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Arrows A1
Arrows A1B

The A1 of Riccardo Patrese at the 2009 Silverstone Classic
Category	Formula One
Constructor	Arrows Grand Prix International
Designer(s)	Tony Southgate (Technical Director) Dave Wass (Chief Designer)
Predecessor	FA1
Successor	A2
Technical specifications
Chassis	Aluminium monocoque
Suspension (front)	Wishbones with inboard springs / dampers
Suspension (rear)	Wishbones with inboard springs / dampers
Axle track	Front: 1,676 mm (66.0 in) Rear: 1,549 mm (61.0 in)
Wheelbase	2,690 mm (106 in)
Engine	Cosworth DFV, 2,993 cc (182.6 cu in), 90° V8, NA, mid-engine, longitudinally mounted
Transmission	Hewland FGA and later FGB/C 5-speed manual
Weight	593 kg (1,307 lb)
Fuel	FINA / Valvoline
Tyres	Goodyear
Competition history
Notable entrants	Arrows Racing Team
Notable drivers	Riccardo Patrese Rolf Stommelen Jochen Mass Rupert Keegan
Debut	1978 Austrian Grand Prix
Last event	1979 Canadian Grand Prix
Races Wins Poles F/Laps 25 entries and 19 starts 0 0 0
Constructors' Championships	0
Drivers' Championships	0

The Arrows A1 was the car with which Arrows Grand Prix International competed in the 1978 and 1979 Formula One seasons. It replaced the Arrows FA1, which was banned by the London High Court on 31 July 1978 after a legal protest from the Shadow team on the grounds that it was a carbon-copy of the Shadow DN9. Arrows anticipated that they would lose against Shadow and designed and built the A1 in under 60 days whilst the court case was being heard. Hence Arrows were able to present the Arrows A1 to the press just three days after the court case ended and did not miss any races.

Given that the FA1 was a carbon-copy of the Shadow DN9, the A1 is the essentially first true F1 car designed and built by Arrows Grand Prix International.

The Arrows A1 was one of the first "ground effects" Formula 1 cars and despite being rushed into service without any testing or development after the FA1 was banned, the Arrows A1 proved competitive. Riccardo Patrese finished 4th in the 1978 Canadian GP. A number of further 4th and 5th places followed in 1979 and that year's Monaco GP could have been the Arrows A1 crowning-glory, with Jochen Mass running as high as third in the race (after qualifying eighth) before brake issues dropped him down to sixth at the chequered flag.

In total six Arrows A1 were built, chassis numbers A1-01 to A1-06.

The first three cars (chassis A1-01, A1-02, and A1-03) were used in 1978 and were all built to the same "initial" 1978 specification. For the first race of 1979 (the Argentine GP) three cars (in effect two race-ready cars and a spare monocoque) had been prepared to an updated specification, known as A1-B specification. The two race cars were chassis A1-03 (which had been updated) and the new chassis A1-05, whilst the spare monocoque was new chassis A1-04. During the Argentine GP warm-up A1-05 was crashed and this chassis was subsequently rebuilt to a further improved A1-C specification alongside the final Arrows A1 chassis built, A1-06. Both A1-05 and A1-06 debuted at the 1979 South African GP and were used by Riccardo Patrese (A1-06) and Jochen Mass (A1-05) till the radical, but unsuccessful, Arrows A2 was introduced. In fact, even after the Arrows A2 had been introduced, Riccardo Patrese chose at times to practice in and race the older Arrows A1 believing it to be a superior car, with more predictable handling.

The A1-B update included stiffening the monocoque and revising the "ground-effects" side-pods. The A1-C update included a new rear wing with a single central support, improved rear-suspension geometry and totally re-designed "ground-effects" side-pods which were more swept-up towards the rear tyre.

As the updated A1-C specification cars (A1-05 and A1-06) were introduced, three older specification Arrows A1's (A1-02, A1-03 and A1-04) were sold to Charles Clowes Racing and A1-01 was put on display in a museum. Charles Clowes Racing competed in the 1979 and 1980 Aurora AFX British Formula One Championships with his three A1's. Rupert Keegan won the championship in 1979 in a Clowes-run Arrows A1 and Guy Edwards finished a very close 3rd in the 1980 season in one of Clowes' Arrows A1 behind two Williams FW07's.

Formula One entries

Complete Formula One World Championship results

(key)

* 8 points in 1978 scored using the FA1
* 2 points in 1979 scored using the A2

References

1. Arrows A1 @ StatsF1
2. Hodges, David (1990). A-Z of Formula Racing Cars. Bideford, UK: Bay View Books. p. 279. ISBN 1870979168.

v t e Arrows
Arrows Grand Prix International (1978–1990) Notable personnel Franco Ambrosio Alan Rees Jackie Oliver Tony Southgate David Wass Notable drivers  ITA Mauro Baldi  Austria Gerhard Berger  BEL Thierry Boutsen  ITA Alex Caffi  USA Eddie Cheever  FRG Christian Danner  GBR Martin Donnelly  GBR Brian Henton  Australia Alan Jones  FRG Jochen Mass  ITA Riccardo Patrese  FRG Bernd Schneider  BRA Chico Serra  ITA Siegfried Stohr   SWI Marc Surer  FRG Rolf Stommelen  New Zealand Mike Thackwell  CAN Jacques Villeneuve Sr.  GBR Derek Warwick  FRG Manfred Winkelhock Cars FA1 A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 A10B A11 A11B
Japan Footwork Arrows (1991–1996) Notable personnel Alan Jenkins Wataru Ohashi Jackie Oliver Mark Preston Notable drivers  ITA Michele Alboreto  ITA Alex Caffi  BRA Christian Fittipaldi  JPN Taki Inoue  ITA Gianni Morbidelli  ITA Max Papis  BRA Ricardo Rosset  JPN Aguri Suzuki  Netherlands Jos Verstappen  GBR Derek Warwick Cars A11C FA12 FA12C FA13 FA13B FA14 FA15 FA16 FA17
TWR Arrows (1997–2002) Notable personnel Nick Chester Mike Coughlan Chris Dyer Eghbal Hamidy Laurent Mekies Steve Nielsen Ossi Oikarinen Nicolò Petrucci Mark Preston Sergio Rinland Rob Taylor Tom Walkinshaw John Walton Notable drivers  BRA Enrique Bernoldi  SPA Pedro de la Rosa  BRA Pedro Diniz  GBR Damon Hill  GER Heinz-Harald Frentzen  FIN Mika Salo  Japan Toranosuke Takagi  Netherlands Jos Verstappen Cars A18 A19 A20 A21 A22 A23

• 1978 Formula One season cars
• 1979 Formula One season cars
• Arrows Formula One cars