SEARCH

Mazda Plans Rotary Engine That Drives Wheels, Not Just Powers Battery

Mazda is working on a new rotary engine setup that could directly power a car’s wheels instead of only charging its battery. This is a notable change from the current MX-30 R-EV model, where the rotary engine works solely as a generator for the electric system.

Rotary Engine Could Return as a Propulsion Source

Mazda Motor Europe’s product-planning manager, Moritz Oswald, revealed that the company aims to bring back the rotary engine’s traditional role. Instead of the engine running just to generate electricity, future versions could contribute directly to driving the car. Oswald has not confirmed exactly which model will get this or when it might arrive.

He pointed out that the appeal of the rotary engine is not fuel efficiency but its unique sound, smoothness, and the feeling it gives drivers. Mazda appears keen on preserving these characteristics while making the engine meet modern emission rules. Their likely solution is a hybrid system where the car starts driving in electric mode first and then adds the rotary engine’s power later on.

Hybrids Without CVT to Keep Driving Feel

Oswald ruled out using a continuously variable transmission (CVT), explaining it reduces driver engagement and the “real connection” with the car. This suggests Mazda is focusing on a setup where the rotary’s distinctive sporty feel remains intact.

Currently, the MX-30 R-EV uses the rotary as a range extender: the engine spins a generator to charge the battery, and electric motors move the wheels. The new rotary project would be different by linking the engine to the drivetrain itself.

Engineering Progress Supports the Plan

Mazda continues to develop rotary technology seriously. A recent patent details an improved exhaust gas recirculation system for rotary engines. This addresses an old issue where rotary designs burned extra fuel to cool the engine and keep emissions in check. The patent shows Mazda’s efforts to reduce emissions while holding on to the rotary’s distinctive traits.

Mazda’s commitment to rotary engines has been consistent since the 1960s and remains strong inside the company. While no new rotary-powered RX sports car is officially announced yet, these developments suggest Mazda keeps the door open to bringing rotary engines back as a direct power source with hybrid help.

Source: motor1.com