Mazda Mx-30 Confirmed To Get Rotary Engine As Range Extender

Mazda MX-30 confirmed to get rotary engine as range extender

Mazda teased out the possible return of the rotary engine as a range extender in the MX-30 earlier this year, but now the rotary's return appears to be official for Mazda's new crossover. In a video (below, skip to 7:34, and turn on English subtitles) streamed to Mazda's official YouTube channel, CEO Akira Marumoto confirmed that Mazda will use a rotary engine in the MX-30.

Just as it was initially teased out, Mazda plans to use the rotary as a range extender on the otherwise all-electric version of the MX-30. Marumoto said that it will begin testing with a small batch of prototypes next year. The goal is to have a production version of the MX-30 with a rotary engine on Japanese roads in 2022.

Mazda Patent Shows Rotary Placement In Complex Awd Hybrid Layout

Mazda patent shows rotary placement in complex AWD hybrid layout

If we were playing alt-powertrain Bingo, a recent Mazda patent application filed in Japan would be one or two letters from victory. What's exciting about the patent, discovered by Japanese outlet T's Media via Motor Trend, is that while it makes a case for an internal combustion engine of any configuration, one of the drawings showing a rotary engine. The wild bit is that the whole powertrain comprises the ICE, a transaxle, two tiny in-wheel electric motors turning the front wheels, a third electric motor in the driveline, a capacitor, a lithium-ion battery, and three inverters. Motor Trend parsed the mechanics, and the way it reads, Doc Brown couldn't have done a better job.

The rotary engine at the front turns the rear wheels, but not directly. Instead of a flywheel on back of the engine, the drawing shows a 25-kW electric motor and an inverter, then a driveshaft running to the transaxle. Along the axis of the transmission tunnel in a normal car, between the inverter and the transaxle, lies a 3.5-kWh battery running at 48 volts. MT writes that the electric motor can add its output to the ICE output to drive the rear wheels, or the e-motor can turn the rear axle on its own.

Mazda Officially Hints Mx-30 Could Get A Rotary Range-extender

Mazda officially hints MX-30 could get a rotary range-extender

Mazda recently penned a paean to itself celebrating 100 years in business. This, naturally, meant the document also served as a love letter to the rotary engine, since, "The joy of driving, lightweight design and the rotary engine [are] three elements that define Mazda's DNA." One of those elements has been AWOL for eight years, since the end of RX-8 production. After years of rumor feverish enough to impress Slenderman, two years ago Mazda announced it was prepping a rotary range-extender engine for a model to debut in 2020. Here we are in the anticipated year, and we still don't know anything else about that vehicle — or perhaps we do.

When Mazda debuted the MX-30 battery-electric crossover in Tokyo last year, it bore an e-SkyActive powertrain with a 35.5-kWh battery sending current to an e-motor on the front axle producing 141 horsepower and 195 pound-feet of torque. With a range of around 130 miles on the European cycle, even though the crossover was meant for markets like Europe and Japan, almost everyone chimed, "This would be perfect for that range-extender engine."