O.S.C.A.
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O.S.C.A.
O.S.C.A.
IndustryAutomotive
Founded1947
Defunct1967
FateCeased production
HeadquartersSan Lazzaro di Savena, Bologna, Italy
Key people
Ettore, Ernesto and Bindo Maserati
ProductsAutomobiles

O.S.C.A. (Officine Specializzate Costruzione Automobili--Fratelli Maserati S.p.A.) was an Italian manufacturer of racing and sports cars established 1947 in San Lazzaro di Savena, Bologna, by the Maserati brothers, and closed down in 1967. The company name is usually written OSCA or Osca.

History

OSCA was founded in 1947 by Ernesto Maserati (engineering manager) and his two brothers Ettore, and Bindo (operations managers) who had all left Maserati after their ten-year contract with Adolfo Orsi terminated. Ten years earlier, in 1937, the remaining Maserati brothers had sold their shares in the Bologna-based company to the Orsi family, who relocated the company headquarters to their hometown of Modena in 1940. The Maserati company remains there to this day, but the Maserati brothers once again chose Bologna to be the home for their new company.[1]

The OSCA factory was located in San Lazzaro di Savena outside Bologna,[2] where Maserati were originally made from 1926 to 1940. Their basic business goal was to develop an automobile to compete in the popular Italian 1,100 cc racing class.

OSCA's first automobile was the MT4, for Maserati Tipo 4 cilindri. The 1,092 cc engine, which produced 55 PS (40 kW; 54 hp) at 6,000 rpm originally, had a in-house designed block, alloy head, and the bodywork was built as a two-seater, cycle-fendered roadster. The MT4 first raced in 1948 at the Pescara Circuit and the Grand Prix of Naples, where it was driven to a win by Luigi Villoresi. The engine was modified to 1,342 cc capacity in 1949.[3], and then enlarged to 1,453 cc in 1953. A further enlargement, this time to 1,491 cc, followed in 1954 and was given twin spark ignition in 1955 for the OSCA MT4 TN (for Tipo Nuovo, "new model"). This version is often referred to as the 1500 TN.

The all new tipo 372 DS engine has desmodromic valves and was developed from the final MT4 engine in 1957 and built exclusively for F2 or sports car racing. This car received the new name F2/S or FS 372 (depending on its intended field of competition), and five were built until 1959.[4] One of these belonged to Sir Stirling Moss, who raced it in historic races across the globe until his retirement in 2011. Versions of this engine went on to be used in coupé and convertible models of regular Fiats from 1959 to 1966.

The 1954 12 Hours of Sebring was won by drivers Stirling Moss and Bill Lloyd in an OSCA MT4[5] as part of the Briggs Cunningham Team. In 1955, a 1500 TN engined MT4 chassis with a streamliner body called the "Simpson Special" beat a number of records at the Bonneville Salt Flats. Afterwards, the car was sold to Harry Allen Chapman, heir to the Mobil fortune, who went on to take a minor share of OSCA and also replaced Edgar Fronteras as the company's US distributor.[6]

From 1951 to 1962, automobiles or engines made by OSCA also were entered in some Formula One and Formula Two events although they mainly built small sports cars of which some were designed by Pietro Frua. In the World Sportscar Championship OSCA ranked 10th (1953), 4th (1954), 6th (1957), 5th (1958) and 4th (1961).

The 750 cc 70 hp (51 kW) type S 187 was introduced in 1956. Weighing 430 kg (948 lb), this car had a top speed of 110 mph (180 km/h). The name "187" refers to the displacement in cubic centimetres of each cylinder of the engine. In 1959 Jim Eichenlaub won the American H-Mod Title with his OSCA S 187. Operating on a shoestring budget, Eichenlaub often slept in his tow car because there was no money for a motel. However he won his first race at Pensacola in April 1959.[7]

The Formula Junior (FJ) used a Fiat engine of 1089 cc, and saw wins by Colin Davis and Berardo Taraschi in 1959.

In 1963 the brothers sold the company to Count Domenico Agusta, owner of MV Agusta,[2] They did design work for Agusta until 1966. One of their final designs was a desmodromic four-cylinder engine. OSCA ended operations in 1967.

OSCA Fiats

The 1500S Coupé and Convertible were available with OSCA's twin cam 1491 cc engine as the 1200 were produced with a Fiat engine. These 90 PS (66 kW) SAE 1500S models, 80 PS (59 kW) DIN went on sale in November 1959, with Pininfarina bodywork. The engine was uprated to 1568 cc and 100 PS (74 kW) SAE, 90 PS (66 kW) DIN in the summer of 1962 (1600 S, tipo 118SB) thanks to a 2 mm bore increase, and the shell underwent a facelift as the Fiat 1300/1500 replaced the original 1200 in 1963. The 1600 S continued in production until replaced by the Fiat 124 coupé/spider, which used Fiat's own twin cam engine, in late 1966. In total, 3,089 OSCA-engined Fiat Coupés and Convertibles were built.[8]

