McLaren M23

Emerson Fittipaldi in the McLaren M23 at the 1974 British Grand Prix.

Competition history

Denny Hulme's 1973 McLaren-Ford M23 being demonstrated at the Goodwood Festival of Speed

Mike Hailwood driving a Yardley-liveried McLaren M23 at Brands Hatch in 1974

A McLaren M23 with much of its bodywork and front wing removed, Cosworth DFV visible in the rear. Note the exposed pedals between the front wheels and minimal upper-body crash protection, very different from today's F1 cars.

It was introduced for the 1973 season, and scored pole position with Denny Hulme on its very first outing. Hulme and Peter Revson took three wins between them that season, while rookie Jody Scheckter nearly added a fourth. Scheckter was responsible for one of the biggest accidents Formula One has ever seen, at the 1973 British Grand Prix, when he spun his M23 in front of the pack. Emerson Fittipaldi joined McLaren from Lotus in 1974. His knowledge of the Lotus 72 helped McLaren develop the M23 and that season Fittipaldi gave McLaren its first drivers' and constructors' world championships, beating Ferrari, Tyrrell and Lotus.

Further development in 1975 – including a 6-speed gearbox, a novelty for the time – helped Fittipaldi to second in the drivers' championship behind Niki Lauda, who had the benefit of Ferrari's 312T chassis and McLaren to third in the constructors' championship, behind Ferrari and Brabham. The team experimented with different bodywork styles, including aerodynamic kickups in front of the rear wheels, different nose profiles and extended bodywork in front of the rear wheels, housing the oil coolers. Most of these changes were adopted for the M23 and its successor, the McLaren M26. At the end of 1975 Fittipaldi left the team to join his brother's Copersucar-sponsored Fittipaldi Automotive team. He was replaced by James Hunt, who went on to win a dramatic and controversial 1976 season with the final evolution M23, the M23D.

When the replacement McLaren M26 proved troublesome, Hunt and Jochen Mass relied on the M23 in the early part of the 1977 season, and even though the car was now four years old it was still competitive.

The M23 was never the most technically advanced F1 car, but sound preparation and continual development helped it win 16 Grands Prix, two drivers' and one constructors' world championships in its lifetime.

The M23 was also modified for use in Formula 5000 racing. Australian driver John McCormack drove a Leyland powered M23 to win the 1977 Australian Drivers' Championship. McCormack also put his M23 on pole for the 1978 Australian Grand Prix.

	McLaren-Cosworth M23
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Complete Formula One World Championship results

