Disqualification Ratio

until 1984 British GP

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

Finishing position:

Pos	Designer	Disqualification Ratio	Disqualifications	Entries
1	Brian Lisles	19.35%	18	93
2	Giocomo Caliri	10.00%	1	10
2	Stefan Fober	10.00%	1	10
4	Bindo Maserati	6.90%	2	29
4	Ettore Maserati	6.90%	2	29
6	Morris Nunn	6.06%	2	33
7	Gustav Brunner	4.55%	2	44
8	Maurice Philippe	3.73%	23	616
9	Antonio Tomaini	3.33%	1	30
10	John Barnard	2.88%	3	104
11	Herve Guilpin	2.27%	1	44
12	Geoff Ferris	1.80%	4	222
13	Dave Baldwin	1.65%	2	121
14	Tim Wadrop	1.59%	1	63
15	Peter Berthon	1.56%	1	64
16	Eddie Strait	1.25%	1	80
17	Frank Costin	1.04%	1	96
18	Len Terry	1.01%	2	198
19	Neil Oatley	0.98%	2	205
19	Patrick Head	0.98%	2	205
21	Frank Dernie	0.93%	2	215
22	Aurelio Lampredi	0.91%	4	441
23	Ron Tauranac	0.89%	6	672
24	Dante Giacosa	0.88%	1	113
24	Peter Connew	0.88%	1	113
26	John Surtees	0.86%	3	347
27	Shahab Ahmed	0.83%	1	121
28	John Baldwin	0.79%	1	126
29	Ken Sears	0.72%	1	139
30	Ernesto Maserati	0.68%	2	294
31	Mauro Forghieri	0.67%	4	598
32	Alberto Massimino	0.65%	1	153
33	Colin Chapman	0.65%	12	1848
33	Martin Ogilvie	0.65%	2	308
35	John Gentry	0.65%	1	155
36	Gordon Coppuck	0.60%	3	503
37	David North	0.58%	1	173
38	Am�d�e Gordini	0.52%	2	386
39	Dave Wass	0.51%	2	396
40	Gordon Murray	0.48%	2	420
41	Tony Southgate	0.45%	3	672
42	Robin Herd	0.42%	3	715
43	Peter Wright	0.34%	1	296
44	Harvey Postlethwaite	0.33%	1	305
45	Vittorio Bellentani	0.32%	2	621
46	Ralph Bellamy	0.27%	1	369
47	Owen Maddock	0.18%	2	1106
48	Gioacchino Colombo	0.14%	1	726

Finishing position: