Data from MP SUBS 7 - 1935 Locomotive Diagrams supplied in May 2005 by Allen Stanley from his extensive Rail Data Exchange.
The H&BV bought the rights to the Velasco, Brazos and Northern Railway, which then consisted of 20 miles between Anchor and Velasco. Its 1924 acquisition by the New Orleans, Texas & Mexico was followed a year later by the latter's purchase by the Missouri Pacific. But the H&BV operated as a separate company for several decades more.
This Ten-wheeler boasted a heating surface area that put it in the top quarter of 4-6-0s of the time.
| Principal Dimensions by Steve Llanso of Middle Run Media | |
|---|---|
| Class | TN-60 - 27.8 |
| Locobase ID | 7759 |
| Railroad | Houston & Brazos Valley (NOT&M/MP) |
| Country | USA |
| Whyte | 4-6-0 |
| Number in Class | 1 |
| Road Numbers | 310 |
| Gauge | Std |
| Number Built | 1 |
| Builder | Alco-Richmond |
| Year | 1907 |
| Valve Gear | Walschaert |
| Locomotive Length and Weight | |
| Driver Wheelbase (ft / m) | 13.50 / 4.11 |
| Engine Wheelbase (ft / m) | 24.50 / 7.47 |
| Ratio of driving wheelbase to overall engine wheelbase | 0.55 |
| Overall Wheelbase (engine & tender) (ft / m) | 53.92 / 16.43 |
| Axle Loading (Maximum Weight per Axle) (lbs / kg) | |
| Weight on Drivers (lbs / kg) | 129,000 / 58,513 |
| Engine Weight (lbs / kg) | 170,700 / 77,428 |
| Tender Loaded Weight (lbs / kg) | 98,500 / 44,679 |
| Total Engine and Tender Weight (lbs / kg) | 269,200 / 122,107 |
| Tender Water Capacity (gals / ML) | 5000 / 18.94 |
| Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT) | 1929 / 7301 |
| Minimum weight of rail (calculated) (lb/yd / kg/m) | 72 / 36 |
| Geometry Relating to Tractive Effort | |
| Driver Diameter (in / mm) | 61 / 1549 |
| Boiler Pressure (psi / kPa) | 180 / 1240 |
| High Pressure Cylinders (dia x stroke) (in / mm) | 19" x 28" / 483x711 |
| Tractive Effort (lbs / kg) | 25,353 / 11499.94 |
| Factor of Adhesion (Weight on Drivers/Tractive Effort) | 5.09 |
| Heating Ability | |
| Tubes (number - dia) (in / mm) | 328 - 2" / 51 |
| Flues (number - dia) (in / mm) | |
| Flue/Tube length (ft / m) | 14.16 / 4.32 |
| Firebox Area (sq ft / m2) | 175 / 16.26 |
| Grate Area (sq ft / m2) | 29.20 / 2.71 |
| Evaporative Heating Surface (sq ft / m2) | 2606 / 242.19 |
| Superheating Surface (sq ft / m2) | |
| Combined Heating Surface (sq ft / m2) | 2606 / 242.19 |
| Evaporative Heating Surface/Cylinder Volume | 283.57 |
| Computations Relating to Power Output (More Information) | |
| Robert LeMassena's Power Computation | 5256 |
| Same as above plus superheater percentage | 5256 |
| Same as above but substitute firebox area for grate area | 31,500 |
| Power L1 | 6932 |
| Power MT | 355.41 |