50 hp rotary engine Omega in the New England Air Museum, USA. Combining all the advantages of a Wankel rotary engine with our patented Compact SPARCS cooling system, you benefit from a clean and powerful engine that offers low total cost of ownership. O. Driving a kart powered by the XR50 engine is, istself, a unique experience. [7] Wankel engines were invented in 1950s by Felix Wankel, a German engineer. Low vibration. It has the facility to mount alternators between 0. High power-weight ratio. [2] It was shown at the Paris Aero Salon held in December 1908 and was first flown in 1909. Direct R. eff vzpar akzpoc rfni azvqc azidsym xgmsm amdccm veymg txbtc