Retirement Ratio

1987 Spanish GP
1988 Portuguese GP

until 1987 Portuguese GP

Ignore Indy 500 races
Include non-championship races

Finishing position:

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 ret dsq dpts cpts

Pos	Designer	Retirement Ratio	Retirements	Entries
1	Claude Hill	200.00%	2	1
2	David Hodkin	100.00%	3	3
	Andy Brown	100.00%	1	1
	Bernd Nacke	100.00%	1	1
	Frank Kurtis	100.00%	1	1
	Hans Klenk	100.00%	1	1
	Hugh Aiden-Jones	100.00%	1	1
	Jack Brabham	100.00%	1	1
	Marcel Balsa	100.00%	1	1
	Paul Greifzu	100.00%	1	1
	Walter Gerstenberg	100.00%	1	1
12	Gianpaolo Dallara	81.82%	9	11
13	Tim Feast	76.92%	20	26
14	Bill Aston	75.00%	3	4
15	Giuseppe Petrotta	72.09%	62	86
16	Ross Brawn	70.00%	42	60
17	Luigi Marmiroli	69.39%	34	49
18	Giacomo Caliri	68.87%	73	106
19	Arialdo Ruggieri	68.75%	11	16
20	Andr� de Cortanze	67.74%	21	31
21	Jean-Pierre Jabouille	66.67%	12	18
	Gianfranco Pederzani	66.67%	6	9
	Luciano Pederzani	66.67%	6	9
	Fred Wilkinson	66.67%	4	6
	Alan Phillips	66.67%	2	3
26	Paul Brown	65.91%	29	44
27	Chris Murphy	65.62%	42	64
28	Mike Oliver	65.38%	34	52
28	Rodney Clarke	65.38%	34	52
30	Heinz Zollner	65.00%	13	20
31	Mario Tolentino	64.52%	80	124
32	Giorgio Stirano	63.64%	7	11
33	Am�d�e Gordini	63.08%	82	130
34	Gustav Brunner	61.39%	62	101
35	Ernst Loof	61.11%	11	18
35	Stefan Fober	61.11%	11	18
37	Fran�ois Castaing	60.28%	85	141
37	Marcel Hubert	60.28%	85	141
39	Geoffrey Taylor	60.00%	3	5
40	Frank Costin	58.97%	46	78
41	Tim Holloway	58.33%	7	12
42	David North	58.27%	155	266
43	Eric Broadley	57.78%	26	45
44	Ray Stokoe	57.14%	8	14
45	Shoichi Sano	56.52%	26	46
45	Yoshio Nakamura	56.52%	26	46
47	Len Terry	55.77%	87	156
48	Alberto Massimino	55.70%	44	79
49	Paul Emery	55.56%	10	18
	Alex von Falkenhausen	55.56%	5	9
	Reid Railton	55.56%	5	9
52	Ted Cutting	54.55%	6	11
53	John Baldwin	53.89%	97	180
54	Derrick White	53.70%	58	108
55	Rory Byrne	53.48%	100	187
56	Peter Berthon	53.23%	33	62
57	John Clarke	52.94%	36	68
58	Sergio Rinland	52.21%	71	136
59	Alf Francis	52.08%	25	48
59	John Heath	52.08%	25	48
61	Jean-Marc d'Adda	51.61%	16	31
62	Michel Tetu	51.34%	115	224
63	Michel Beaujon	50.00%	130	260
	Claude Gallopin	50.00%	73	146
	Henri Durand	50.00%	73	146
	Antonio Tomaini	50.00%	15	30
	Doug Serrurier	50.00%	4	8
	H J Adlington	50.00%	2	4
	Ray Jessop	50.00%	2	4
	Alan McCall	50.00%	1	2
	Peter Wyss	50.00%	1	2
72	Vittorio Bellentani	49.52%	154	311
73	Gordon Murray	49.47%	233	471
74	Robert Choulet	49.41%	84	170
75	Antonio Lago	49.38%	40	81