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

Year	Entrant	Engine	Tyres	Drivers	No.	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	Points	WCC
1973	Yardley Team McLaren	Ford Cosworth DFV 3.0 V8	G			ARG	BRA	RSA	ESP	BEL	MON	SWE	FRA	GBR	NED	GER	AUT	ITA	CAN	USA			58*	3rd
				Denny Hulme				5	6	7	6	1	8	3	Ret	12	8	15	13	4
				Peter Revson					4	Ret	5	7		1	4	9	Ret	3	1	5
				Jody Scheckter									Ret	DNS					Ret	Ret
				Jacky Ickx												3
1974	Marlboro Team Texaco	Ford Cosworth DFV 3.0 V8	G			ARG	BRA	RSA	ESP	BEL	MON	SWE	NED	FRA	GBR	GER	AUT	ITA	CAN	USA			73 (75)	1st
				Emerson Fittipaldi	5	10	1	7	3	1	5	4	3	Ret	2	Ret	Ret	2	1	4
				Denny Hulme	6	1	12	9	6	6	Ret	Ret	Ret	6	7	DSQ	2	6	6	Ret
	Yardley Team McLaren			Mike Hailwood	33	4	5	3	9	7	Ret	Ret	4	7	Ret	15
				David Hobbs													7	9
				Jochen Mass															16	7
	Scribante Lucky Strike Racing			Dave Charlton	23			19
1975	Marlboro Team McLaren	Ford Cosworth DFV 3.0 V8	G			ARG	BRA	RSA	ESP	MON	BEL	SWE	NED	FRA	GBR	GER	AUT	ITA	USA				53	3rd
				Emerson Fittipaldi	1	1	2	Ret	DNS	2	7	8	Ret	4	1	Ret	9	2	2
				Jochen Mass	2	14	3	6	1	6	Ret	Ret	Ret	3	7	Ret	4	Ret	3
	Lucky Strike Racing			Dave Charlton	31			14
1976	Marlboro Team McLaren	Ford Cosworth DFV 3.0 V8	G			BRA	RSA	USW	ESP	BEL	MON	SWE	FRA	GBR	GER	AUT	NED	ITA	CAN	USA	JPN		74 (75)	2nd
				James Hunt	11	Ret	2	Ret	1	Ret	Ret	5	1	DSQ	1	4	1	Ret	1	1	3
				Jochen Mass	12	6	3	5	Ret	6	5	11	15	Ret	3	7		Ret	5	4	Ret
1977	Marlboro Team McLaren	Ford Cosworth DFV 3.0 V8	G			ARG	BRA	RSA	USW	ESP	MON	BEL	SWE	FRA	GBR	GER	AUT	NED	ITA	USA	CAN	JPN	60*	3rd
				James Hunt	1	Ret	2	4	7		Ret
				Jochen Mass	2	Ret	Ret	5	Ret	4	4	Ret	2	9
				Bruno Giacomelli	14														Ret
				Gilles Villeneuve	40										11
	Iberia Airlines			Emilio de Villota	36					13		DNQ	DNQ		DNQ	DNQ	17		DNQ
	Chesterfield Racing			Brett Lunger	30							DNS	11	DNQ	13	Ret	10	9	Ret	10	11
1978	Liggett Group/ B&S Fabrications	Ford Cosworth DFV 3.0 V8	G			ARG	BRA	RSA	USW	MON	BEL	ESP	SWE	FRA	GBR	GER	AUT	NED	ITA	USA	CAN		15	8th
				Brett Lunger	30	13	Ret	11	DNQ
				Nelson Piquet	29												Ret	Ret	9
	Centro Aseguredor F1			Emilio de Villota	28							DNQ
	Melchester Racing			Tony Trimmer	40										DNQ

* 12 points in 1973 scored using the M19A and M19C
* 39 points in 1977 scored using the M26
* All points in 1978 scored using the McLaren M26

References

F1 Racing magazine, January 2001
Motor Sport (magazine), August 2002

↑ "McLaren M23 Cosworth". Ultimatecarpage.com. Retrieved 25 May 2010.

External links

Wikimedia Commons has media related to McLaren M23.

McLaren Honda

Founder: Bruce McLaren

McLaren Technology Group: Ron Dennis (25%); TAG Group (25%); Mumtalakat (50%)

Head management: Jost Capito (CEO); Éric Boullier (Racing Director)

Current personnel: Tim Goss; Neil Oatley; Peter Prodromou; Andrea Stella

Former personnel: John Barnard; Alastair Caldwell; Gordon Coppuck; Mike Coughlan; Pat Fry; Steve Hallam; Norbert Haug; Robin Herd; Paddy Lowe; Neil Martin; Teddy Mayer; Sam Michael; Gordon Murray; Jonathan Neale; Adrian Newey; Steve Nichols; Jo Ramírez; Nicholas Tombazis; Martin Whitmarsh

2016 race drivers: 14. Fernando Alonso; 22. Jenson Button

2016 test and reserve drivers: Stoffel Vandoorne; Nobuharu Matsushita (Development)

McLaren young driver programme: Stoffel Vandoorne; Nyck de Vries; Ben Barnicoat

World Champions: Emerson Fittipaldi; Lewis Hamilton; James Hunt; Mika Häkkinen; Niki Lauda; Alain Prost; Ayrton Senna

Former drivers: See category

Drivers' titles: 1974; 1976; 1984; 1985; 1986; 1988; 1989; 1990; 1991; 1998; 1999; 2008

