Alfa_Romeo_P3

Alfa Romeo P3

Alfa Romeo P3

1932 Grand Prix car

The Alfa Romeo P3, P3 monoposto or Tipo B was a classic Grand Prix car designed by Vittorio Jano, one of the Alfa Romeo 8C models. The P3 is considered to be the world's first genuine single-seat Grand Prix racing car[1] and was Alfa Romeo's second monoposto after the Tipo A monoposto (1931).[2] It was based on the earlier successful Alfa Romeo P2. Taking lessons learned from that car, Jano went back to the drawing board to design a car that could last longer race distances.

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Description

The P3 was the first genuine single seater racing car, and was powered by a supercharged eight-cylinder engine. The car was very light for the period, weighing just over 1,500 lb (680 kg) despite using a cast iron engine block.

Introduced halfway through the European 1932 Grand Prix season in June, the P3 won its first race at the hands of Tazio Nuvolari and went on to win 6 races in total in that year, driven by both Nuvolari and Rudolf Caracciola. These victories included all three major Grands Prix in Italy, France and Germany.

The 1933 Grand Prix season brought financial difficulties to Alfa Corse, so the cars were simply locked away and Alfa intended to rest on their laurels. Enzo Ferrari had to run his breakaway 'works' Alfa team as Scuderia Ferrari, using the older, less effective Alfa Monzas. Alfa procrastinated until August and missed the first 25 events, and only after much wrangling was the P3 finally handed over to Scuderia Ferrari. P3s then won six of the final 11 events of the season including the final 2 major Grands Prix in Italy and Spain.

The regulations for the 1934 Grand Prix season brought larger bodywork requirements, so to counteract this, the engine was bored out to 2.9 litres. Louis Chiron won the French Grand Prix at Montlhery, whilst the German Silver Arrows dominated the other four rounds of the European Championship. However, the P3s won 18 of all the 35 Grands Prix held throughout Europe.

By the 1935 Grand Prix season the P3 was hopelessly uncompetitive against the superior German cars in 6 rounds of the European Championship, but that didn't stop one final, legendary works victory. The P3 was bored out to 3.2 litres for Nuvolari for the 1935 German Grand Prix at the Nürburgring, in the heartland of the Mercedes and Auto-Union empire. In the race, Nuvolari punctured a tyre early on while leading, but after his next pitstop he carved back through the field until the last lap when Manfred von Brauchitsch, driving the more powerful Mercedes Benz W25, suffered a puncture, leaving Nuvolari to win the race in front of 300,000 stunned Germans.

The P3's agility and versatility enabled it to win 16 of the 39 Grands Prix in 1935, cementing its status as a truly great racing car.


Technical data

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Drivers

  • Alain de Cadenet with Alfa Romeo P3.
  • Engine of the Alfa P3 Tipo B - Note the twin gear driven superchargers.
  • The Tipo B Aerodinamica variant with Guy Moll won the Avus GP in 1934.
  • The Tipo B Aerodinamica in Enzo Ferrari Museum in Modena.
  • 1932 Tipo B Don Lee Special in Goodwood FoS 2011
  • Tazio Nuvolari passing at the 1935 Grand Prix de Pau.

Notes

  1. [1]
    "Alfa Romeo P3". ddavid.com. Archived from the original on 13 September 2007. Retrieved 2007-09-04.
  2. [2]
    "Alfa Romeo Tipo A Monoposto". ultimatecarpage.com. Archived from the original on 29 September 2007. Retrieved 2007-09-04.

References
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