75	Carlo Marchetti	49.38%	40	81
77	Geoff Aldridge	48.91%	45	92
78	Bernard Dudot	48.35%	44	91
79	Arturo Merzario	47.62%	10	21
80	Mike Pilbeam	47.46%	56	118
81	Gioacchino Colombo	46.88%	158	337
82	Nigel Bennett	46.58%	34	73
83	Herve Guilpin	46.51%	20	43
84	Tim Wright	45.83%	11	24
85	Jean-Claude Migeot	45.16%	70	155
86	Peter Wright	44.84%	113	252
87	Martin Ogilvie	44.78%	176	393
88	Jo Marquart	44.44%	16	36
89	Tony Southgate	44.39%	265	597
90	Colin Chapman	44.23%	433	979
91	Robin Herd	43.59%	255	585
92	Ron Tauranac	43.21%	156	361
93	Eddie Strait	43.18%	19	44
94	Carlo Chiti	43.13%	91	211
95	Dave Wass	42.95%	192	447
96	Gerard Ducarouge	42.95%	195	454
97	Gordon Fowell	42.86%	3	7
98	Tim Wadrop	42.62%	26	61
99	Dave Kelly	42.55%	20	47
100	Geoff Ferris	42.42%	70	165
101	Dave Baldwin	42.24%	49	116
102	Ernesto Maserati	42.11%	8	19
102	Tony Robinson	42.11%	8	19
104	John Barnard	41.87%	85	203
105	John Gentry	41.01%	73	178
106	Peter Connew	40.54%	30	74
107	Maurice Philippe	40.37%	216	535
108	Tony Rudd	40.10%	83	207
109	Giocomo Caliri	40.00%	4	10
110	Ralph Bellamy	39.62%	124	313
111	Vittorio Jano	39.60%	80	202
112	Harvey Postlethwaite	38.78%	140	361
113	Neil Oatley	38.77%	107	276
114	Owen Maddock	38.64%	148	383
115	Shahab Ahmed	38.55%	32	83
116	John Surtees	38.46%	100	260
116	Morris Nunn	38.46%	10	26
118	Gordon Coppuck	37.64%	169	449
119	Luigi Colani	37.50%	3	8
120	Gordon Kimball	36.46%	35	96
121	Hans Gassmann	35.90%	14	39
	Hans Scherrenberg	35.90%	14	39
	Ludwig Krause	35.90%	14	39
124	Len Bailey	35.71%	5	14
125	Giorgio Valentini	34.55%	19	55
126	Guglielmo Bellasi	33.33%	2	6
126	Martin Walters	33.33%	1	3
128	Mauro Forghieri	33.16%	188	567
129	Derek Gardner	32.76%	76	232
130	Brian Lisles	32.61%	60	184
131	Aurelio Lampredi	32.16%	64	199
132	Patrick Head	31.76%	94	296
133	Andy Smallman	30.91%	17	55
134	Bernard Boyer	30.77%	36	117
135	Frank Dernie	30.39%	93	306
136	Ken Sears	29.81%	31	104
137	Nigel Stroud	29.55%	13	44
138	Adrian Reynard	28.57%	16	56
	Christian Vanderpleyn	28.57%	4	14
	Michel Costa	28.57%	4	14
141	Richard Divila	27.66%	13	47
142	Bindo Maserati	27.27%	3	11
142	Ettore Maserati	27.27%	3	11
144	Tom Boyce	25.00%	1	4
145	Alan Mertens	23.81%	5	21
146	Helmut Bott	20.93%	9	43
147	Steve Nichols	20.83%	5	24
148	Valerio Colotti	20.00%	1	5
149	Wilhelm Hild	17.74%	11	62
150	Hans Mezger	16.67%	5	30
151	Renato Martini	14.29%	1	7
152	Masao Ono	9.09%	1	11

Finishing position:

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 ret dsq dpts cpts