Disqualification Ratio

until 1984 Belgian 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	Stefan Fober	33.33%	1	3
2	Giocomo Caliri	10.00%	1	10
3	Brian Lisles	8.86%	7	79
4	Bindo Maserati	6.90%	2	29
4	Ettore Maserati	6.90%	2	29
6	Morris Nunn	6.06%	2	33
7	Gustav Brunner	5.41%	2	37
8	John Barnard	3.33%	3	90
8	Antonio Tomaini	3.33%	1	30
10	Herve Guilpin	2.27%	1	44
11	Maurice Philippe	1.99%	12	602
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	Neil Oatley	1.05%	2	191
17	Patrick Head	1.05%	2	191
19	Frank Costin	1.04%	1	96
20	Len Terry	1.01%	2	198
21	Frank Dernie	1.00%	2	201
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	John Gentry	0.71%	1	141
31	Mauro Forghieri	0.68%	4	584
32	Ernesto Maserati	0.68%	2	294
32	Martin Ogilvie	0.68%	2	294
34	Alberto Massimino	0.65%	1	153
35	Colin Chapman	0.65%	12	1848
36	David North	0.63%	1	159
37	Gordon Coppuck	0.60%	3	496
38	Dave Wass	0.52%	2	382
39	Am�d�e Gordini	0.52%	2	386
40	Gordon Murray	0.49%	2	406
41	Tony Southgate	0.45%	3	671
42	Robin Herd	0.42%	3	715
43	Harvey Postlethwaite	0.34%	1	291
44	Peter Wright	0.34%	1	296
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: