Christian von Koenigsegg Details The Jesko’s Innovative ‘Light Speed’ Transmission

The all-new Koenigsegg Jesko doesn’t just feature a phenomenal twin-turbo 5.0-liter V8 with up to 1578 hp; it also premieres the Swedish automaker’s innovative ‘Light Speed Transmission’. Christian von Koenigsegg recently explained this transmission to Road & Track.

As the carmaker was developing its successor to the Agera, it realized that a dual-clutch transmission capable of handling 1100 lb-ft (1491 Nm) of torque would have weighed roughly 440 lbs (200 kg). Koenigseggs are meant to be light, so that was not an option.

Consequently, Koenigsegg decided to develop its very own transmission for the Jesko. And what a transmission it is.

The Light Speed Transmission is made up of eight actuators, eight pressure sensors, and eight clutches, one of which is used for the electronic differential. There are also six actuators for the forward gears on three shafts and an actuator for reverse. Do the math and that means there are two clutches per shaft.

The unconventional design is all packed together in a cast aluminum housing. According to von Koenigsegg, this tight packaging, as well as a super-lightweight crankshaft, means the Jesko will “rev like a Formula One engine on idle. And sound completely crazy.”

You may think cramming all those components into a transmission would result in something that’s far too heavy for any Koenigsegg model. However, it doesn’t. In fact, the Jesko’s Light Speed Transmission weighs just 198 lbs (90 kg) and can handle the hypercar’s 1100 lb-ft of torque. To put that into perspective, the dual-clutch transmissions found in mid-engine Ferraris and McLarens can only support 660 lb-ft of torque and weigh 275 lbs (124 kg).

Koenigsegg also says its Light Speed Transmission allows for direct shifts between gears, meaning drivers can shift from 7th to 4th, or any other combination, almost instantly.

The creation of this transmission, as well as Koenigsegg’s Freevalve camless engine, just goes to show you don’t need to be a global automotive giant to push the industry forward.

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  • Blade t

    Impressive ..

  • Mill0048

    The engineering creativity show in developing this transmission is what I love about cars. Solving a problem with impressive results. I hope I still get excited about similar achievements when electric CUVs rule the world.

  • donald seymour

    The rendering didn’t sit so well with me, but see the pictures in the flesh, it’s jaw dropping.

    • exeptor

      Same here. Live photos do the justice of this car. Not that it is pretty in the classic way, but definitely an astonishing one to look at.

  • alexxx

    Just WOW!!

  • Truenorth 1960

    To me the bigger comment with respect to not needing to be a global giant to be innovative, is that allowing companies to become gigantic and oligopolistic or even monopolistic, in spite of the known anti-competitive nature of such an economic structure (allowing this concentration is based on the false belief that large is required 2 have the money to invest to innovate in the modern economy) is the recipe for mediocrity from an innovation and invention point of view.

  • D3Seeker

    Sexy, in and out

  • SteersUright

    Stunning machine that can be maintained by no-one. If Koenigsegg ever goes out of business, I’d love to see the first indy shop that tries to rebuild this transmission. Pragmatism aside, what a stunning machine!!

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