The March 731 was a Formula One racing car designed by Robin Herd of March Engineering for the 1973 season which saw continued use through 1974.

March 731[1]
CategoryFormula One
ConstructorMarch Engineering
Designer(s)Robin Herd
PredecessorMarch 721
SuccessorMarch 741
Technical specifications
ChassisAluminium monocoque
Axle track1,448 mm (57.0 in) (Front)
1,448 mm (57.0 in) (Rear)
Wheelbase2,438 mm (96.0 in)
EngineFord-Cosworth DFV 2,993 cc (182.6 cu in) 90° V8 naturally aspirated mid-mounted
Transmission1976: Hewland DG 400 6-speed manual.
1977: Hewland FGA 400 6-speed manual.
Weight1,270 lb (580 kg)
TyresGoodyear
Firestone
Competition history
Notable entrantsMarch Engineering
Debut1973 Spanish Grand Prix[2]
RacesWinsPodiumsPolesF/Laps
150202
Constructors' Championships0
Drivers' Championships0
n.b. Unless otherwise stated, all data refer to
Formula One World Championship Grands Prix only.
March 731 front-view

Complete Formula One results

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(key)

Year Entrant Engine Tyres Drivers 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Points WCC
1973 March Racing Team Ford Cosworth DFV G ARG BRA RSA ESP BEL MON SWE FRA GBR NED GER AUT ITA CAN USA 14 5th
Henri Pescarolo 8
Jean-Pierre Jarier Ret Ret Ret Ret Ret NC 11
Roger Williamson Ret Ret
Clarke-Mordaunt-Guthrie-Durlacher Mike Beuttler 7 11 Ret 8 11 Ret 16 Ret Ret Ret 10
Team Pierre Robert Reine Wisell DNS Ret
LEC Refrigeration Racing David Purley Ret DNS Ret 15 9
Hesketh Racing James Hunt 9 6 4 3 Ret DNS 7 2
1974 Hesketh Racing Ford Cosworth DFV G ARG BRA RSA ESP BEL MON SWE NED FRA GBR GER AUT ITA CAN USA 6* 9th
James Hunt Ret 9
Dempster International Racing Team Mike Wilds DNQ

* All points scored by other March chassis

References

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  1. ^ "1973 March 731 Cosworth Specifications". Ultimatecarpage.com.
  2. ^ "March 731 • STATS F1". www.statsf1.com.