1925 Alfa Romeo RM torpedo
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The Alfa Romeo RM torpedo 1925 was a remarkable vehicle that boasted advanced technical features for its time. The car was powered by an impressive 2,308 cc inline-six engine that was capable of delivering a maximum power output of 56 hp at 4,000 rpm. The engine's layout was in line with Alfa Romeo's racing heritage and featured a double overhead camshaft and hemispherical combustion chambers, significantly improving the car's performance.
The engine was paired with a four-speed manual transmission that successfully transmitted the engine's power to the rear wheels. The suspension system, on the other hand, was made up of a solid front axle and a live rear axle, but it was advanced for its era as it employed semi-elliptic leaf springs, hydraulic dampers, and a unique stabilizing rod.
One of the most exceptional engineering feats of the Alfa Romeo RM torpedo 1925 was its innovative braking system. The car featured large-diameter fourteen-inch drums mounted on all four wheels for better stopping power, and the drum brakes had a novel design, utilizing two separate shoes either side of the drum's center section. This resulted in a more even and effective braking force, improving the car's overall safety.
The chassis was one of the most robust components of this remarkable vehicle. It was constructed of steel and had a live rear axle with conventional semi-elliptical leaf springs, aside from the advanced suspension system. The car featured a long 3,100 mm wheelbase, which allowed for a smooth and comfortable ride for passengers.
The RM torpedo body style was designed by Ugo Zagato, who gave it a sleek and elegant appearance. The car's exterior was made up of a steel body and a wooden frame, which helped decrease the car's weight and improve its overall performance.
Overall, the Alfa Romeo RM torpedo 1925 was a remarkable vehicle with advanced technical features for its time. Its powerful engine, advanced braking system, innovative suspension, and sturdy chassis made it one of the most exceptional automobiles of its era. Its sleek design and high performance cemented its place as an iconic classic car, ideal for any vintage car collector or enthusiast.
Milestones
- 1925: Alfa Romeo releases the RM model, a sports car designed specifically for racing. - The RM is powered by a 2-liter inline-four cylinder engine, producing 49 horsepower. - The RM features a lightweight chassis with a streamlined torpedo body, optimized for speed and aerodynamics. - The RM makes its debut at the 1925 Targa Florio race in Sicily, driven by Enzo Ferrari. - The RM proves to be highly successful in racing, winning the Coppa Principe di Piemonte and the Circuito del Garda in 1925. - Alfa Romeo produces a limited run of RM models for racing enthusiasts, with a total of 21 units built. - The success of the RM model helps establish Alfa Romeo as a premier racing brand and helps pave the way for future sports car designs.Technical
• Engine: 2.0-liter four-cylinder with overhead camshaft • Power: 46 horsepower at 4,400 rpm • Transmission: Four-speed manual with synchromesh • Suspension: Semi-elliptic leaf springs all around • Brakes: Four-wheel hydraulic drum brakes • Top Speed: 105 km/h (65 mph) • Wheelbase: 2,710 mm (106.7 in) • Weight: 1,100 kg (2,425 lbs) • Body style: Convertible Sedan, Torpedo • Production: 1925 to 1926 • Price: $3,500 USD (approximate) • Design: Streamline shape with a sloping back end • Interior: Leather seats and wooden dashboard • Fuel System: Two SU carburetors • Ignition System: Magneto • Fuel capacity: 50 liters (13.2 gallons) • Tires: 750-20.
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