A NSUNeckarsulm Strickmaschinen Union RO viewed from above Development began in August and it was officially shown at the Frankfurt Auto Show It was named the Car of the Year in Originally it was to have a two rotor engine with x cc capacity The design of the RO was quite advanced for its time It was front wheel drive Suspension was fully independent It had fourwheel disk brakes with dual circuits as a safety feature Aerodynamic drag coefficient was amazingly low for its time though this was ultimately with larger tires and cooling openings