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{{Short description|Formula One racing car}}
{{More citations needed|date=June 2018}}
{{Infobox racing car
{{Infobox racing car
| Car_name = Arrows A9
| Car_name = Arrows A9
| Image = [[File:Arrows -A9.jpg|250px]]
| Image = Arrows A9 at Goodwood 2012 (3).jpg
|Image_size=250px
|Caption=The A9 at the 2012 [[Goodwood Festival of Speed]]
| Category = [[Formula One]]
| Category = [[Formula One]]
| Constructor = [[Arrows Grand Prix International|Arrows]]
| Constructor = [[Arrows Grand Prix International|Arrows]]
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| Wheelbase = {{convert|2921|mm|in||abbr=on}}
| Wheelbase = {{convert|2921|mm|in||abbr=on}}
| Track = Front: {{convert|1854|mm|in||abbr=on}}<br>Rear: {{convert|1676|mm|in||abbr=on}}
| Track = Front: {{convert|1854|mm|in||abbr=on}}<br>Rear: {{convert|1676|mm|in||abbr=on}}
| Engine name = [[BMW M12|BMW M12/13]],
| Engine name = ''[[BMW M12|BMW M12/13]]'',
| Configuration = [[Straight 4]],
| Configuration = [[Inline-four engine|inline-four]],
| Capacity = {{convert|1499|cc|cuin|1|abbr=on}},
| Capacity = {{convert|1500|cc|cuin|1|abbr=on}},
| Turbo/NA = [[Turbocharger|turbo]],
| Turbo/NA = [[turbocharged]],
| Engine position = [[mid-engine]], [[longitudinal engine|longitudinally mounted]]
| Engine position = [[mid-engine]], [[longitudinal engine|longitudinally mounted]]
| Gearbox name = [[Arrows Grand Prix International|Arrows]] / [[Hewland]]
| Gearbox name = [[Arrows Grand Prix International|Arrows]] / [[Hewland]]
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| Tyres = [[Goodyear Tire and Rubber Company|Goodyear]]
| Tyres = [[Goodyear Tire and Rubber Company|Goodyear]]
| Debut = [[1986 German Grand Prix]]
| Debut = [[1986 German Grand Prix]]
|Last_event=[[1986 Austrian Grand Prix]]
| Races = 3
| Races = 3
| Cons_champ = 0
| Cons_champ = 0
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}}
}}


The '''Arrows A9''' was a [[Formula One]] car which the [[Arrows Grand Prix International|Arrows]] team used to compete in the [[1986 Formula One season]]. It was powered by the tubocharged [[Inline-four engine|Inline 4cyl]] [[BMW M12]] engine. Unlike the BMW's used by the [[Brabham]] and [[Benetton Formula|Benetton]] teams who's engines were maintained and updated regularly by [[BMW]], the Arrows engines were maintained by Swiss engine guru Heini Mader and were rated as the least powerful of the BMW runners.
The '''Arrows A9''' was a [[Formula One]] car which the [[Arrows Grand Prix International|Arrows]] team used to compete in the [[1986 Formula One season]]. It was powered by the massively-powerful ''[[BMW M12|BMW M12/13]]'' turbocharged [[inline-four engine|inline-four]] engine. Unlike the BMWs used by the [[Brabham]] and [[Benetton Formula|Benetton]] teams whose engines were maintained and updated regularly by [[BMW in Formula One|BMW]], the Arrows engines were maintained by Swiss engine guru Heini Mader and were rated as the least powerful of the BMW runners.


The A9 was supposed to replace the ageing [[Arrows A8|A8]] car, but it turned out to be worse than its predecessor.
The A9 was supposed to replace the ageing [[Arrows A8|A8]] car, but it turned out to be worse than its predecessor. The new car was the team's first carbon composite chassis, built by [[British Aerospace]] but delays in manufacture caused the car to be late. Its lack of performance caused Dave Wass to quit Arrows.<ref>{{Cite web|url=https://www.grandprix.com/people/dave-wass.html|title=Dave Wass|website=www.grandprix.com|access-date=18 July 2020}}</ref>


Because of this the team stuck with the A8 from [[1985 Formula One season|the previous season]]. As a result, the A9 only saw action at three races, at the [[1986 German Grand Prix|German]] and [[1986 Austrian Grand Prix|Austrian]] Grands Prix, in the hands of [[Thierry Boutsen]], in both of these races the car failed to finish after its turbocharger failed.
Because of this, the team stuck with the A8 from [[1985 Formula One season|the previous season]]. As a result, the A9 only saw action at three races, at the [[1986 German Grand Prix|German]] and [[1986 Austrian Grand Prix|Austrian]] Grands Prix, in the hands of [[Thierry Boutsen]], in both of these races the car failed to finish after its turbocharger failed.


