We sell Performance not apparel

prong built
42 Easton Rd.
Brantford, ON N3P1J5
Canada
ph: 519 757 0979
prongbuilt@bellnet.ca

Bits from the Pits

Links

Grandbend motorplex

St. Thomas dragway

Some useful info for the racer

			Sprocket Ratio Calculator

Rear	Front Sprocket
Sprocket	12	13	14	15	16	17	18
32	2.67	2.46	2.28	2.13	2	1.88	1.78
33	2.75	2.54	2.36	2.2	2.06	1.94	1.83
34	2.83	2.62	2.43	2.27	2.13	2	1.89
35	2.92	2.69	2.5	2.33	2.19	2.06	1.95
36	3	2.77	2.57	2.4	2.25	2.12	2
37	3.08	2.85	2.64	2.47	2.31	2.18	2.06
38	3.17	2.92	2.71	2.53	2.38	2.24	2.11
39	3.25	3	2.79	2.6	2.44	2.29	2.17
40	3.33	3.08	2.86	2.67	2.5	2.35	2.22
41	3.42	3.15	2.93	2.73	2.56	2.41	2.28
42	3.5	3.23	3	2.8	2.63	2.47	2.34
43	3.58	3.31	3.07	2.87	2.69	2.53	2.39
44	3.67	3.38	3.14	2.93	2.75	2.59	2.44
45	3.75	3.46	3.21	3	2.81	2.65	2.5
46	3.83	3.54	3.29	3.07	2.88	2.71	2.56
47	3.92	3.62	3.36	3.13	2.94	2.76	2.61
48	4	3.69	3.43	3.2	3	2.82	2.67
49	4.08	3.77	3.5	3.27	3.06	2.88	2.72
50	4.17	3.85	3.57	3.33	3.13	2.94	2.77
51	4.25	3.92	3.64	3.4	3.19	3	2.83
52	4.33	4	3.71	3.47	3.25	3.06	2.89

Estimating g-force and mph for 60 ft times

E.T.	G FORCE	MPH
1.2	2.59	68.18
1.21	2.55	67.62
1.22	2.5	67.06
1.23	2.46	66.52
1.24	2.42	65.98
1.25	2.39	65.45
1.26	2.35	64.94
1.27	2.31	64.42
1.28	2.27	63.92
1.29	2.24	63.42
1.3	2.21	62.64
1.31	2.17	62.46
1.32	2.14	61.98
1.33	2.11	61.52
1.34	2.08	61.06
1.35	2.04	60.61
1.36	2.01	60.16
1.37	1.99	59.52
1.38	1.96	59.2
1.39	1.93	58.86
1.4	1.9	58.44
1.41	1.87	58.03
1.42	1.85	57.62
1.43	1.82	57.22
1.44	1.8	56.82
1.45	1.77	56.43
1.46	1.75	56.04
1.47	1.72	55.66
1.48	1.7	55.28
1.49	1.68	54.91
1.5	1.66	54.55

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prong built
42 Easton Rd.
Brantford, ON N3P1J5
Canada
ph: 519 757 0979
prongbuilt@bellnet.ca