The Shadow DN1 was a

Formula One Formula One (also known as Formula 1 or F1) is the highest class of international racing for open-wheel single-seater formula racing cars sanctioned by the Fédération Internationale de l'Automobile (FIA). The World Drivers' Championship, ...

car used by the

Shadow A shadow is a dark area where light from a light source is blocked by an opaque object. It occupies all of the three-dimensional volume behind an object with light in front of it. The cross section of a shadow is a two-dimensional silhouette, ...

team during the

1973 Formula One season The 1973 Formula One season was the 27th season of FIA Formula One motor racing. It featured the 1973 World Championship of Drivers and the 1973 International Cup for F1 Manufacturers, which were contested concurrently over a fifteen-race seriesRe ...

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 a British 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 res ...

. The DN1 was also driven by Graham Hill for his privateer team,

Embassy Hill Embassy Racing With Graham Hill, commonly abbreviated to Embassy Hill, was a short-lived Formula One team started by two-time Formula One World Champion Graham Hill. The team debuted in with a customer Shadow DN1 car, and began racing as a cons ...

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 fo ...

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, Cape Province. It drew top drivers from Europe including Bernd Rosemeyer, Richard "Dick" Seaman, R ...

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, IndyCar, and sports car racing. Mor ...

driver

Jackie Oliver Keith Jack "Jackie" Oliver (born 14 August 1942 in Chadwell Heath, Essex) is a British former Formula One driver and team-owner from England. He became known as the founder of the Arrows team as well as a racing driver, although during his d ...

while driving the other car was

George Follmer George Follmer (born January 27, 1934) is an American former auto racing driver, and one of the most successful road racers of the 1970s. He was born in Phoenix, Arizona. His family moved to California when he was just an infant. Career Follme ...

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 in Burnley, Lancashire and educated at Rossall School, Fleetwood, Lancashire), is a retired British racing driver. Racing for Carl Haas and Jim Hall's Chaparral Cars, Brian Redman won the 1974, '75 ...

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, the DN1 was superseded by the

Shadow DN3 The Shadow DN3 was a Formula One car used by the Shadow team during the 1974 Formula One season. It also appeared twice during the early stages of the 1975 Formula One season in an updated DN3B form. Designed by former BRM engineer Tony Southga ...

although new Shadow driver

Jean-Pierre Jarier Jean-Pierre Jacques Jarier (born 10 July 1946) is a French former Grand Prix racing driver. He drove for Formula One teams including Shadow, Team Lotus, Ligier, Osella and Tyrrell Racing. His best finish was third (three times) and he also to ...

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

Embassy Hill

Graham Hill also purchased a Shadow DN1 during the 1973 season for his newly established team,

Embassy Racing Embassy Racing was a British auto racing team founded by Jonathan France in 2003. Initially created as a conjunction with Xero Competition in the British GT Championship, the team expanded to become an independent team and began to win races ...

. 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

cars

References

;Citations ;Bibliography * * *

External links

{{F1 cars 1973 Shadow Formula One cars