The F6F hellcat would be a good one to convert.  I just finished one over the weekend I was given as a gift.

There is plenty of room to house a 5 in 1 unit like out of a micro T28...but the weight may be too much.  It may be better suited for the electronics out of one of the new "Beast" micro bipes.

Only thing is after you get done buying all of the electronics, batteries, covering...you are gonna have about 150 bucks in something that may or may not fly.

The biggest thing will be modifying the ribs in the wing to accept some sort of spar to keep the wing from folding in on itself.  Also, would need to modify the horizontal stab to have an elevator.  I would think rudder would be optional...if you wanted one you would have to mod the vertical stab too.

Id really like to do this.  Just cant see spending the money on the electronics to tinker.  Id rather put that kind of coin into something that I KNOW will fly.

Just my .o2's</p>