Retirement Ratio

1983 US West GP
1984 Brazilian GP

until 1983 Brazilian 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
	Claude Gallopin	100.00%	2	2
	Henri Durand	100.00%	2	2
	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
13	Gianpaolo Dallara	81.82%	9	11
14	Bill Aston	75.00%	3	4
15	Arialdo Ruggieri	68.75%	11	16
16	André de Cortanze	67.74%	21	31
17	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
22	Mike Oliver	65.38%	34	52
22	Rodney Clarke	65.38%	34	52
24	Giorgio Stirano	63.64%	7	11
25	Amédée Gordini	63.08%	82	130
26	Mario Tolentino	62.50%	20	32
27	Ernst Loof	61.11%	11	18
28	François Castaing	60.00%	84	140
	Marcel Hubert	60.00%	84	140
	Geoffrey Taylor	60.00%	3	5
31	Frank Costin	58.97%	46	78
32	Michel Tetu	57.80%	63	109
33	Ray Stokoe	57.14%	8	14
34	Shoichi Sano	56.52%	26	46
34	Yoshio Nakamura	56.52%	26	46
36	Eric Broadley	55.88%	19	34
37	Len Terry	55.77%	87	156
38	Alberto Massimino	55.70%	44	79
39	Paul Emery	55.56%	10	18
	Alex von Falkenhausen	55.56%	5	9
	Reid Railton	55.56%	5	9
42	David North	55.46%	66	119
43	Ted Cutting	54.55%	6	11
44	Derrick White	53.70%	58	108
45	Peter Berthon	53.23%	33	62
46	John Clarke	52.94%	36	68
47	Alf Francis	52.08%	25	48
47	John Heath	52.08%	25	48
49	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
55	Vittorio Bellentani	49.52%	154	311
56	Robert Choulet	49.41%	84	170
57	Antonio Lago	49.38%	40	81
57	Carlo Marchetti	49.38%	40	81
59	Geoff Aldridge	48.91%	45	92
60	Michel Beaujon	48.24%	82	170
61	Nigel Bennett	47.92%	23	48
62	Arturo Merzario	47.62%	10	21
63	Mike Pilbeam	47.46%	56	118
64	Gordon Murray	47.13%	164	348
65	Gioacchino Colombo	46.88%	158	337
66	Herve Guilpin	46.51%	20	43
67	Martin Ogilvie	44.90%	110	245
68	Peter Wright	44.84%	113	252
69	Jo Marquart	44.44%	16	36
70	Tony Southgate	44.37%	252	568
71	Colin Chapman	43.83%	423	965
72	Robin Herd	43.59%	255	585
73	Maurice Philippe	43.54%	172	395
74	Ron Tauranac	43.21%	156	361
75	Eddie Strait	43.18%	19	44
76	Carlo Chiti	43.13%	91	211
77	Gordon Fowell	42.86%	3	7
78	Tim Wadrop	42.62%	26	61
79	Dave Wass	42.59%	138	324
80	Geoff Ferris	42.42%	70	165
81	Dave Baldwin	42.24%	49	116
82	John Baldwin	42.11%	48	114
	Ernesto Maserati	42.11%	8	19
	Tony Robinson	42.11%	8	19
85	Gerard Ducarouge	41.78%	122	292
86	Peter Connew	40.54%	30	74
87	Tony Rudd	40.10%	83	207
88	John Barnard	40.00%	22	55
88	Giocomo Caliri	40.00%	4	10
90	Vittorio Jano	39.60%	80	202
91	Harvey Postlethwaite	38.82%	92	237
92	Ralph Bellamy	38.74%	117	302
93	Owen Maddock	38.64%	148	383
94	Shahab Ahmed	38.55%	32	83
95	John Surtees	38.46%	100	260
95	Morris Nunn	38.46%	10	26
97	Giacomo Caliri	38.24%	13	34
98	Luigi Colani	37.50%	3	8
99	Brian Lisles	36.36%	16	44
100	Gordon Coppuck	35.92%	148	412
101	Hans Gassmann	35.90%	14	39
	Hans Scherrenberg	35.90%	14	39
	Ludwig Krause	35.90%	14	39
104	Len Bailey	35.71%	5	14
105	Giorgio Valentini	34.55%	19	55
106	Rory Byrne	33.33%	18	54
	Guglielmo Bellasi	33.33%	2	6
	Martin Walters	33.33%	1	3
109	Derek Gardner	32.76%	76	232
110	Mauro Forghieri	32.74%	166	507
111	Aurelio Lampredi	32.16%	64	199
112	Gustav Brunner	31.58%	6	19
113	Andy Smallman	30.91%	17	55
114	Bernard Boyer	30.77%	36	117
115	Ken Sears	29.81%	31	104
116	Nigel Stroud	29.55%	13	44
117	John Gentry	29.25%	31	106
118	Adrian Reynard	28.57%	16	56
119	Richard Divila	27.66%	13	47
120	Bindo Maserati	27.27%	3	11
120	Ettore Maserati	27.27%	3	11
122	Neil Oatley	27.21%	40	147
122	Patrick Head	27.21%	40	147
124	Tom Boyce	25.00%	1	4
125	Frank Dernie	24.84%	39	157
126	Alan Mertens	23.81%	5	21
127	Helmut Bott	20.93%	9	43
128	Valerio Colotti	20.00%	1	5
129	Wilhelm Hild	17.74%	11	62
130	Hans Mezger	16.67%	5	30
131	Renato Martini	14.29%	1	7
132	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