27 Apr '13, 1pm

Volvo Completes Flywheel Hybrid Tests

Volvo Completes Flywheel Hybrid Tests

Mounted to the rear wheels of what would “normally” be a front-wheel-drive car (“normally” because Volvo offers both front-wheel and all-wheel versions of most of the cars it sells in the US), the hybrid system uses a flywheel that stores kinetic energy (similar, in principle, to the mechanism used in pull-back toy cars). In Volvo’s system, this “backwards force” occurs under braking. The driver simply applies the brakes “as usual” when approaching a red light or a corner, causing the flywheel to “spool up”, converting the car’s forward momentum and braking forces into motion. The inertial flywheel keeps spinning until the light turns green and the driver hits the accelerator, at which point the spinning mass applies power to the axle, driving the wheels for an extra boost of energy off the line.

Full article: http://gas2.org/2013/04/27/volvo-completes-flywheel-hybri...

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