Ursinus Leichtmotorenbau of Frankfurt, Germany built only the low-power Ursinus aircraft engine described here.
O-66 -- {3.347 / 3.780 / 66.5} / {85 / 96 / 1090}
2cyl; U-2; 18hp@2300rpm, 21@2500 (TO); 1927; Wt = 50-63#.
Single-ignition engine for powered gliders.
Ae39.
Applications: None found.