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A523 Formula 1

Chief Technical Officer Pat Fry and Technical Director Matt Harman have led the Enstone programme for chassis development, seeking to make improvements over the winter to the package, while Executive Director Bruno Famin, in Viry-Châtillon, has worked hand in hand with Enstone to integrate the power unit.

Formula 1

Alpine A523

BWT Alpine F1® team is located in the UK and France.

The Enstone location hosts the plant where Alpine A523 chassis are designed and assembled. For 30 years, first with Renault F1® and now with Alpine F1®, Enstone has seen talented engineers working in more than 25 departments – from aerodynamics to validation testing – to continually improve the performance of our race cars.

This site is also home of the Ops team who brings support during race weekends.

Viry-Châtillon is home to Alpine’s most iconic plant. It is dedicated to engine design, assembly and testing for all F1® race cars.

- Chassis
  Moulded carbon fibre and aluminium honeycomb composite monocoque, manufactured by Alpine F1® Team and designed for maximum strength with minimum weight. Renault E-Tech 2023 power unit installed as a fully stressed member.
- Suspensions
  Carbon fibre top and bottom wishbones. Aluminium uprights are complimented by BBS standard machined magnesium wheel rims and FiA standard wheel covers.
- Transmission and Hydraulics
  Eight-speed, semi-automatic gearbox with reverse gear. Hydraulically operated “Quickshift” system maximising speed and consistency of gearshifts with a hydraulically controlled differential. Hydraulic supply for power unit actuation, power steering, DRS and clutch
- Braking system
  Carbon discs and pads. Brembo S.p.A callipers and master cylinders with fully integrated brake by wire system.
- Cockpit
  Removable driver’s seat made of anatomically formed carbon composite, with six-point harness seat belt and entire assembly ballasted up to 80 kg. Steering wheel integrates gear change paddles, clutch paddles, DRS and driver display unit.

TECHNICAL SPECIFICATIONS

Power

More than 950 hp

Maximum speed

355 km/h

Rev limit

15,000 rpm

Weight

796 kg

With driver, cameras and ballast

Overall length

5,620 mm

Fuel flow limit

100 kg/h

DISPLACEMENT	1.6 l V6
NUMBER OF CYLINDERS	6
REV LIMIT	15,000 rpm
PRESSURE CHARGING	Single turbocharger, unlimited boost pressure (typical 5 bar abs)
FUEL FLOW LIMIT	100 kg/h
PERMITTED FUEL QUANTITY PER RACE	Max 110 kg
CONFIGURATION	90° V6
BORE	80 mm
STROKE	53 mm
CRANK HEIGHT	90 mm
NUMBER OF VALVES	24 (4 per cylinder)
FUEL	Direct fuel injection

MGU-K rpm	50,000 rpm max
MGU-K power	120 kW max
ENERGY RECOVERED BY MGU-K	Max 2 MJ/lap
ENERGY RELEASED BY MGU-K	Max 4 MJ/lap
MGU-H rpm	>100,000 rpm
ENERGY RECOVERED BY MGU-H	Unlimited

WEIGHT	Min 150 kg
NUMBER OF POWER UNITS PERMITTED PER DRIVER IN 2023	3 ICE/Turbo/MGUH/MGU-K and 2 ES/CU 8 sets of engine exhausts
TOTAL HORSEPOWER	More than 950 hp