Prototype race cars




Prototype race cars

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  • A Le Mans Prototype (LMP) is the type of sports prototype race car used in the 24 Hours of Le Mans, FIA World Endurance Championship, WeatherTech.

    Group C was a category of motorsport, introduced by the FIA in for sports car racing, along with Group A for touring cars and Group B for GTs. It was designed to replace both Group 5 Special Production Cars (closed top touring prototypes.

    These two styles of cars make up the series' three classes – Prototype, GT Le Mans They are specifically designed and engineered for the race track and look.

    Prototype race cars

    Prototype race cars

    Having sufficient space for the chassis and bodywork construction is important, as a cramped workshop can be difficult to work in. There are several Gibson engines running in the Rolex 24, with three expected to race all season: Under the new Supercup series, only Group C cars would be allowed to compete. Although it was originally expected that C Junior cars would use two-litre normally aspirated engines, in practice most cars used either the 3. You can help Wikipedia by expanding it.

    Prototype race cars

    Prototype race cars

    Prototype race cars

    Prototype race cars

    Prototype race cars

    Sports prototype - Wikipedia

    The designs began to change from that of road-going sports cars to the purpose-built racing machines we see today in endurance racing and the 24 hours of Le Mans. Modern amateur sport racer cars are characterized by their scratch-built single or double seat chassis , mid-engine rear-drive layout and full-covering aerodynamic bodywork.

    Many sport racers use wings and underbody venturi tunnels to provide downforce that enables much higher cornering speeds. Amateur racing classes for sport racers generally focus on designs which use a spaceframe chassis , 4 to 6 cylinder car or motorcycle engine, and fiberglass bodywork.

    Prototype race cars

    The chassis is relatively easy to construct and repair and the engine is reasonably low cost to maintain. Racing is generally on road course circuits and is therefore most popular in parts of Europe and the Americas where road course circuits are found. Due to the scratch-built nature of sport racers, the designer must be knowledgeable in handling, chassis , suspension, powertrain, aerodynamic and safety design.

    These six major areas of the car design work as an integrated unit and the designer must have an understanding of how changes to one area affect the others.

    Prototype race cars

    Much of the design work is iterative, meaning re-designing areas based on new changes to another area. After the iterations are completed, the design will be complete and optimized. Having a good static weight distribution is important. Maximizing the contact patch of the tires with good suspension geometry is of key importance. Suspension, wheel and tire weights Unsprung weight affect the compliance of the suspension, which in turn affects handling, so keeping all these components as light as possible is an advantage.

    The suspension pickup point locations impact the chassis design. Maximizing torsional rigidity is important to keep the handling responses consistent. Providing openings to make internal components accessible for maintenance is also important, and quite often at odds with the needs to maximize torsional rigidity.

    The cockpit opening in a spaceframe often presents the greatest challenge to achieving a high torsional rigidity. Weight distribution is heavily impacted by engine position.

    Prototype race cars

    Intake, Cooling and exhaust need to be considered in relation to chassis design, bodywork and aerodynamics. Aerodynamics on sport racers is very important. Where engine power is very similar, the slipperier the bodywork and the more efficient the downforce , the better a car will perform.

    Front downforce is generated through shaping of the nose section to create a high pressure flow above the nose, and a corresponding low pressure flow under the nose section. This can take the form of an integrated wing type structure or an airdam. Central downforce is usually generated via venturi tunnels where allowed.

    IMSA Prototype Challenge - Barber Motorsports Park



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