| Maricopa Live Steamers | ||||||||||||
| Speed Calculations for Adobe Western Railroad | ||||||||||||
| MPH | Sec/Mile | Sec/MLS MP | Scale MPH | Driver RPM to achieve the speed | ||||||||
| 1.5" scale | 2.5" scale | 4 | 5 | 6 | 7 | 8 | 9 | 10 | ||||
| 1 | 3600 | 112.5 | 8 | 4.8 | 69.115 | 55.292 | 46.077 | 39.494 | 34.558 | 30.718 | 27.646 | |
| 2 | 1800 | 56.3 | 16 | 9.6 | 138.230 | 110.584 | 92.153 | 78.989 | 69.115 | 61.436 | 55.292 | |
| 3 | 1200 | 37.5 | 24 | 14.4 | 207.345 | 165.876 | 138.230 | 118.483 | 103.673 | 92.153 | 82.938 | |
| 4 | 900 | 28.1 | 32 | 19.2 | 276.460 | 221.168 | 184.307 | 157.977 | 138.230 | 122.871 | 110.584 | |
| 5 | 720 | 22.5 | 40 | 24 | 345.575 | 276.460 | 230.383 | 197.472 | 172.788 | 153.589 | 138.230 | |
| 6 | 600 | 18.8 | 48 | 28.8 | 414.690 | 331.752 | 276.460 | 236.966 | 207.345 | 184.307 | 165.876 | |
| 7 | 514.3 | 16.1 | 56 | 33.6 | 483.805 | 387.044 | 322.537 | 276.460 | 241.903 | 215.025 | 193.522 | |
| 8 | 450 | 14.1 | 64 | 38.4 | 552.920 | 442.336 | 368.614 | 315.954 | 276.460 | 245.742 | 221.168 | |
| 9 | 400 | 12.5 | 72 | 43.2 | 622.035 | 497.628 | 414.690 | 355.449 | 311.018 | 276.460 | 248.814 | |
| 10 | 360 | 11.3 | 80 | 48 | 691.150 | 552.920 | 460.767 | 394.943 | 345.575 | 307.178 | 276.460 | |
| 11 | 327.3 | 10.2 | 88 | 52.8 | 760.265 | 608.212 | 506.844 | 434.437 | 380.133 | 337.896 | 304.106 | |
| 12 | 300 | 9.4 | 96 | 57.6 | 829.380 | 663.504 | 552.920 | 473.932 | 414.690 | 368.614 | 331.752 | |
| NOTE: Adobe Western Railroad Timetable #14 (Effective October 18, 2008, 00:01) states that mile posts are 1/4 of a scale mile or 160 feet apart. | ||||||||||||
| However, this table is based on: 5280' / 8 = 660 / 4 = 165'. | ||||||||||||
| Prepared by John M Lovely, 12/11/2008 | ||||||||||||
updated December 12, 2008
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