Time Factors for Speed Differentials
Miles per hour = (Gear Development in feet) X (Revolutions per minute) X 0.0114
GD = (MPH x 88) divided by rpm
Time to close gap = Gap in seconds X speed differential factor
Time gained in an attack = attack time in seconds divided by speed-differential factor
	Speed Differentials
	Constant speed (mph)	1 mph (sec)	2 mph (sec)	3 mph (sec)	4 mph (sec)	5 mph (sec)
	12	12	6	4	3
	14	14	7	4.7	3.5
	16	16	8	5.3	4
	18	18	9	6	4.5
	20	20	10	6.7	5
	22	22	11	7.3	5.5
	24	24	13	8	6
	26	26	13	8.7	6.5
	28	28	14	9.3	7
	30	30	15	10	7.5
	32	32	16	10.7	8
	34	34	17	11.3	8.5