Irwin Car and Equipment
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Locomotive Tractive Effort Chart
Wt. Locomotive in tons | 1 1/2 | 2 | 2 1/2 | 3 | 3 1/2 | 4 | 4 1/2 | 5 | 6 | 8 | 10 | 15 | 20 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
T.E. LBS. | 750 | 1000 | 1250 | 1500 | 1750 | 2000 | 2250 | 2500 | 3000 | 4000 | 5000 | 7500 | 10000 |
Grade | |||||||||||||
0% Gross Train Load | 25 | 33.3 | 51.6 | 50 | 58.3 | 66.6 | 75 | 83.3 | 100 | 133 | 167 | 250.5 | 330 |
0% Trailing Load | 23.5 | 31.3 | 49.1 | 47 | 54.8 | 62.6 | 70.5 | 78.3 | 94 | 125 | 157 | 235.5 | 310 |
1% Gross Train Load | 15 | 20 | 25 | 30 | 35 | 40 | 45 | 50 | 60 | 80 | 100 | 150 | 200 |
1% Trailing Load | 13.5 | 18 | 22.5 | 27 | 31.5 | 36 | 40.5 | 45 | 54 | 72 | 90 | 135 | 180 |
2% Gross Train Load | 10.7 | 14.3 | 17.9 | 21.4 | 25 | 28.6 | 32.1 | 35.7 | 42.8 | 57.1 | 71.4 | 107 | 142.8 |
2% Trailing Load | 9.2 | 12.3 | 15.4 | 18.4 | 21.5 | 24.6 | 27.6 | 30.7 | 36.8 | 49.1 | 61.4 | 92 | 122.8 |
3% Gross Train Load | 8.3 | 11.1 | 13.9 | 16.7 | 19.5 | 22.2 | 25 | 27.8 | 33.3 | 44.4 | 55.5 | 83.3 | 111 |
3% Trailing Load | 6.8 | 9.1 | 11.4 | 13.7 | 16 | 18.2 | 20.5 | 22.8 | 27.3 | 36.4 | 45.5 | 68.3 | 91 |
4% Gross Train Load | 6.8 | 9.1 | 11.4 | 13.7 | 16 | 18.2 | 20.5 | 22.8 | 27.3 | 36.4 | 45.5 | 68.3 | 91 |
4% Trailing Load | 5.3 | 7.1 | 8.9 | 10.6 | 12.4 | 14.2 | 16 | 17.7 | 21.3 | 28.4 | 35.5 | 53.3 | 71 |
5% Gross Train Load | 5.7 | 7.7 | 9.6 | 11.5 | 13.5 | 15.4 | 17.3 | 19.2 | 23.1 | 30.8 | 38.5 | 57.7 | 77 |
5% Trailing Load | 4.2 | 5.7 | 7.1 | 8.5 | 10 | 11.4 | 12.8 | 14.2 | 17.1 | 22.8 | 28.5 | 42.7 | 57 |
6% Gross Train Load | 5 | 6.6 | 8.3 | 10 | 11.6 | 13.3 | 15 | 16.6 | 20 | 26.6 | 33.3 | 49.9 | 66.5 |
6% Trailing Load | 3.5 | 4.6 | 5.8 | 7 | 8.1 | 9.3 | 10.5 | 11.6 | 14 | 18.6 | 23.3 | 34.9 | 46.5 |
7% Gross Train Load | 4.4 | 5.9 | 7.3 | 8.8 | 10.3 | 11.7 | 13.2 | 14.7 | 17.6 | 23.5 | 29.4 | 44 | 58.8 |
7% Trailing Load | 2.9 | 3.9 | 4.8 | 5.8 | 6.7 | 7.7 | 8.7 | 9.7 | 11.6 | 15.5 | 19.4 | 29 | 38.3 |
8% Gross Train Load | 4 | 5.2 | 6.6 | 7.9 | 9.2 | 10.5 | 11.8 | 13.1 | 15.8 | 21 | 26.3 | 39.5 | 52.5 |
8% Trailing Load | 2.5 | 3.2 | 4.1 | 4.9 | 5.7 | 6.5 | 7.3 | 8.1 | 9.8 | 13 | 16.3 | 24.5 | 32.5 |
9% Gross Train Load | 3.6 | 4.8 | 6 | 7.1 | 8.3 | 9.5 | 10.7 | 11.9 | 14.3 | 19 | 23.8 | 35.7 | 47.5 |
9% Trailing Load | 2.1 | 2.8 | 3.5 | 4.1 | 4.8 | 5.5 | 6.2 | 6.9 | 8.3 | 11 | 13.8 | 20.7 | 27.5 |
10% Gross Train Load | 3.2 | 4.3 | 5.4 | 6.5 | 7.6 | 8.7 | 9.8 | 10.9 | 13 | 17.4 | 21.7 | 32.6 | 43.4 |
10% Trailing Load | 1.7 | 2.3 | 2.9 | 3.5 | 4.1 | 4.7 | 5.3 | 5.9 | 7 | 9.4 | 11.7 | 17.6 | 23.4 |