The Return of the Rotary Engine: Mazda's MX-30REV

🔁The Mazda MX-30REV features a lower revving, single rotor rotary engine that directly injects fuel into the combustion chamber for better fuel economy and atomization.

🔋The rotary engine is used as a range extender in the MX-30REV, powering a generator that provides electricity to an electric motor.

💡Mazda has implemented technologies like exhaust gas recirculation and aluminum side housings for weight savings and improved efficiency.

🏎️The compact size of the rotary engine allows for efficient power generation and weight savings compared to other engine options.

🌐The MX-30REV is designed to be an eco-friendly vehicle with its rotary engine serving as a range extender for the electric motor.

What is a rotary engine?

—A rotary engine is a type of internal combustion engine that uses a rotor instead of reciprocating pistons. It offers advantages such as compact size, high power-to-weight ratio, and smooth operation.

How does the rotary engine work in the MX-30REV?

—The rotary engine in the MX-30REV is used as a range extender, meaning it powers a generator that provides electricity to an electric motor. It does not have a direct link to the driven wheels of the vehicle.

What are the advantages of direct fuel injection in the rotary engine?

—Direct fuel injection in the rotary engine allows for better fuel economy, improved atomization of fuel, and reduced unburned fuel emissions. It also helps to keep the fuel in the main area of the combustion chamber.

How does exhaust gas recirculation improve efficiency?

—Exhaust gas recirculation helps to reduce heat loss in the rotary engine, resulting in improved efficiency at low loads and low RPMs. It contains some of the heat within the engine, which would otherwise be lost.

Is the Mazda MX-30REV a fully electric vehicle?

—The Mazda MX-30REV is not a fully electric vehicle. It uses a rotary engine as a range extender to generate electricity for an electric motor, which powers the vehicle. It features a combination of electric and combustion engine technology.

00:00The Mazda MX-30REV introduces the return of the rotary engine after 10 years.

00:45The new rotary engine is a lower revving, single rotor design with direct fuel injection.

02:57Exhaust gas recirculation and aluminum side housings contribute to weight savings and improved efficiency.

05:00The rotary engine in the MX-30REV serves as a range extender for the electric motor.

07:31The compact size of the rotary engine allows for efficient power generation and a smaller overall footprint.