A Steinhagen-Stranski SS-20 engine has been adapted for light aviation. It gave 20 HP (14.7 kW) and was installed on a Pou-du-ciel.

“SS-20 engine” (RMV Archive)

-The A.H. Steinhagen-Stranski company converted an engine from a certain J. Sachas. (see). This is not the important German motorcycle and engine factory Sachs.