Shadow DN7

The Shadow DN7 was a Formula One car used by the Shadow team in two races late in the 1975 Formula One season. Driven by Jean-Pierre Jarier, it never finished a race.

Shadow DN7
CategoryFormula One
ConstructorShadow Racing Cars
Designer(s)Tony Southgate
PredecessorDN5
SuccessorDN8
Technical specifications[1]
ChassisAluminium monocoque
Axle trackFront: 1,473 mm (58.0 in)
Rear: 1,549 mm (61.0 in)
Wheelbase2,667 mm (105.0 in)
EngineMatra MS71 V12 NA
TransmissionHewland TL 200 5-speed manual
Weight612 kg (1,349 lb)
FuelUOP
TyresGoodyear
Competition history
Notable entrantsShadow Racing Cars
Notable drivers Jean-Pierre Jarier
Debut1975 Austrian Grand Prix
RacesWinsPolesF.Laps
2000
Constructors' Championships0
Drivers' Championships0

Development

The Shadow DN7 was designed by Tony Southgate and, in contrast to previous Shadow cars, the powerplant around which the car was designed was a V12. This was the Matra MS71 V12, selected with an eye towards the high speed circuits on the Formula One calendar. The chassis was similar to the DN5, and to allow for the increased consumption of the V12, the fuel tank capacity was increased.[2]

Racing history

The DN7 only participated in two races, in Austria and Italy, driven by Jean-Pierre Jarier who qualified it 14th and 13th on the grid respectively. Mechanical failures meant that it was never classified as a finisher. As Matra decided to supply Ligier with its engines for 1976, Shadow did not continue with the car and Jarier reverted to the DN5 for the final race of the season in the United States.[3]

Complete Formula One World Championship results

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

Year Entrants Engines Tyres Drivers 1 2 3 4 5 6 7 8 9 10 11 12 13 14 Points WCC
1975 UOP Shadow Racing Cars Matra V12 G ARG BRA RSA ESP MON BEL SWE NED FRA GBR GER AUT ITA USA 9.5* 6th
Jean-Pierre Jarier Ret Ret

* all points scored in 1975 were with the DN5

Notes
  1. Stats F1. "Shadow DN7". Retrieved 10 November 2012.
  2. Hodges, 2001, pp. 208–209
  3. Nye, 1986, p. 234
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References
  • Nye, Doug (1985). Autocourse History of the Grand Prix Car 1966 – 1985. Richmond, Surrey, United Kingdom: Hazelton Publishing. ISBN 0905138376.
  • Hodges, David (2001). A – Z of Grand Prix Cars. Ramsbury, Marlborough, Wiltshire: Crowood Press. ISBN 1861263392.
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