Yes, Jean-Guy Rochefort does...bad news is that I no longer have his email address...
Jim Brown has a couple of videos on his site of some of them flying...these particular ones are DF, but there is at least one turbine powered one..
http://rcairgallery.com/pages/viewvi...41b0e65fb054ca
http://rcairgallery.com/pages/viewvi...41b0e65fb054ca