Data from "New Engines for Indian Rys," The Locomotive Magazine, Vol VIII (14 Feb 1903), p. 119.
Locobase doesn't know how many of these bogie-radial tanks went into service, but the photo showed a long-striding profile.
Data from "Railway Notes - Eastern Bengal Ry," The Locomotive Magazine, Vol XV (15 July 1909), p. 126.
This was Kitson's bite of the BESA Atlantic apple.
| Principal Dimensions by Steve Llanso of Middle Run Media | ||
|---|---|---|
| Class | 133 | 254 |
| Locobase ID | 10276 | 10721 |
| Railroad | Eastern Bengal | Eastern Bengal |
| Country | India | India |
| Whyte | 4-4-2T | 4-4-2 |
| Number in Class | 7 | |
| Road Numbers | 254-260 | |
| Gauge | 5'6" | 5'6" |
| Number Built | 7 | |
| Builder | Neilson, Reid | Kitson & Co |
| Year | 1902 | 1908 |
| Valve Gear | Stephenson | Stephenson |
| Locomotive Length and Weight | ||
| Driver Wheelbase (ft / m) | 9 / 2.74 | |
| Engine Wheelbase (ft / m) | 29.75 / 9.07 | |
| Ratio of driving wheelbase to overall engine wheelbase | 0.30 | |
| Overall Wheelbase (engine & tender) (ft / m) | 29.75 / 9.07 | |
| Axle Loading (Maximum Weight per Axle) (lbs / kg) | 33,264 / 15,088 | |
| Weight on Drivers (lbs / kg) | 66,080 / 29,973 | |
| Engine Weight (lbs / kg) | 133,616 / 60,607 | |
| Tender Loaded Weight (lbs / kg) | ||
| Total Engine and Tender Weight (lbs / kg) | ||
| Tender Water Capacity (gals / ML) | 3000 / 11.36 | 4800 / 18.18 |
| Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT) | ||
| Minimum weight of rail (calculated) (lb/yd / kg/m) | 55 / 27.50 | |
| Geometry Relating to Tractive Effort | ||
| Driver Diameter (in / mm) | 67.50 / 1715 | 78 / 1981 |
| Boiler Pressure (psi / kPa) | 160 / 1100 | 180 / 1240 |
| High Pressure Cylinders (dia x stroke) (in / mm) | 17.5" x 24" / 445x610 | 19" x 26" / 483x660 |
| Tractive Effort (lbs / kg) | 14,809 / 6717.26 | 18,411 / 8351.10 |
| Factor of Adhesion (Weight on Drivers/Tractive Effort) | 4.46 | |
| Heating Ability | ||
| Tubes (number - dia) (in / mm) | 222 - 1.75" / 44 | 196 - 1.563" / 40 |
| Flues (number - dia) (in / mm) | ||
| Flue/Tube length (ft / m) | ||
| Firebox Area (sq ft / m2) | 124.49 / 11.57 | 157 / 14.59 |
| Grate Area (sq ft / m2) | 22.30 / 2.07 | 32 / 2.97 |
| Evaporative Heating Surface (sq ft / m2) | 1282 / 119.14 | 1990 / 184.94 |
| Superheating Surface (sq ft / m2) | ||
| Combined Heating Surface (sq ft / m2) | 1282 / 119.14 | 1990 / 184.94 |
| Evaporative Heating Surface/Cylinder Volume | 191.88 | 233.24 |
| Computations Relating to Power Output (More Information) | ||
| Robert LeMassena's Power Computation | 3568 | 5760 |
| Same as above plus superheater percentage | 3568 | 5760 |
| Same as above but substitute firebox area for grate area | 19,918 | 28,260 |
| Power L1 | 5131 | 7611 |
| Power MT | 342.37 | |