1952 C-4R Roadster

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The Cunningham C-4R Roadster was a stunning achievement of automotive engineering in the early 1950s. Featuring a powerful V8 engine, a lightweight body, and advanced suspension and braking systems, it was designed to deliver unparalleled performance both on and off the track.

At the heart of the C-4R Roadster was a 331-cubic inch OHV engine, capable of producing up to 225 horsepower at 4400 RPM. This power plant was mated to a four-speed manual transmission and a limited-slip differential, giving the vehicle incredible acceleration and top-speed capabilities.

The body of the C-4R Roadster was made from lightweight aluminum, with a sleek, aerodynamic design that was optimized for high-speed performance. The car's suspension featured independent front suspension with coil springs and wishbones, while the rear suspension featured a live axle with semi-elliptic leaf springs. This combination provided exceptional handling and stability, even under the most extreme driving conditions.

To further enhance the vehicle's performance, the C-4R Roadster was equipped with a sophisticated braking system, featuring four-wheel hydraulic drum brakes that could bring the car to a stop quickly and safely. The steering was also advanced for its time, with a worm and roller system that gave the driver excellent control and feedback.

Inside the car, the C-4R Roadster was a study in elegance and simplicity. The driver sat behind a gorgeous wood-rimmed steering wheel, facing a simple but functional dashboard with clear gauges and controls. The car featured a two-seat passenger compartment, with plenty of legroom and headroom for even the tallest occupants.

The Cunningham C-4R Roadster was a true masterpiece of automotive engineering, combining exceptional performance, advanced design, and unparalleled build quality. Today, it remains a highly coveted classic car, prized by enthusiasts and collectors alike for its unique blend of power, beauty, and technical sophistication.

Milestones

- Cunningham C-4R Roadster was first introduced in 1952 by Briggs Cunningham. - The car was designed to compete in Le Mans race and other endurance races. - The chassis of the car was hand-built by Italian coachbuilder Vignale, and the bodywork was done by Grumman Aircraft Engineering Corporation. - The car was powered by a 331 cubic inch Chrysler Hemi V8 engine that produced 300 horsepower. - In its first outing at Sebring 12 Hours race, the C-4R finished 2nd and 3rd in its class and 11th overall. - The car went on to score impressive victories at Watkins Glen, Elkhart Lake, and Road America. - The C-4R was known for its advanced features such as its disc brakes, independent front suspension, and lightweight construction. - The C-4R marked a significant step forward in American racing technology and set the stage for future American sports cars to compete on the world stage. - The C-4R was retired from racing after the 1955 season and is now considered a classic of American racing history. - In 2018, a 1953 Cunningham C-4R Roadster sold for $3.7 million at a Pebble Beach auction, marking its status as a highly sought after collector's item.

Technical

• The Cunningham C-4R Roadster was designed and manufactured by Briggs Cunningham in 1952.

• The car had a length of 152 inches, a height of 50 inches, and a width of 64 inches.

• It weighed approximately 1,900 pounds.

• The car was powered by a 5.4-liter V8 engine that produced 190 horsepower.

• The engine was coupled to a four-speed manual transmission.

• The C-4R had a top speed of 150 mph.

• The car had a unique aerodynamic design with a low-slung body, curved fenders, and a prominent grille.

• It had a tubular frame chassis made from chromoly steel.

• The suspension system of the car consisted of independent front suspension with coil springs and a live rear axle with parallel leaf springs.

• The brakes were hydraulic drum brakes on all four wheels.

• The car featured a simple and functional cockpit with a large steering wheel, analog gauges, and comfortable bucket seats.

• The C-4R participated in many famous races, including the 24 Hours of Le Mans, and won several times.

• The original price of the car was around $11,000.