Koenigsegg Jesko

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Koenigsegg Jesko
GIMS 2019, Le Grand-Saconnex (GIMS0833).jpg
Pre-production model of the Jesko Attack at the 2019 Geneva International Motor Show
Overview
Manufacturer Koenigsegg Automotive AB
Production2021–present
Designer
Body and chassis
Class Sports car (S)
Body style 2-door targa top
Layout Rear mid-engine, rear-wheel-drive
Doors Dihedral Synchro-Helix
Powertrain
Engine 5,065 cc (5.1 L; 309 cu in) twin-turbocharged V8
Power output
  • 1,280 hp (1,298 PS; 954 kW) (petrol)
  • 1,600 hp (1,622 PS; 1,193 kW) (E85)
Transmission 9-speed Koenigsegg LST multi-clutch
Dimensions
Wheelbase 2,700 mm (106.3 in) [1]
Length4,610 mm (181.5 in) [1]
Width2,030 mm (79.9 in) [1]
Height1,210 mm (47.6 in) [1]
Curb weight
  • Jesko Attack: [2]
  • 1,420 kg (3,131 lb)
  • 1,320 kg (2,910 lb) (dry weight)
  • Jesko Absolut: [3]
  • 1,390 kg (3,064 lb)
  • 1,290 kg (2,844 lb) (dry weight)
Chronology
Predecessor Koenigsegg Agera

The Koenigsegg Jesko is a limited production mid-engine sports car produced by the Swedish automobile manufacturer Koenigsegg. The car was introduced at the 2019 Geneva Motor Show and was completely sold out before the show ended. [4] [5] [6] Succeeding the Agera, the Jesko is named as a tribute to the company founder's father, Jesko von Koenigsegg. [7] There are two variations of the car, the "Absolut" and the "Attack". [8]

Contents

The automobile is named after Jesko von Koenigsegg, the father of Christian von Koenigsegg Jesko Koenigsegg Genf 2019 1Y7A5892 (cropped).jpg
The automobile is named after Jesko von Koenigsegg, the father of Christian von Koenigsegg

Specifications

Engine

The 5.0-litre twin-turbocharged V8 engine used in the Jesko along with the exhaust system Koenigsegg, GIMS 2019, Le Grand-Saconnex (GIMS1051).jpg
The 5.0-litre twin-turbocharged V8 engine used in the Jesko along with the exhaust system

The engine is a development of the 5.1 L (5,065 cc) twin-turbocharged V8 engine used in the Agera. It has four valves per cylinder each with a bore and stroke of 92 mm × 95.25 mm (3.62 by 3.75 inches) and a compression ratio of 8.6:1. The engine has a power output of 1,280 hp (1,298 PS; 954 kW) at 7,800 rpm and 1,000 N⋅m (738 lb⋅ft) of torque at 2,700 to 6,170 rpm on normal petrol and has a power output of 1,600 hp (1,622 PS; 1,193 kW) and 1,500 N⋅m (1,106 lb⋅ft) of torque at 5,100 rpm on E85 biofuel. [9] [10]

Changes from the Agera's engine include the use of a new 180-degree flat-plane crankshaft that saves 5 kg (11 lb) and increases the redline from 8,250 rpm to 8,500 rpm. The Jesko also utilises active rubber mounts from the Regera that reduce engine vibrations in the cabin. The two large turbochargers are equipped with a 20-litre air tank made from carbon fibre, coupled with an electric compressor which feeds pressurised air to the turbochargers at a pressure of 20 bar (290 psi) in order to reduce turbo lag. The engine has pressure sensors for each cylinder in order to achieve real time cylinder monitoring for the multipoint fuel injection system. [7] [11]

