I tried a YS 110 in my Conquest VI equipped with a Dave Brown mount which is the same as the MK, and it shook the mount to pieces and damaged the belly pan shaking so much. In my experience, it just won't work. I'm considering going electric on this plane so I can get to fly it, because there's no other style of soft mount to put in the plane, and I'm worried that the YS will beat the airframe itself up if I hard mount it. The short version, nope, it won't work.

Roy Aultman
Forest MS