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Renault

Renault F1 R25 Technical Specifications

Chassis: Moulded carbon fibre and aluminium honeycomb composite monocoque, manufactured by the Renault F1 Team and designed for maximum strength and stiffness with minimum weight. Engine installed as a fully-stressed member.
Front suspension: Carbon fibre top and bottom wishbones operate an inboard titanium rocker via a pushrod system. This is connected to a torsion bar and damper units which are mounted at the front of the monocoque.
Rear suspension: Carbon fibre top and bottom wishbones operating vertically-mounted torsion bars and horizontally-mounted damper units mounted on the top of the gearbox casing. Bottom wishbone attached by 'v' keel mounting.
Transmission: Six-speed semi-automatic gearbox with one reverse gear.
Fuel system: Kevlar-reinforced rubber fuel cell provides reduced risk of fire and is mounted behind cockpit in chassis monocoque.
Cooling system: Separate oil and water radiators located in the car's sidepods and cooled using airflow from the car's forward motion.
Electrical: Integrated chassis/engine electronics and software co-developed by Renault F1 Team and Magneti Marelli.
Braking system: Carbon discs and pads (Hitco); calipers by AP Racing.
Cockpit: Removable driver's seat made of anatomically formed carbon composite, with six-point harness seat belt. Steering wheel integrates gear change and clutch paddles.

Car dimensions and weight
Front track: 1,450mm
Rear track: 1,400mm
Wheel base: 3,100mm
Overall length: 4,800mm
Overall height: 950mm
Overall width: 1,800mm
Overall weight: 605kg including driver, camera and ballast

Engine: Renault F1 RS25
1. 72º 'V' angle with optimum integration in the new R25 chassis.
2. Atmospheric 3-litre V10 engine.
3. Mass optimised for the required reliability, with a gain relative to the RS24.
4. Reliability of more than 1400km with a performance gain relative to the RS24.
5. 98 % of parts are new.

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