Transmission

The engine is mated to an in-house developed 9-speed multi-clutch transmission called the "Light Speed Transmission (LST)" [1] by the manufacturer. The new transmission has a weight of 90 kg (198 lb) and it is at least 50% shorter in length than the previous 7-speed dual-clutch unit. It has 9 forward gear combinations using a layout with an input shaft with 3 fixed gears which is mated to a secondary shaft with 3 gears fixed to the output shaft and 3 clutched gears mated to the input shaft and an output shaft with 4 clutched gears (one set is used for reverse which mates directly to the input shaft), allowing the transmission to change gears without an interruption in power delivery due to the speedy nature of clutch actuation and overlap between the clutches opening and closing. The engine's crankshaft is mated directly to the LST and uses the rotating mass of the transmission components in place of a traditional flywheel. [12] The transmission has a shift time ranging from 20 to 30 milliseconds. It also has an overdrive mode called "Ultimate Power on Demand" that is designed to skip directly to the optimal gear depending on user input, rather than down or upshifting sequentially to that gear. [7] [13]

The transmission is controlled by an onboard computer which uses engine and road speed data to engage a gear. Gears are selected by the driver either using the shift paddles mounted on the steering column or the gear selector. [14]

GearRatio [15]
1st gear4.7200:1
2nd gear3.6441:1
3rd gear2.8744:1
4th gear2.2500:1
5th gear1.7371:1
6th gear1.3702:1
7th gear1.0783:1
8th gear0.8325:1
9th gear0.6566:1

Chassis and suspension

The Triplex damper system in the Jesko Koenigsegg Jesko Genf 2019 1Y7A5543.jpg
The Triplex damper system in the Jesko

Unlike its predecessors, the high-downforce Attack variant of the Jesko has Koenigsegg's 'Triplex' dampers at the front and the rear combined with traditional Öhlins dampers. A horizontal rear damper prevents the rear from pressing on the ground during hard acceleration. The front dampers stabilise the car at high speeds while active rear wheel steering ensures further stability at all performance levels.

The carbon body tub used in the Jesko is 40 mm (2 in) longer and 22 mm (1 in) wider from that of its predecessor in order for more passenger room. The tub has been redesigned and incorporates an aluminium monocoque structure for increased rigidity. [16]

Wheels, brakes and tires

The optional carbon fibre aircore wheels showing the carbon ceramic brakes Koenigsegg Jesko, GIMS 2019, Le Grand-Saconnex (GIMS1043).jpg
The optional carbon fibre aircore wheels showing the carbon ceramic brakes

The car comes standard with forged aluminium centre lock wheels, with diameters of 20 inches at the front and 21 inches at the rear. [1] Lighter carbon fibre wheels are available as an option, weighing 5.9 kg (13 lb) at the front and 7.7 kg (17 lb) at the rear. The tyres are Michelin Pilot Sport Cup 2's with codes of 265/35 20 for the front and 345/30 21 for the rear. [17] [7] Michelin Pilot Sport Cup 2 R tyres dedicated for track driving are also available as an option. The braking system uses ventilated carbon-ceramic discs.

Interior

Interior Koenigsegg Jesko Genf 2019 1Y7A5542.jpg
Interior

The use of a redesigned monocoque improves leg and headroom in the interior of the Jesko when compared to previous Koenigsegg models. Though weight saving is a priority for interior features, the car is still equipped with amenities such as a climate control system, an infotainment system with a 9.0-inch screen, Apple CarPlay and USB phone charging. The car has unique screens mounted in the steering wheel spokes and a 5.0-inch screen mounted behind the steering wheel displaying vital information to the driver. The seats will be made from hollow carbon fibre but will be electrically adjustable. [14] [16]

Exterior

The user accessible compartments open along with doors Koenigsegg Jesko, GIMS 2019, Le Grand-Saconnex (GIMS0826).jpg
The user accessible compartments open along with doors

The Jesko shares Koenigsegg's 'Autoskin' capabilities from the Regera, allowing for remote operation of doors and the hood. It is also possible to hydraulically lift the front and rear axles of the car to give additional ground clearance. The doors have been redesigned so that they open further outward and have more ground clearance while open. The roof has screws in order to ensure it remains in place during high speed driving. [16]

Production

Production of the Jesko will be limited to 125 units, with 40–50 units being produced each year. Unlike its predecessors, the Jesko will be homologated worldwide. [13] It was announced in March 2019 that all the build slots of the Jesko were sold out. [18]

