This motorcycle brand built the RO-135 rotary engine that gave 114 hp and was installed on the Fanliner, a German training aircraft.

-Already in the AUDI group, they made the EA-871 (KKM-871) model.

-The former reference is from 1973 and the latter from 1977 for the same engine. It gave 220 hp.

“Double NSU coupling”

From Appendix 6: We now have a first version of a NSU rotary engine. Later it was abandoned by the engineers as it finally turned into a nightmare.

“NSU Experimental” (PiP=ps)

The following is the version of NSU that would be developed by Curtiss-Wright, who was the owner of the German invention rights in the USA.

“NSU-Wankel motor” (PeT=ps)

This motorcycle brand made some models with Wankel-type rotary engines. Some of them have been adapted for aviation and are installed on motorgliders.

-Now we have located a “Twin Pack” concept, two engines linked by a gearbox. They are NSU-Prinz twin-body engines.

“Twin Pack NSU para aviación”

-This type of engine was distributed by ATC Sales & Services.