
I can't think of any other solutions than servos in the wings or nested brass torque rods ( which work very well ).
The reason of why-- because I wanted to, not because I needed to.
John