The Jesko will be offered in either a high-downforce Attack or low-drag Absolut configuration, with subtle differences between the two variants. The Attack variant, as shown at the 2019 Geneva Motor Show, comes equipped with the dual front and rear 'Triplex' damper system and added aerodynamic features for track use. [13] Due to this dual suspension setup, it is not possible to store the Targa roof in the front of the car, although this is possible in the Absolut as it will not have a front 'Triplex' damper system or front hood air dam. [16] In July 2021, Koenigsegg revealed the first pre-series production Jesko and claimed that the first Jesko customer cars are slated for delivery in spring 2022. [19] The first car was delivered in June 2023. [20] [21]

Variants

Jesko Attack

View of the boomerang rear wing Koenigsegg Jesko Genf 2019 1Y7A5553.jpg
View of the boomerang rear wing

The Jesko Attack is the high-downforce, default version of the Jesko. This variant has a large rear-wing and a large carbon fiber front splitter that Koenigsegg claims to generate 800 kg (1,764 lb) of downforce at 249 km/h (155 mph), 1,000 kg (2,205 lb) at 275 km/h (171 mph) and 1,400 kg (3,086 lb) at its top speed. [10] This car lapped the Gotland Ring in 2:56:97, smashing the Porsche 911 GT2 RS MR's lap time. [22]

Jesko Absolut

Koenigsegg Jesko Absolut front view Koenigsegg Jesko Absolut mock-up (20220401) 01.jpg
Koenigsegg Jesko Absolut front view
Koenigsegg Jesko Absolut rear view Koenigsegg Jesko Absolut mock-up (20220401) 02.jpg
Koenigsegg Jesko Absolut rear view

Unveiled online alongside the Gemera on 3 March 2020, the Jesko Absolut is a high speed version of the Jesko. The rear wing on the Jesko Attack is replaced by two rear fins which enable a reduction in downforce from 1,400 kg (3,086 lb) to 150 kg (331 lb) and a drag coefficient of Cd=0.278. The front splitter and side winglets are removed and the front louvers are smoother with the rear wheels featuring removable covers for high speed stability. The vehicle is also slightly elongated featuring a rear extension which adds 85 mm (3 in) of additional length. The engine and transmission remain the same as the Jesko Attack. 3,000 hours were spent on the aerodynamic analysis while an additional 5,000 hours were spent design and engineering work of the Absolut. The Absolut will be priced higher than the Jesko due to the development work taken to lower the drag coefficient. The Jesko Absolut is estimated by the manufacturer to have a top speed around 500–560 km/h (310–350 mph). [23] [24] [25] [26] [27]

