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Originally Posted by wdfifteen
The first generation Volt was a "serial hybrid" as you described. The second generation had a way to directly connect the ICE to power output. It was pretty complicated and when in electric power mode it was only an assist to the electric motor.
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I read that about the 1st gen Volt twice now (
thank you for the confirmation). The long and in depth 4-modes of operation I read a few days ago must have been on the 2nd gen, at the time I did not know there were differences.
Cannot find it now, but read 70% of Mazda's sales in Japan are serial hybrid rotary.
Ram is coming out with a serial hybrid pickup truck with good range and great towing capacity.
https://insideevs.com/reviews/712120/mazda-mx-30-range-extender/
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Just like the BMW i3 REx or the Ramcharger, the MX-30 RE-V has no way for its combustion engine to power the wheels directly. It is an 830cc single-rotor Wankel unit located under the MX-30’s quite long hood.
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https://www.evo.co.uk/mazda/205567/mazda-rotary-engine-reborn-as-an-ev-range-extender
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As a result the new rotary engine is a much lower-output unit than Mazda’s last twin-Wankel unit that powered the RX-8 sports car. Condensed down to a 830cc single-rotor unit, it produces 73bhp at 4700rpm and 85lb ft of torque slightly lower down the rev-band at 4000rpm. Being integrated into a range extender-style plug-in hybrid, the rotary engine doesn’t actually drive the front wheels, instead acting as a generator to both recharge the batteries when they’re depleted and provide extra current for the 166bhp electric motor.
The rationalisation for developing this all-new rotary engine comes not from its outright performance, rather its compact packaging and smooth running. In being independent from the driven wheels, it also means that Mazda’s able to finely control the warm-up and running parameters, ensuring that the high fuel consumption and longevity issues that have long plagued rotary engines can be managed.
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Mazda 787B: the anatomy of a rotary Le Mans icon
Mazda’s screaming rotary underdog is one of Le Mans’ most iconic winners. Three decades on, there’s still magic in car no. 55
https://www.evo.co.uk/mazda/206847/mazda-787b-the-anatomy-of-a-rotary-le-mans-icon
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Normally, the 787B is kept at Mazda’s museum in Hiroshima. In 2023, it paid only its fourth visit to the UK. Following a star turn in the winners’ parade lap for Le Mans’ 2023 centenary, it crossed the channel to take to the Goodwood Festival of Speed hill with Johnny Herbert – one of the car’s three drivers in that fairytale ’91 win – behind the wheel. In between, it was sequestered at Mazda UK’s press HQ – where we had a whole day alone with it, to pore over its details and capture them to memory card for these exclusive pictures. Even with the rotary engine silent and the car static – in a room, in Dartford – that aura was present in spades.
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