Issue link: http://www.e-digitaleditions.com/i/206043
Engineering Class Chains Chain Pitch Conversions Prod. Ch a i n P i t c h 4 . 2 5 0" - 24.000" C o nverted to Feet N o. of 4.250 Pitc h es 1 0.354 2 0.708 4.500 4.760 5.000 5.500 6.000 6.050 7.000 8.000 9.000 12.000 18.000 24.000 0 . 3 75 0 .3 9 7 0 .4 1 7 0 .4 5 8 0.500 0.504 0.583 0.667 0.750 1.000 1.500 2. 000 0 . 7 50 0 .7 9 3 0 .8 3 3 0 .9 1 7 1.000 1.008 1.167 1.333 1.500 2.000 3.000 4. 000 3 1. 0 6 3 1.1 25 1.1 9 0 1.2 5 0 1.3 7 5 1.500 1.513 1.750 2.000 2.250 3.000 4.500 6. 000 4 1. 4 1 7 1. 5 0 0 1.5 8 7 1.6 6 7 1.8 3 3 2.000 2.017 2.333 2.667 3.000 4.000 6.000 8. 000 5 1. 7 7 1 1. 8 7 5 1.9 8 3 2 .0 8 3 2 .2 9 2 2.500 2.521 2.917 3.333 3.750 5.000 7.500 10. 000 6 2 .1 2 5 2.250 2 .3 8 0 2 .5 0 0 2 .7 5 0 3.000 3.025 3.500 4.000 4.500 6.000 9.000 12. 000 7 2.479 2.625 2 .7 7 7 2 .9 1 7 3 .2 0 8 3.500 3.529 4.083 4.667 5.250 7.000 10.500 14. 000 8 2.833 3.000 3 .1 7 3 3 .3 3 3 3 .6 6 7 4.000 4.033 4.667 5.333 6.000 8.000 12.000 16. 000 9 3 .1 8 8 3.375 3 .5 7 0 3 .7 5 0 4 .1 2 5 4.500 4.538 5.250 6.000 6.750 9.000 13.500 18. 000 10 3.542 3.750 3 .9 6 7 4 .1 6 7 4 .5 8 3 5.000 5.042 5.833 6.667 7.500 11 3.896 4 .1 2 5 4 .3 6 3 4 .5 8 3 5 .0 4 2 5.500 5.546 6.417 7.333 8.250 11.000 16.500 22. 000 12 4.250 4.500 4 .7 6 0 5 .0 0 0 5 .5 0 0 6.000 6.050 7.000 8.000 9.000 12.000 18.000 24. 000 13 4.604 4.875 5 .1 5 7 5 .4 1 7 5 .9 5 8 6.500 6.554 7.583 8.667 9.750 13.000 19.500 26. 000 14 4.958 5.250 5 .5 5 3 5 .8 3 3 6 .4 1 7 7.000 7.058 8.167 15 5.313 5.625 5 .9 5 0 6 .2 5 0 6 .8 7 5 7.500 7.563 8.750 16 5.667 6.000 6 .3 4 7 6 .6 6 7 7.3 3 3 8.000 8.067 9.333 17 6.021 6.375 6 .7 4 3 7.0 8 3 7.7 9 2 18 6.375 6.750 7.1 4 0 7.5 0 0 8 .2 5 0 19 6.729 7.1 2 5 7.5 3 7 7.9 1 7 8 .7 0 8 20 7. 0 8 3 7. 5 0 0 7.9 3 3 8 .3 3 3 9 .1 6 7 21 7. 4 3 8 7. 8 7 5 8 .3 3 0 8 .7 5 0 9 .6 2 5 22 7. 7 9 2 8.250 8 .7 2 7 23 8 .1 4 6 8.625 9 .1 2 3 24 8.500 9.000 9 .5 2 0 25 8.854 9.375 26 9.208 27 9.563 28 9.917 29 30 31 32 33 34 35 36 37 38 39 40 112 10.000 15.000 20. 000 10.500 14.000 21.000 28. 000 10.000 11.250 15.000 22.500 30. 000 10.667 12.000 16.000 24.000 32. 000 9.333 9.917 11.333 12.750 17.000 25.500 34. 