From Appendix 9: The founder of Otto Schwade & Co. had a son named Hans James Schwade who became a pilot in 1910.

-Later he built Farman-type planes. He took over the company he named Schwade & Co. to make engine accessories such as gas and liquid pumps and also made upgraded Gnome-licensed radial rotary engines. (see Schwade & Co.).

From Appendix 12: Below we show a new illustration of a rotary engine of this brand.

“Schwade rotary engine”

“Schwade 4-cylinder fan-shape engine”

-In the German Flugsport magazine this photo appears with a Schwade 4-cylinder, fan-shape engine that gives 16 PS (CV).