At the [[1986 Hungarian Grand Prix|Hungarian]] Grand Prix team mate [[Christian Danner]] raced the A9 but retired after 7 laps with rear suspension failure.
At the [[1986 Hungarian Grand Prix|Hungarian]] Grand Prix teammate [[Christian Danner]] raced the A9 but retired after 7 laps with rear suspension failure.


The Arrows team found that the rear end was the major problem with the A9 and for a couple of races it was run with its new front end joined by the rear end of the A8. While this actually improved the performance of the new car, Arrows soon returned to running the older A8 for the balance of the season.<ref>[http://www.statsf1.com/en/arrows-a9.aspx Arrows A9 @ StatsF1]</ref>
The Arrows team found that the rear end was the major problem with the A9 and for a couple of races it was run with its new front end joined to the rear end of the A8. While this actually improved the performance of the new car, Arrows soon returned to running the older A8 for the balance of the season.<ref>{{Cite web|url=https://www.statsf1.com/en/arrows-a9.aspx|title=Arrows A9|website=www.statsf1.com|access-date=18 July 2020}}</ref>


Arrows finished the season in 10th place, with a single point, earned by Boutsen's team-mate [[Christian Danner]] in Austria while driving the A8.
Arrows finished the season in 10th place, with a single point, earned by Boutsen's teammate [[Christian Danner]] in Austria while driving the A8.
{{-}}
{{Clear}}


==Complete Formula One results==
==Complete Formula One results==
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{| class="wikitable" style="text-align:center; font-size:95%"
{| class="wikitable" style="text-align:center; font-size:95%"
! Year
! Year
! Team
! Entrant
! Engine
! Engine
! Tyres
! Tyres
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! WCC
! WCC
|-
|-
|rowspan="3"| {{F1|1986}}
| rowspan="3"| {{F1|1986}}
|rowspan="3"| [[Barclay (cigarette)|Barclay]] [[Arrows Grand Prix International|Arrows]] [[BMW]]
| rowspan="3"| [[Barclay (cigarette)|Barclay]] [[Arrows Grand Prix International|Arrows]] [[BMW]]
|rowspan="3"| [[BMW M12]] [[Straight-4|S4]] ([[Turbocharger|t/c]])
| rowspan="3"| [[BMW M12]] [[Straight-4|S4]] ([[Turbocharger|t/c]])
|rowspan="3"| {{Goodyear}}
| rowspan="3"| {{Goodyear}}
||
|
|| [[1986 Brazilian Grand Prix|BRA]]
| [[1986 Brazilian Grand Prix|BRA]]
|| [[1986 Spanish Grand Prix|ESP]]
| [[1986 Spanish Grand Prix|ESP]]
|| [[1986 San Marino Grand Prix|SMR]]
| [[1986 San Marino Grand Prix|SMR]]
|| [[1986 Monaco Grand Prix|MON]]
| [[1986 Monaco Grand Prix|MON]]
|| [[1986 Belgian Grand Prix|BEL]]
| [[1986 Belgian Grand Prix|BEL]]
|| [[1986 Canadian Grand Prix|CAN]]
| [[1986 Canadian Grand Prix|CAN]]
|| [[1986 Detroit Grand Prix|DET]]
| [[1986 Detroit Grand Prix|DET]]
|| [[1986 French Grand Prix|FRA]]
| [[1986 French Grand Prix|FRA]]
|| [[1986 British Grand Prix|GBR]]
| [[1986 British Grand Prix|GBR]]
|| [[1986 German Grand Prix|GER]]
| [[1986 German Grand Prix|GER]]
|| [[1986 Hungarian Grand Prix|HUN]]
| [[1986 Hungarian Grand Prix|HUN]]
|| [[1986 Austrian Grand Prix|AUT]]
| [[1986 Austrian Grand Prix|AUT]]
|| [[1986 Italian Grand Prix|ITA]]
| [[1986 Italian Grand Prix|ITA]]
|| [[1986 Portuguese Grand Prix|POR]]
| [[1986 Portuguese Grand Prix|POR]]
|| [[1986 Mexican Grand Prix|MEX]]
| [[1986 Mexican Grand Prix|MEX]]
|| [[1986 Australian Grand Prix|AUS]]
| [[1986 Australian Grand Prix|AUS]]
|rowspan="3"|'''1*'''
| rowspan="3"|'''1*'''
|rowspan="3"|'''10th'''
| rowspan="3"|'''10th'''
|-
|-
| {{flagicon|BEL}} [[Thierry Boutsen]]
| [[Thierry Boutsen]]
||
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⚫
| style="background:#EFCFFF;"| Ret
⚫
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⚫
| style="background:#EFCFFF;"| Ret
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⚫
|style="background:#EFCFFF;"| Ret
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⚫
|style="background:#EFCFFF;"| Ret
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|-
| {{flagicon|GER}} [[Christian Danner]]
| [[Christian Danner]]
||
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⚫
| style="background:#EFCFFF;"| Ret
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|style="background:#EFCFFF;"| Ret
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|}
|}


