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Japanese Makers Fire Electric Shots.

Both Nissan and Mazda have unveiled electric vehicles. Nissan’s is a test bed design and Mazda their first full production version. Nissan’s car is based on the Leaf e+ with Mazda naming theirs the MX30.

The Nissan has an all wheel drive system, with twin motors. Nissan also factors in their bespoke chassis control technology. The engines provide up to 227kW and a massive 680Nm of peak torque. The test car has a control system that adds regenerative braking to the rear motor as well as the front. Pitch and dive are minimised as a result. In addition to optimising the torque that’s spread between the front and rear, it also applies independent brake control at each of the four wheels to maximise the cornering force generated by each tyre.
Mazda’s car is an SUV as well. It’s powered by what Mazda call “e-Skyactiv system” It can be charged using AC power or rapid-charged using DC power. The system involves the battery, motor, an inverter and a DC-DC control unit. The inverter changes the DC to AC for the motors with the converter providing the charge for the onboard systems.

Mazda also engineer in a refrigerant cooling system that cools the battery pack when the temperature rises. By maintaining the best possible battery temperature even on hot days, the system helps protect the battery pack from degrading due to heat. Thin cooling tubes attached to the bottom plane of the battery module make contact with a heat exchanger. This structure contributes to realizing a compact battery pack. A sensor constantly monitors the battery’s temperature and controls the flow of coolant as needed. The result is an effective battery cooling system. There’s a single motor, mounted up front, and it will provide drive to the front or or four paws. The battery pack is rated at 35.5kWh, and has an expected range of around 200km. There is also a acceleration system called Motor Pedal. This adjusts on the fly response to throttle inputs and adjusts acceleration as well, depending on the speed the driver presses the accelerator pedal.

A key identifier for the MX-30 is the design. Not unlike the recently released 3 hatch, it features long and flowing lines, a curvaceous body, and suicide doors. It’s also green oriented, with cork and recycled plastic bottles being used in the interior trim. It’s not yet confirmed for the Australian market but it’s definitely in Mazda Au’s want list.

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