000 10.500 12.000 13.500 18.000 27.000 36. 000 9.500 9.579 11.083 12.667 14.250 19.000 28.500 38. 000 10.000 10.083 11.667 13.333 15.000 20.000 30.000 40. 000 10.500 10.588 12.250 14.000 15.750 21.000 31.500 42. 000 8.500 8.571 9.000 9.075 1 0 .0 8 3 11.000 11.092 12.833 14.667 16.500 22.000 33.000 44. 000 9 .5 8 3 1 0 .5 4 2 11.500 11.596 13.417 15.333 17.250 23.000 34.500 46. 000 1 0 .0 0 0 1 1.0 0 0 12.000 12.100 14.000 16.000 18.000 24.000 36.000 48. 000 9 .1 6 7 9 .9 1 7 1 0 .4 1 7 1 1.4 5 8 12.500 12.604 14.583 16.667 1 0 .3 1 3 1 0 .8 3 3 1 1.9 1 7 13.000 13.108 15.167 17.333 1 0 .1 25 1 0 .7 1 0 1 1.2 5 0 1 2 .3 7 5 13.500 13.613 15.750 18.000 1 0 . 5 0 0 1 1.1 0 7 1 1.6 6 7 1 2 .8 3 3 14.000 14.117 16.333 18.667 9.750 1 0 . 2 7 1 1 0 . 8 7 5 1 1.5 0 3 1 2 .0 8 3 1 3 .2 9 2 14.500 14.621 16.917 1 0 . 6 2 5 1 1. 2 50 1 1.9 0 0 1 2 .5 0 0 1 3 .7 5 0 15.000 15.125 17.500 1 0 . 9 7 9 1 1. 6 25 1 2 .2 9 7 1 2 .9 1 7 1 4 .2 0 8 15.500 15.629 18.083 1 1. 3 3 3 1 2 . 0 0 0 1 2 .6 9 3 1 3 .3 3 3 1 4 .6 6 7 16.000 16.133 18.667 18.750 25.000 37.500 50. 000 19.500 26.000 39.000 52. 000 20.250 27.000 40.500 54. 000 21.000 28.000 42.000 56. 000 19.333 21.750 29.000 43.500 58. 000 20.000 22.500 30.000 45.000 60. 000 20.667 23.250 31.000 46.500 62. 000 21.333 24.000 32.000 48.000 64. 000 1 1. 6 8 8 1 2 . 3 7 5 1 3 .0 9 0 1 2 . 0 4 2 1 2 . 7 5 0 1 3 .4 8 7 1 2 . 3 9 6 1 3 .1 25 1 3 .8 8 3 1 2 . 7 5 0 1 3 . 5 0 0 1 4 .2 8 0 1 3 .7 5 0 1 5 .1 2 5 16.500 16.638 19.250 22.000 24.750 33.000 1 4 .1 6 7 1 5 .5 8 3 17.000 17.142 19.833 22.667 25.500 34.000 1 4 .5 8 3 1 6 .0 4 2 17.500 17.646 20.417 23.333 26.250 35.000 1 5 .0 0 0 1 6 .5 0 0 18.000 18.150 21.000 24.000 27.000 36.000 49.500 66. 000 1 3 .1 0 4 1 3 . 8 7 5 1 4 .6 7 7 1 3 . 4 5 8 1 4 . 2 5 0 1 5 .0 7 3 1 3 . 8 1 3 1 4 . 6 2 5 1 5 .4 7 0 1 4 .1 6 7 1 5 . 0 0 0 1 5 .8 6 7 1 5 .4 1 7 1 6 .9 5 8 18.500 18.654 21.583 24.667 27.750 37.000 1 5 .8 3 3 1 7.4 1 7 19.000 19.158 22.167 25.333 28.500 38.000 1 6 .2 5 0 1 7.8 7 5 19.500 19.663 22.750 26.000 29.250 39.000 1 6 .6 6 7 1 8 .3 3 3 20.000 20.167 23.333 26.667 30.000 40.000 55.500 74. 000 51.000 68. 000 52.500 70. 000 54.000 72. 000 57.000 76. 000 58.500 78. 000 60.000 80. 000