OSCA 1600 GT

OSCA also offered their own cars powered by the 1.6-liter derivative of this engine. It featured a tubular chassis with independent front and rear suspension and was powered by Aurelio Lampredi's four-cylinder twin-cam engine. Of the 128 cars built between 1960 and 1963, 98 were bodied by Zagato and featured lightweight alloy coachwork with the 's signature "double-bubble" roof. The remaining cars were bodied by coach builders such as the Fissore-bodied 1600 GT2 and a Touring-bodied 1600 GT. [9]

Vehicles

Name and year of introduction:

Complete Formula One World Championship results

OSCA as a Formula One chassis constructor
Formula One World Championship career
EnginesOSCA
EntrantsOSCA, Élie Bayol, Louis Chiron
First entry1951 Italian Grand Prix
Last entry1958 Monaco Grand Prix
Races entered7 (4 starts)
Race victories0
Constructors' Championships0
Drivers'
Championships
0
Points0
Pole positions0
Fastest laps0
OSCA as a Formula One engine manufacturer
Formula One World Championship career
First entry1951 Italian Grand Prix
Last entry1962 Italian Grand Prix
Races entered12 (8 starts)
ChassisOSCA, Maserati, Cooper, De Tomaso
Constructors' Championships0
Drivers'
Championships
0
Race victories0
Podiums0
Points0
Pole positions0
Fastest laps0

As a constructor

(key) (results in bold indicate pole position; results in italics indicate fastest lap)

Year Entrant Chassis Engine Tyres Driver 1 2 3 4 5 6 7 8 9 10 11 WCC Points
1951 OSCA Automobili 4500G 4500 4.5 V12 P SUI 500 BEL FRA GBR GER ITA ESP --1
Italy Franco Rol 9
1952 Élie Bayol 20 2000 2.0 L6 P SUI 500 BEL FRA GBR GER NED ITA --1
France Élie Bayol Ret
1953 Louis Chiron 20 2000 2.0 L6 P ARG 500 NED BEL FRA GBR GER SUI ITA --1
Monaco Louis Chiron 15 DNS DNS 10
Élie Bayol 20 2000 2.0 L6 P France Élie Bayol Ret DNS Ret
1958 OSCA Automobili F2/S 372 1.5 L4 P ARG MON NED 500 BEL FRA GBR GER POR ITA MOR NC 0
Italy Giulio Cabianca DNQ
Italy Luigi Piotti DNQ
Source:[10]

As an engine supplier

(key) (Races in bold indicate pole position; races in italics indicate fastest lap)

Year Entrant Chassis Engine Tyres Drivers 1 2 3 4 5 6 7 8 9 WCC Points
1951 Prince Bira Maserati 4CLT/48 4500 4.5 V12 P SUI 500 BEL FRA GBR GER ITA ESP --1
Thailand B. Bira Ret
1959 OSCA Automobili Cooper T43 2.0 L4 D MON 500 NED FRA GBR GER POR ITA USA NC 0
Argentina Alejandro de Tomaso Ret
1961 Scuderia Serenissima De Tomaso F1 372 1.5 L4 D MON NED BEL FRA GBR GER ITA USA NC 0
Italy Giorgio Scarlatti Ret
Scuderia Settecolli De Tomaso F1 372 1.5 L4 D Italy Roberto Lippi Ret
1962 Scuderia Settecolli De Tomaso F1 372 1.5 L4 D NED MON BEL FRA GBR GER ITA USA RSA NC 0
Italy Roberto Lippi DNQ
Source:[11]
Notes
  • ^1 - The Constructors World Championship did not exist before 1958.

References

  1. ^ Vassal, Jacques (October 2008). "Soeurs Ennemies" [Sister enemies]. Rétroviseur (in French). No. 238. Fontainebleau, France: Éditions LVA. p. 40. ISSN 0992-5007.
  2. ^ a b Celebrating the 60th anniversary of the founding of O.S.C.A. from maserati-alfieri.co.uk
  3. ^ story from maserati-alfieri.co.uk
  4. ^ Melissen, Wouter (2009-11-09). "OSCA FS 372 Morelli Spider". Ultimatecarpage.com. Retrieved .
  5. ^ Dierkes, Stefan. "Pietro Frua (1913-1983) - OSCA MT4-2AD 1953". Pietro-frua.de. Archived from the original on 2017-12-14.
  6. ^ "L'anno dei record" [Year of records]. Greta Emme (in Italian). Archived from the original on 2023-01-10.
  7. ^ "OSCA S187 1959". La Galerie Des Damiers. 1959-05-17. Archived from the original on 2013-11-04. Retrieved .
  8. ^ "Lot 72: 1961 Fiat OSCA 1500S Spider by Pininfarina" (Auction listing). RM Sothebys. 2014-01-16.
  9. ^ "1963 OSCA 1600 GT By Zagato | Paris 2023". RM Sotheby's. Retrieved .
  10. ^ "Constructors - OSCA". statsf1. Retrieved 2018.
  11. ^ "Engines - OSCA". statsf1. Retrieved 2018.

External links


  This article uses material from the Wikipedia page available here. It is released under the Creative Commons Attribution-Share-Alike License 3.0.

O.S.C.A.
 



 



 
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