It is not an engine designed specifically for aviation, but it is based on the Junkers Jumo of opposed pistons in a single cylinder with the 2-stroke Diesel cycle.

“Lancia-Junkers engine”

-It is based on the Junkers Jumo 205. This design was also developed by Peugeot-Junkers (CLM).

-The Lancia-Junkers of photography gives 64 CV at 1,500 rpm. It has two vertical cylinders and four pistons (two in each),

-A second version has 3 cylinders and gives 95 CV.