# Equivalence Ratio, Critical Energy (g tetryl), Critical Energy (J) 0.5, 31.45, 142154 0.6, 8.25, 37290 0.7, 3.225, 14577 0.75, 2.28, 10305.6 0.8, 1.675, 7571 0.9, 1.15, 5198 0.95, 1.02, 4610.4 1.0, 0.95, 4294 1.05, 0.94, 4248.8 1.1, 0.95, 4294 1.15, 0.985, 4452.2 1.2, 1.05, 4746 1.3, 1.22, 5514.4 1.35, 1.345, 6079.4 1.4, 1.51, 6825.2 1.45, 1.69, 7638.8 1.55, 2.125, 9605 1.6, 2.34, 10576.8 1.7, 3.075, 13899 1.8, 3.965, 17921.8 1.9, 4.985, 22532.2 2.0, 6.49, 29334.8 2.25, 12.15, 54918 2.50, 23.25, 105090 3.1, 100.7, 455164