See this link for information on a recent installation of a Diesel WAM-120 in an RV-9A in England.  You have to love that British sense of humor sprinkled throughout  the article.  As with most of our Rotary experiences they too have faced some cooling issues which they have addressed in various ways and to some extent are still working to overcome...

 

 

Doug Lomheim

RV-9A; Leaving Alaska tomorrow to return to OK City to hopefully get back to work on my "rotary" cowling installation!