31. Further aviation benefits of a Wankel engine include: 32. Surface temperatures behave absolutely differently; the film of oil in the Wankel engine acts as insulation. 33. Mazda was fully committed to the Wankel engine just as the energy crisis of the 1970s struck. 34. The SNS-9 uses the Rotax 503 as its standard powerplant and had an optional Wankel engine available. 35. Wankel engines are internal combustion engines using an eccentric rotary design to convert pressure into rotating motion.36. Its goal was to produce Wankel engines . 37. Mazda has developed Wankel engines burning hydrogen. 38. Another non-piston engine that would appear would be a Wankel engine , otherwise known as the rotary engine. 39. Development of the miniature Wankel engine stopped at UC Berkeley at the end of the DARPA contract. 40. The AE75 engine has a wankel engine .
