Prairie that served the Maui port of Kahului, transporting construction materials inland and pineapples and sugar cane portward. Relatively large oil-burner with straight stack.
A transportation sales website -- http://www.trains-trams-trolleys.com/equipment/small/3017/ (visited 30 Dec 2002) tells us that the locomotive operated for almost 40 years and is said to have been the last steam locomotive operated commercially in Hawaii (in 1966).
After its retirement, the 12 was sold to John Houghton of San Leandro, Calif, who in turn sold it to Chamas, NM-based Scenic Railways. In 1982, the engine was sold again to Midwest Central Railroad, a 1 1/4-mile circle aroung McMillan Park in Mt Pleasant, Iowa. Purchased later by the Silverwood Theme Park in Athol, Idaho and rebuilt in 1988, the locomotive was available for sale in 2002 for $250,000.
12 ultimately wound up on the Georgetown Loop Railroad in Colorado and was rebuilt again to come into compliance with FRA regulations in 2008.
Additional information tells us that stamps issued by this railroad are a collector's item. Many websites talk about the various stamp issues, examples of the only stamps to have been issued by a railroad.
| Specifications | |
|---|---|
| Class | 12 |
| Locobase ID | 4417 |
| Railroad | Kahului Railroad |
| Whyte | 2-6-2 |
| Road Numbers | 12 |
| Gauge | 3' |
| Builder | Baldwin |
| Year | 1929 |
| Valve Gear | Walschaert |
| Locomotive Length and Weight | |
| Driver Wheelbase | 8' |
| Engine Wheelbase | 23.17' |
| Ratio of driving wheelbase to overall engine wheebase | 0.35 |
| Overall Wheelbase (engine & tender) | |
| Axle Loading (Maximum Weight per Axle) | |
| Weight on Drivers | 60200 lbs |
| Engine Weight | 81800 lbs |
| Tender Light Weight | 49057 lbs |
| Total Engine and Tender Weight | 130857 lbs |
| Tender Water Capacity | |
| Tender Fuel Capacity (oil/coal) | |
| Minimum weight per yard of rail on which locomotive could run | 33 lb rail |
| Geometry Relating to Tractive Effort | |
| Driver Diameter | 40" |
| Boiler Pressure | 185 psi |
| Cylinders (dia x stroke) | 14" x 20" |
| Tractive Effort | 15411 lbs |
| Factor of Adhesion (Weight on Drivers/Tractive Effort) | 3.91 |
| Heating Ability | |
| Firebox Area | |
| Grate Area | 17.10 sq. ft |
| Evaporative Heating Surface | 1069 |
| Superheating Surface | |
| Combined Heating Surface | 1069 |
| Evaporative Heating Surface/Cylinder Volume | 300.00 |
| Computations Relating to Power Output (More Information) | |
| Robert LeMassena's Power Computation | 3164 |
| Same as above plus superheater percentage | 3164 |
| Same as above but substitute firebox area for grate area | 0 |
| Power L1 | 0 |
| Power MT | 0 |
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