Retirement Ratio

1966 Border 100
1966 British GP
1967 ACF GP

until 1966 ACF GP

Include Indy 500 races
Ignore non-championship races
Note: records involving non-championship races may be inaccurate due to incomplete data.

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	100.00%	2	2
	Bernd Nacke	100.00%	1	1
	Frank Kurtis	100.00%	1	1
	Marcel Balsa	100.00%	1	1
	Walter Gerstenberg	100.00%	1	1
6	Frank Costin	84.62%	11	13
7	David Hodkin	71.43%	5	7
8	Arialdo Ruggieri	68.75%	11	16
9	Fred Wilkinson	66.67%	4	6
10	Derrick White	61.90%	13	21
11	Ernst Loof	57.83%	48	83
12	Eric Broadley	56.25%	18	32
13	Alex von Falkenhausen	55.56%	5	9
14	Shoichi Sano	52.94%	9	17
14	Yoshio Nakamura	52.94%	9	17
16	Alf Francis	52.08%	25	48
16	John Heath	52.08%	25	48
18	Peter Berthon	51.56%	33	64
19	Hans Klenk	50.00%	1	2
	Maurice Philippe	50.00%	1	2
	Robin Herd	50.00%	1	2
22	Am�d�e Gordini	49.74%	192	386
23	Tony Robinson	48.28%	14	29
24	Ted Cutting	46.67%	7	15
25	Alberto Massimino	45.10%	69	153
26	Ernesto Maserati	41.92%	122	291
27	Bill Aston	41.18%	7	17
28	Paul Greifzu	40.00%	2	5
29	Dante Giacosa	39.82%	45	113
30	Vittorio Bellentani	39.77%	247	621
31	Len Terry	39.34%	24	61
32	Colin Chapman	36.51%	360	986
33	Reid Railton	36.36%	76	209
34	Antonio Lago	36.24%	108	298
34	Carlo Marchetti	36.24%	108	298
36	Ron Tauranac	36.13%	86	238
37	Paul Emery	36.11%	13	36
38	Vittorio Jano	35.85%	95	265
39	H J Adlington	35.71%	5	14
40	Geoffrey Taylor	35.00%	21	60
41	Gioacchino Colombo	34.30%	249	726
42	Eddie Strait	33.33%	21	63
	Hans Gassmann	33.33%	14	42
	Hans Scherrenberg	33.33%	14	42
	Ludwig Krause	33.33%	14	42
	Doug Serrurier	33.33%	2	6
47	Mike Oliver	33.21%	87	262
47	Rodney Clarke	33.21%	87	262
49	Owen Maddock	32.41%	352	1086
50	Carlo Chiti	31.79%	55	173
51	Tony Rudd	31.13%	66	212
52	Aurelio Lampredi	29.55%	130	440
53	Ferdinand Porsche	29.41%	5	17
54	Bindo Maserati	27.59%	8	29
54	Ettore Maserati	27.59%	8	29
56	Mauro Forghieri	27.50%	22	80
57	Jack Brabham	25.00%	1	4
58	Valerio Colotti	20.00%	1	5
59	Helmut Bott	13.68%	16	117
60	Wilhelm Hild	13.33%	18	135
61	Rudolf Krause	12.50%	1	8
62	Hans Mezger	11.88%	12	101

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