Achim Engles (the Fokker man) says this engine (U.I) was not used, but the Oberursel Ur.II 110hp was. So need to build that as well.
In the mean time, here is a viewable 3D inside a pdf file. Enjoy.
http://www.mossie.me.uk/ww1/models/f...r_v1_wipv9.pdf