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==References==
==References==
{{Reflist}}
*[http://www.f1db.com/f1/page/Arrows_A9 Arrows A9 at f1db]
*[https://web.archive.org/web/20120318061712/http://www.f1db.com/f1/page/Arrows_A9 Arrows A9 at f1db]


{{Arrows}}
{{Arrows}}

Latest revision as of 12:16, 11 July 2023

Arrows A9
The A9 at the 2012 Goodwood Festival of Speed
CategoryFormula One
ConstructorArrows
Designer(s)Dave Wass
PredecessorA8
SuccessorA10
Technical specifications
ChassisCarbon fibre monocoque
Axle trackFront: 1,854 mm (73.0 in)
Rear: 1,676 mm (66.0 in)
Wheelbase2,921 mm (115.0 in)
EngineBMW M12/13, 1,500 cc (91.5 cu in), inline-four, turbocharged, mid-engine, longitudinally mounted
TransmissionArrows / Hewland 6-speed manual
Weight540 kg (1,190 lb)
FuelCastrol
TyresGoodyear
Competition history
Notable entrantsBarclay Arrows BMW
Notable drivers17. Germany Christian Danner
18. Belgium Thierry Boutsen
Debut1986 German Grand Prix
Last event1986 Austrian Grand Prix
RacesWinsPolesF/Laps
3000
Constructors' Championships0
Drivers' Championships0

The Arrows A9 was a Formula One car which the Arrows team used to compete in the 1986 Formula One season. It was powered by the massively-powerful BMW M12/13 turbocharged inline-four engine. Unlike the BMWs used by the Brabham and Benetton teams whose engines were maintained and updated regularly by BMW, the Arrows engines were maintained by Swiss engine guru Heini Mader and were rated as the least powerful of the BMW runners.

The A9 was supposed to replace the ageing A8 car, but it turned out to be worse than its predecessor. The new car was the team's first carbon composite chassis, built by British Aerospace but delays in manufacture caused the car to be late. Its lack of performance caused Dave Wass to quit Arrows.[1]

Because of this, the team stuck with the A8 from the previous season. As a result, the A9 only saw action at three races, at the German and Austrian Grands Prix, in the hands of Thierry Boutsen, in both of these races the car failed to finish after its turbocharger failed.

At the Hungarian Grand Prix teammate Christian Danner raced the A9 but retired after 7 laps with rear suspension failure.

The Arrows team found that the rear end was the major problem with the A9 and for a couple of races it was run with its new front end joined to the rear end of the A8. While this actually improved the performance of the new car, Arrows soon returned to running the older A8 for the balance of the season.[2]

Arrows finished the season in 10th place, with a single point, earned by Boutsen's teammate Christian Danner in Austria while driving the A8.

Complete Formula One results[edit]

(key)

Year Entrant Engine Tyres Drivers 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Points WCC
1986 Barclay Arrows BMW BMW M12 S4 (t/c) G BRA ESP SMR MON BEL CAN DET FRA GBR GER HUN AUT ITA POR MEX AUS 1* 10th
Thierry Boutsen Ret Ret
Christian Danner Ret

* scored with the Arrows A8

References[edit]

  1. ^ "Dave Wass". www.grandprix.com. Retrieved 18 July 2020.
  2. ^ "Arrows A9". www.statsf1.com. Retrieved 18 July 2020.


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