Proper Plane Kits has released the Oberursel Ur.II rotary engine in 1:32 scale
This is partial text from the full article (usually with photos) at https://aeroscale.net/news/oberursel-ur-ii-engine-released
This is partial text from the full article (usually with photos) at https://aeroscale.net/news/oberursel-ur-ii-engine-released