Constructors' titles: 1974; 1984; 1985; 1988; 1989; 1990; 1991; 1998

Cars:

Formula One M2B M4B M5A M7A M7B M7C M7D M9A M14A M14D M19A M19C M23 M26 M28 M29 M29F M30 MP4 (MP4/1) MP4B (MP4/1B) MP4/1C MP4/1E MP4/2 MP4/2B MP4/2C MP4/3 MP4/4 MP4/5 MP4/5B MP4/6 MP4/6B MP4/7A MP4/8 MP4/9 MP4/10 MP4/10B MP4/10C MP4/11 MP4/11B MP4/12 MP4/13 MP4/14 MP4/15 MP4-16 MP4-17 MP4-17D MP4-18 MP4-19 MP4-19B MP4-20 MP4-21 MP4-22 MP4-23 MP4-24 MP4-25 MP4-26 MP4-27 MP4-28 MP4-29 MP4-30 MP4-31 Formula Two M4A M21 Sports cars Zerex Special M1A M1B M1C M6A M6B M6GT M8A M8B M8C M8D M8E M8F M8FP M12 M20 F1 GTR 12C GT3 650S GT3 P1 GTR USAC/IndyCar M15 M16A M16B M16C M16C/D M16E M24 F5000/Libre M3 M10A M10B M18 M22 M25 Development cars M2A MP4-29H/1X1 Road cars F1 F1 LM SLR (for Mercedes-Benz) MP4-12C P1 X-1 650S 675LT Engines M838T Merged team Project Four Racing Related West Competition

Cars that competed in the 1973 Formula One season

Brabham BT37 Brabham BT42 BRM P160C/P160D/P160E Ensign N173 Ferrari 312B2 Ferrari 312B3 Iso-Marlboro FX3B Iso-Marlboro IR Lotus 72D/72E March 721G March 731 McLaren M19A/M19C McLaren M23 Shadow DN1 Surtees TS9B Surtees TS14A Tecno PA123B Tecno E731 Tyrrell 004 Tyrrell 005 Tyrrell 006

Cars that competed in the 1974 Formula One season

Amon AF101 Brabham BT42 Brabham BT44 BRM P160E BRM P201 Ensign N174 Ferrari 312B3-74 Hesketh 308 Iso-Marlboro FW Lola T370 Lotus 72E Lotus 76 Lyncar L006 Maki F101B March 731 March 741 McLaren M23 Parnelli VPJ4 Penske PC1 Shadow DN1 Shadow DN3 Surtees TS16 Token RJ02 Trojan T103 Tyrrell 004 Tyrrell 005 Tyrrell 006 Tyrrell 007

Cars that competed in the 1975 Formula One season

Cars that competed in the 1976 Formula One season

Cars that competed in the 1977 Formula One season

Apollon Fly Brabham BT45/BT45B Boro 001 BRM P201B BRM P207 Ensign N177 Ferrari 312T2 Fittipaldi FD04 Fittipaldi F5 Hesketh 308E Kojima KE009 LEC CRP1 Ligier JS7 Lotus 78 March 761/761B March 771 McGuire BM1 McLaren M23 McLaren M26 Penske PC4 Renault RS01 Shadow DN5B Shadow DN8 Surtees TS19 Tyrrell 007 Tyrrell P34 Wolf WR1-3

Cars that competed in the 1978 Formula One season

Lotus 78 Lotus 79 Brabham BT45C Brabham BT46/B/C Ferrari 312T2/312T3 Tyrrell 008 Wolf WR1-4 Wolf WR5-6 Ligier JS7 Ligier JS7/9 Ligier JS9 Fittipaldi F5A McLaren M23 McLaren M26 Williams FW06 Arrows FA1 Arrows A1 Shadow DN8 Shadow DN9 Renault RS01 Surtees TS19 Surtees TS20 Ensign N175 Ensign N177 Martini MK23 Hesketh 308E ATS HS1 ATS D1 Theodore TR1 Merzario A1

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