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HomeAutomobile NewsHow Koenigsegg reinvented the handbook transmission for the CC850

How Koenigsegg reinvented the handbook transmission for the CC850

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The Koenigsegg CC850 that debuted throughout August’s 2022 Monterey Automotive Week is a re-imagination of the Swedish agency’s first manufacturing automotive, and one of many highlights is a transmission like no different.

The CC850 makes use of a model of the 9-speed Mild Pace Transmission from the Koenigsegg Jesko, however with a brand new Have interaction Shifter System (ESS) that makes the automated transmission rework right into a 6-speed handbook (it nonetheless maintains the complete computerized mode with 9 gears, although). This Engineering Defined video supplies a deep dive into Koenigsegg’s reinvented handbook.

First, the mechanical variations. the ESS gearbox has a clutch pedal like a traditional handbook, nevertheless it’s by-wire, and as an alternative of 1 clutch, the ESS has seven. These clutches deal with gear choice, eliminating the necessity for shifter forks and synchros. It additionally lacks a flywheel, so the engine connects on to the transmission.

Koenigsegg CC850

Koenigsegg CC850

The clutches are unfold out throughout two shafts. in computerized mode, one clutch on every shaft engages to present the ability a path to the rear wheels, whereas enabling all 9 ahead gears with out the necessity for what would in any other case be a really difficult shift mechanism. As with the clutch, the shifter is a by-wire system.

Within the CC850, the transmission will also be shifted manually by transferring a shift lever by means of gates, much like typical handbook gearboxes, whereas urgent the clutch pedal releases all seven clutches. Engagement nonetheless requires two clutches, however on this case a place sensor on the shifter controls the primary clutch, whereas foot stress on the clutch pedal controls the second clutch.

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The ratio that corresponds to every gear quantity can even change relying on the drive mode. For instance, in observe mode the transmission will begin out with second gear’s ratio as first, however then change to 3rd gear’s ratio when you get going. That successfully tightens up the ratio unfold with out having to bodily swap out gears. 

As for reverse, it depends upon whether or not the automotive is being pushed in computerized or handbook mode. The motive force makes use of the clutch pedal for handbook mode, and would not for computerized mode. And the transmission is aware of when the automotive is in computerized mode as a result of reverse is positioned instantly above drive within the shift sample.

And whereas the clutch pedal is by-wire, with no mechanical connection to the various bodily clutches, it is designed to simulate the texture of an analog left pedal. That really feel is replicated by software program based mostly on parameters from a conventional handbook. It would even authentically stall.

Which means you get the comfort of an computerized and the texture of a handbook in a single transmission—one which’s lighter than a traditional handbook, Koenigsegg claims. Going from 9 out there gears in computerized mode to 6 in handbook mode might result in some massive gaps between ratios, however even that’s handled by the tighter ratio set utilized in observe mode. Clients do not appear anxious about any potential drawbacks; Koenigsegg has already introduced that it is upping CC850 manufacturing to satisfy robust demand.

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