The Shadow DN1 was a

Formula One Formula One (F1) is the highest class of worldwide racing for open-wheel single-seater formula Auto racing, racing cars sanctioned by the Fédération Internationale de l'Automobile (FIA). The FIA Formula One World Championship has been one ...

car used by the

Shadow A shadow is a dark area on a surface where light from a light source is blocked by an object. In contrast, shade occupies the three-dimensional volume behind an object with light in front of it. The cross-section of a shadow is a two-dimensio ...

team during the

1973 Formula One season Events January * January 1 – The United Kingdom, the Republic of Ireland and Denmark enter the European Economic Community, which later becomes the European Union. * January 14 - The 16-0 Miami Dolphins defeated the Washington Redsk ...

and the early stages of the following season. The car was the first Formula One car for Shadow, which had previously participated in the CanAm Sportscar Series. It was designed by former BRM engineer

Tony Southgate Tony Southgate (born 25 May 1940, Coventry, England) is an English engineer and former racing car designer. He designed many successful cars, including Jaguar's Le Mans-winning XJR-9, and cars for almost every type of circuit racing. He was re ...

. The DN1 was also driven by

Graham Hill Norman Graham Hill (15 February 1929 – 29 November 1975) was a British racing driver, rower and motorsport executive, who competed in Formula One from to . Nicknamed "Mr. Monaco", Hill won two Formula One World Drivers' Championship titles ...

for his privateer team, Embassy Hill.

Development

The Shadow DN1 was to be the first car for Don Nichols' Formula One team, newly established to participate in the

. The team did have some racing expertise, having participated in the CanAm Sportscar Series and also bringing in experienced British racing personnel including engineer

and manager Alan Rees.Nye, 1986, p. 233 Designed by Southgate, the DN1 used an aluminum monocoque and double wishbone suspension, and was powered by a Ford

Cosworth DFV The DFV is an internal combustion engine that was originally produced by Cosworth for Formula One motor racing. The name is an abbreviation of ''Double Four Valve'', the engine being a V8 development of the earlier four-cylinder FVA, which had f ...

engine. Having recently only worked with the smooth-revving BRM V12 engines, Southgate did not allow sufficient damping and reinforcement to compensate for the vibration of the flat-plane V8 DFV. This caused some severe reliability issues for the cars, particularly at the start of the season.Southgate, 2010, p. 57–60 The Shadow works team cars were finished in an all black scheme, with sponsorship from UOP.Hodges, 2001, p. 208

Racing history

Shadow missed the first two races of the 1973 season, but the team arrived in South Africa for the

South African Grand Prix The South African Grand Prix was first run as a Grand Prix motor racing handicap race in 1934 at the Prince George Circuit at East London, South Africa, East London, Cape Province. It drew top drivers from Europe including Bernd Rosemeyer, Ri ...

with two entries for its drivers. The lead driver for Shadow was the experienced former BRM and

Team Lotus Team Lotus was the motorsport sister company of English sports car manufacturer Lotus Cars. The team ran cars in many motorsport categories including Formula One, Formula Two, Formula Ford, Formula Junior, American Championship Car Racing, Ind ...

driver Jackie Oliver while driving the other car was George Follmer who, although a novice in Formula One, had extensive experience in sportscar racing. Follmer finished sixth in South Africa, and followed this performance up with third in the following race. Oliver took another third place for the team in the penultimate race of the year in Canada. Shadow entered a third car for

Brian Redman Brian Herman Thomas Redman (born 9 March 1937) is a British retired racing driver. Racing for Carl Haas and Jim Hall's Chaparral Cars, Brian Redman won the 1974, '75 and '76 SCCA Formula 5000 series and has raced in nearly every category of ...

for the final race of the year but he failed to add to the team's points tally for the year. Shadow finished the year with nine points and eighth place in the constructor's championship. In

1974 Major events in 1974 include the aftermath of the 1973 oil crisis and the resignation of United States President Richard Nixon following the Watergate scandal. In the Middle East, the aftermath of the 1973 Yom Kippur War determined politics; ...

, the DN1 was superseded by the Shadow DN3 although new Shadow driver

Jean-Pierre Jarier Jean-Pierre Jacques Jarier (; born 10 July 1946) is a French former racing driver, who competed in Formula One from to . Jarier contested 143 Formula One Grands Prix for March, Shadow, ATS, Ligier, Lotus, Tyrrell, and Osella. He achieve ...

had to drive the DN1 for his first two races of the year, retiring from both.

Embassy Hill

also purchased a Shadow DN1 during the 1973 season for his newly established team, Embassy Racing. Driving the team's only entry, which ran in a largely white scheme with a red cordon imitating the sponsor's cigarette packets, Hill failed to score any points with the DN1. His best finish was ninth at the 1973 Belgian Grand Prix. Embassy Hill switched to Lolas for the following season.

Complete Formula One World Championship results

( key) (Results in bold indicate pole position; results in ''italics'' indicate fastest lap.) * All points scored in 1974 were with Shadow DN3 cars

References

;Citations ;Bibliography * * *

External links

{{F1 cars 1973 Shadow Formula One cars