While chasing rotary dreams, Mazda continued to produce conventional ... This size increase over the earlier 12A engine came from using thicker rotors. For the REPU, this naturally aspirated ...

A first-generation Mazda RX-7 with just 1,567 miles on the ... an auto box didn’t help the performance cause. The carb-fed 12A rotary was rated at just 100 hp (101 PS) and 105 lb-ft (142 Nm ...

Mazda stunned the world with the RX-Vision concept last year and now we have the first details on its new rotary engine. Currently under development, Mazda’s next-generation rotary engine has ...