The fame rotary engine of Mazda is now part of the electric vehicle with range extender gasoline engine. Displacing mere 330cc, the rotary engine has an advantage of super compact packaging which enable it to be installed beneath the boot floor of the compact car, the Mazda2, or Demio as it is known in Japan.
For the technology demonstrator, Mazda has equipped the car 75kW electric motor powered by lithium-ion battery pack. The electric power unit is mounted at the front of the car engine bay, while the rotary engine is installed at the rear, beneath the boot. This is primarily because the engine flat in nature and can be packaged in a horizontal layout. Other advantage of the rotary engine is its quietness, 87dBA at 3,000rpm instead of up to 96 dBA with other type of engine. Displacing 330cc, the engine is connected to 9L fuel tank and can produce up to 25kW of power.
Photo source: Carwatch
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