Aside from providing extreme responsiveness, these electric motors also allow for torque vectoring, regenerative braking and energy conversion. The Regera has three YASA developed electric motors, which supplement the energy from the combustion engine. In its place, the KDD provides direct drive to the rear axle from the combustion engine without the need of multitude gears or a variable transmissions, all of which have inherently high energy losses.ĭuring highway travel, for example, the KDD reduces drivetrain losses compared to a traditional transmission or CVT by over 50% as there is no step up or step down gear working in series with the final drive – just direct power sent from the engine to the wheels. The patent-pending KDD replaces the combustion engine’s traditional transmission – the gearbox as you know it is removed from the car. The Koenigsegg Direct Drive transmission (KDD) was invented by Christian von Koenigsegg and developed for the Regera by the Koenigsegg Advanced Engineering team. While ‘series’ hybrids are less compromised when it comes to weight, complexity and costs, they are compromised when it comes to efficiency as there is too much energy conversion taking place. Traditional ‘parallel’ hybrids are compromised and heavy as they have two independent propulsion systems moving the car.
It is a new breed of Koenigsegg and a new breed of car, for that matter. Instead, the Regera is a new breed of hybrid. The Regera is not what we at Koenigsegg would call a traditional hybrid as it does not have the traditional shortcomings of a hybrid. Traditional hybrids represent a compromise when it comes to weight, complexity, cost, packaging and efficiency.
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