Awards

See also

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References

  1. 1 2 3 4 5 6 "Jesko – Koenigsegg". Koenigsegg. 5 March 2019. Archived from the original on 6 March 2019. Retrieved 5 March 2019.
  2. ↑ "Jesko Attack". Koenigsegg. Archived from the original on 6 September 2023. Retrieved 4 September 2023.
  3. ↑ "Jesko Absolut". Koenigsegg. Archived from the original on 7 June 2023. Retrieved 4 September 2023.
  4. ↑ Brown, Dalvin (21 March 2019). "Koenigsegg sold 125 copies of its $3 million Jesko 'megacar' within 5 days of its debut". USA TODAY. Archived from the original on 23 April 2023. Retrieved 12 January 2023.
  5. ↑ "The Koenigsegg Jesko has already sold out". Top Gear. 20 March 2019. Archived from the original on 12 January 2023. Retrieved 12 January 2023.
  6. ↑ Perez, Jeff (19 March 2019). "Koenigsegg Jesko Sold Out Before The Geneva Motor Show Ended". Motor1.com. Archived from the original on 12 January 2023. Retrieved 12 January 2023.
  7. 1 2 3 4 Rix, Jack (5 March 2019). "This is the Koenigsegg Jesko, and it's the world's first 300mph car". Top Gear. Archived from the original on 6 March 2019. Retrieved 5 March 2019.
  8. ↑ "Koenigsegg confirms the Gemera will be delivered in 2023". Top Gear. 18 August 2021. Archived from the original on 12 January 2023. Retrieved 12 January 2023.
  9. ↑ "Jesko". Koenigsegg. Archived from the original on 6 March 2019. Retrieved 9 December 2019.
  10. 1 2 "This is the Koenigsegg Jesko, the world's first 300mph car". Top Gear. 5 March 2019. Archived from the original on 29 December 2019. Retrieved 9 December 2019.
  11. ↑ Bigg, Martin (5 March 2019). "Koenigsegg Jesko Revealed As Agera RS Successor". Carbuzz. Archived from the original on 23 April 2023. Retrieved 5 March 2019.
  12. ↑ Colwell, K.C. (14 September 2019). "Koenigsegg's New Light Speed Transmission Promises Ultraquick Shifts". Car and Driver. Archived from the original on 17 September 2019. Retrieved 14 September 2019.
  13. 1 2 3 Pétrány, Máté (5 March 2019). "The Koenigsegg Jesko Has 1600 HP and Promises a 300-MPH Top Speed". Road & Track. Archived from the original on 5 March 2019. Retrieved 5 March 2019.
  14. 1 2 Newman, Scott (5 March 2019). "Koenigsegg Jesko revealed: 2019 Geneva Motor Show". Which Car?. Archived from the original on 6 March 2019. Retrieved 5 March 2019.
  15. ↑ "We Dig Into the Koenigsegg Jesko's revolutionary Light-Speed Transmission". BMW BLOG. 16 March 2019. Archived from the original on 23 April 2023. Retrieved 17 March 2019.
  16. 1 2 3 4 Vijayenthiran, Viknesh (6 March 2019). "Koenigsegg Jesko deep dive: 7 clutches 1,600 hp, $3M". Motor Authority. Archived from the original on 8 March 2019. Retrieved 7 March 2019.
  17. ↑ Tsui, Chris (5 March 2019). "Koenigsegg Jesko: A Swedish 'Megacar' With 1,600 HP, Seven Clutches, and 300-MPH Top Speed". The Drive. Archived from the original on 5 March 2019. Retrieved 5 March 2019.
  18. ↑ "Koenigsegg Jesko Sold Out". Koenigsegg. 19 March 2019. Archived from the original on 20 March 2019. Retrieved 19 March 2019.
  19. ↑ "Koenigsegg Jesko Gets Ready to Rock". News Powered by Cision. 15 July 2021. Archived from the original on 27 October 2021. Retrieved 14 October 2021.
  20. ↑ "First customer Koenigsegg Jesko gets a shakedown prior to delivery". thesupercarblog.com. 1 June 2023. Archived from the original on 1 June 2023. Retrieved 5 September 2023.
  21. ↑ "First Production Koenigsegg Jesko Will Soon Be Delivered To Customer". www.motor1.com. 1 June 2023. Archived from the original on 5 September 2023. Retrieved 5 September 2023.
  22. ↑ Bell, Sebastien (27 November 2023). "Watch 1,600HP Koenigsegg Jesko Set New Lap Record At One Of Europe's Longest Tracks". Carscoops.
  23. ↑ Szymkowski, Sean (3 March 2020). "Koenigsegg Jesko Absolut: This supercar has a date with 300 mph". Roadshow by CNET . Archived from the original on 3 March 2020.
  24. ↑ "Choosing Between Koenigsegg's Gemera and Jesko Absolut, a Most Enviable Dilemma". 12 March 2021.
  25. ↑ Perkins, Chris (5 March 2020). "The Koenigsegg Jesko Absolut Can Do 330 MPH in Theory, But it Needs Space". Road & Track. Archived from the original on 8 March 2020. Retrieved 6 March 2020.
  26. ↑ Padeanu, Adrian (3 March 2020). "Koenigsegg Jesko Absolut Revealed As The Fastest Car Koenigsegg Would Ever Make". Motor1. Archived from the original on 23 March 2020. Retrieved 6 March 2020.
  27. ↑ "Koenigsegg Jesko Absolut production underway, top speed attempt in 2024". 7 February 2024.
  28. ↑ "Revealed: the winners of the 2022 TopGear.com Awards". TopGear. Archived from the original on 17 December 2022. Retrieved 17 December 2022.
  29. ↑ "The Jesko wins Hypercar of the Year at BBC Top Gear Awards for 2022". news.cision.com. 30 November 2022. Archived from the original on 17 December 2022. Retrieved 17 December 2022.
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