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ALFA or later Alfa Romeo has made three cars named as 20/30 HP, first one 1910 4-cylinder 4-6-seater tourer, improved version 20/30 HP E in 1914 and 1921 the 20/30 HP ES Sport, a 4-seater sportscar.[1]

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Alfa Romeo 20/30 HP
Alfa Romeo 20/30 HP ES
Overview
Manufacturer	Alfa Romeo
Production	1914 - 1922
Assembly	Portello, Milan, Italy
Designer	Giuseppe Merosi
Body and chassis
Body style	Berlina Torpedo
Layout	FR layout
Powertrain
Engine	4.1 L I4 sidevalve 4084 cc 4.2 L I4 sidevalve 4250 cc

The Alfa 20/30 HP

The Alfa Romeo "Torpedo" 20/30HP was the first car under the ALFA brand to formally carry the Alfa Romeo name. It was equipped with a 4250 cc sidevalve inline-four engine producing 67bhp. The car was intended for a launch amongst the upper classes of Italy, so the price was notably high- around three times that of the Ford Model T, a large sum of money when one considers the post-World War I economy.

The ALFA 20/30 HP was almost identical to the 24 HP of 1910 and was often simply called the HP 24 Serie E. The 24 HP's engine was reused completely, save for a sidechain on the camshaft to reduce noise. The maximum power was increased to 49bhp at 2400rpm, and the top speed increased to 115 km/h (71 mph). The vehicle was available in two body variants: A Berlina chassis and a torpedo variant.

At the outbreak of World War I on August 3, 1914, Italy declared itself neutral. ALFA plants, as such, had not been directly affected by war, or by manufacturing related to the war effort. Production numbers between 1914 and 1915 totaled 285 finished 20/30 HP models. In 1915, the production totals decreased to 95 frames for the 20/30 HP, which were only completed in 1920.

Alfa Romeo 20/30 ES Sport

The ES Sport was based on the 1914 20/30 E model, the "S" being added to emphasize the sportiness of the car. Notably, the ES had electric lights and an electric starter. The chassis was shortened from previous models as well.

Price was a major negative factor, and only 124 were ever produced. Notably, it is with the ES that Enzo Ferrari began his racing career with teammates Antonio Ascari and Ugo Sivocci.

• Engine: 4 cylinders inline
• Displacement: 4250 cc
• Power: 67 bhp at 2600 rpm
• Top speed: 130 km/h (81 mph)

Notes

References

Borgeson, Griffith (1990). The Alfa Romeo Tradition. City: Haynes (Foulis) Publishing Group Ltd. Somerset, UK. ISBN 0-85429-875-4.

На других языках

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[de] Alfa Romeo 20-30 HP

Der Alfa Romeo 20-30 HP, zuvor A.L.F.A. 20-30 PS, war ein Pkw von Alfa Romeo, zuvor von der Società Anonima Lombarda Fabbrica Automobili.[1]

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- [en] ALFA 20/30 HP

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[fr] Alfa Romeo 20-30 HP

La 20-30 HP était une voiture fabriquée par le jeune constructeur italien Alfa Romeo. Ce sera la première voiture carrossée de la marque, une Torpedo, c'est-à-dire ce que nous appelons cabriolet ou spider de nos jours.

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[it] Alfa Romeo 20-30 HP

La 20-30 HP è un'autovettura prodotta dall'ALFA dal 1914 al 1915 e poi dall'Alfa Romeo dal 1920 al 1921. È stato il primo modello a portare il nome "Alfa Romeo". Nel 1921 venne sostituito da una sua versione più sportiva, la 20-30 HP ES, dove la S sta per Sport.[1]

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[ru] Alfa Romeo 20/30 HP

A.L.F.A 20/30 HP — автомобиль производства компании A.L.F.A (Anomma Lombardo Fabrica Avtomobile, в настоящее время Alfa Romeo). Было сделано три машины 20/30 HP: 4-цилиндровый 4-6-местный турер 1910 года, улучшенная версия 20/30 HP E 1914 года и 4-местный спорткар 20/30 HP ES Sport 1921 года[1].

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