Retirement Ratio

1984 South African GP
1985 Brazilian GP

until 1984 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
	Bernd Nacke	100.00%	1	1
	Frank Kurtis	100.00%	1	1
	Giuseppe Petrotta	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
	Sergio Rinland	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	61.29%	38	62
27	Ernst Loof	61.11%	11	18
28	François Castaing	60.28%	85	141
28	Marcel Hubert	60.28%	85	141
30	Geoffrey Taylor	60.00%	3	5
31	Frank Costin	58.97%	46	78
32	Ray Stokoe	57.14%	8	14
33	Shoichi Sano	56.52%	26	46
33	Yoshio Nakamura	56.52%	26	46
35	Claude Gallopin	56.25%	18	32
35	Henri Durand	56.25%	18	32
37	Eric Broadley	55.88%	19	34
38	Len Terry	55.77%	87	156
39	Alberto Massimino	55.70%	44	79
40	Paul Emery	55.56%	10	18
	Alex von Falkenhausen	55.56%	5	9
	Reid Railton	55.56%	5	9
43	Ted Cutting	54.55%	6	11
44	David North	54.36%	81	149
45	Derrick White	53.70%	58	108
46	Michel Tetu	53.24%	74	139
47	Peter Berthon	53.23%	33	62
48	John Clarke	52.94%	36	68
49	Alf Francis	52.08%	25	48
49	John Heath	52.08%	25	48
51	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
	Gordon Kimball	50.00%	1	2
	Luigi Marmiroli	50.00%	1	2
	Peter Wyss	50.00%	1	2
59	Vittorio Bellentani	49.52%	154	311
60	Robert Choulet	49.41%	84	170
61	Antonio Lago	49.38%	40	81
61	Carlo Marchetti	49.38%	40	81
63	Michel Beaujon	49.00%	98	200
64	Geoff Aldridge	48.91%	45	92
65	Arturo Merzario	47.62%	10	21
66	Mike Pilbeam	47.46%	56	118
67	Gordon Murray	47.35%	179	378
68	Martin Ogilvie	47.27%	130	275
69	Gioacchino Colombo	46.88%	158	337
70	Nigel Bennett	46.58%	34	73
71	Herve Guilpin	46.51%	20	43
72	Peter Wright	44.84%	113	252
73	Jo Marquart	44.44%	16	36
74	Gerard Ducarouge	44.35%	149	336
75	Tony Southgate	44.30%	264	596
76	Colin Chapman	44.23%	433	979
77	Gustav Brunner	44.12%	15	34
78	Maurice Philippe	43.76%	186	425
79	Robin Herd	43.59%	255	585
80	Ron Tauranac	43.21%	156	361
81	Eddie Strait	43.18%	19	44
82	Carlo Chiti	43.13%	91	211
83	Rory Byrne	42.86%	36	84
83	Gordon Fowell	42.86%	3	7
85	Tim Wadrop	42.62%	26	61
86	John Baldwin	42.50%	51	120
87	Geoff Ferris	42.42%	70	165
88	Dave Baldwin	42.24%	49	116
89	Ernesto Maserati	42.11%	8	19
89	Tony Robinson	42.11%	8	19
91	Dave Wass	41.24%	146	354
92	John Barnard	41.18%	35	85
93	Brian Lisles	40.54%	30	74
93	Peter Connew	40.54%	30	74
95	Tony Rudd	40.10%	83	207
96	Giocomo Caliri	40.00%	4	10
97	Vittorio Jano	39.60%	80	202
98	Harvey Postlethwaite	38.95%	104	267
99	Ralph Bellamy	38.74%	117	302
100	Owen Maddock	38.64%	148	383
101	Shahab Ahmed	38.55%	32	83
102	John Surtees	38.46%	100	260
102	Morris Nunn	38.46%	10	26
104	Giacomo Caliri	38.24%	13	34
105	Luigi Colani	37.50%	3	8
106	Gordon Coppuck	36.28%	152	419
107	John Gentry	36.03%	49	136
108	Hans Gassmann	35.90%	14	39
	Hans Scherrenberg	35.90%	14	39
	Ludwig Krause	35.90%	14	39
111	Len Bailey	35.71%	5	14
112	Giorgio Valentini	34.55%	19	55
113	Bernard Dudot	34.48%	10	29
113	Jean-Claude Migeot	34.48%	10	29
115	Guglielmo Bellasi	33.33%	2	6
115	Martin Walters	33.33%	1	3
117	Mauro Forghieri	33.15%	178	537
118	Derek Gardner	32.76%	76	232
119	Aurelio Lampredi	32.16%	64	199
120	Andy Smallman	30.91%	17	55
121	Bernard Boyer	30.77%	36	117
122	Ken Sears	29.81%	31	104
123	Nigel Stroud	29.55%	13	44
124	Adrian Reynard	28.57%	16	56
125	Richard Divila	27.66%	13	47
126	Neil Oatley	27.53%	49	178
126	Patrick Head	27.53%	49	178
128	Bindo Maserati	27.27%	3	11
128	Ettore Maserati	27.27%	3	11
130	Frank Dernie	25.53%	48	188
131	Tom Boyce	25.00%	1	4
132	Alan Mertens	23.81%	5	21
133	Helmut Bott	20.93%	9	43
134	Valerio Colotti	20.00%	1	5
135	Wilhelm Hild	17.74%	11	62
136	Hans Mezger	16.67%	5	30
136	Tim Wright	16.67%	1	6
138	Renato Martini	14.29%	1	7
139	Dave Kelly	11.76%	2	17
140	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