Two things occur to me (sitting comfortably in an armchair of course): (1) If the rudder was hard over and unmovable, would it be possible to kill the power on one side to create asymmetric thrust to at least somewhat counteract the problem and (2) In the first picture, why chose an outboard engine to be the only one running? Wouldn't it have been better to have chosen an inboard engine? (maybe there were necessary services like a hydraulic pump attached to that engine)
Question: what are the things that stick up from the middle of the upper wing surfaces? (the squareish things, not the aileron balance horns)