Riom a Volvie 0-6-0 Locomotives in France
Class Details by Steve Llanso of Sweat House Media
Class unknown (Locobase 7431)
Data from Titre Exposition universelle internationale de 1889 a Paris. Rapports du jury internationale. Auteur - Volume France. Ministere du Commerce, de l'industrie. Picard, Alfred, ed. Volume Groupe VI - -Outillage et precedes des industries mecaniques. Electricite (5e partie) Classes 60 a 63. Rapport sur le materiel des chemins de fer. p. 304 ([
] (accessed 1 September 2005).
The Jury report notes that the line for which this design was produced was steep and winding with maximum grades of 3.5% and 100 m minimum-radius curves. The valve gear was unusual in its two eccentrics and a counter-crank forged as part of the crank arm on the driving axle.
| Principal Dimensions by Steve Llanso of Middle Run Media | |
|---|---|
| Class | unknown |
| Locobase ID | 7431 |
| Railroad | Riom a Volvie |
| Country | France |
| Whyte | 0-6-0T |
| Number in Class | |
| Road Numbers | |
| Gauge | Metre |
| Number Built | |
| Builder | Batignolles |
| Year | 1889 |
| Valve Gear | Rectilinear |
| Locomotive Length and Weight | |
| Driver Wheelbase (ft / m) | 8.73 / 2.66 |
| Engine Wheelbase (ft / m) | 8.73 / 2.66 |
| Ratio of driving wheelbase to overall engine wheelbase | 1 |
| Overall Wheelbase (engine & tender) (ft / m) | 8.73 / 2.66 |
| Axle Loading (Maximum Weight per Axle) (lbs / kg) | |
| Weight on Drivers (lbs / kg) | 52,580 / 23,850 |
| Engine Weight (lbs / kg) | 52,580 / 23,850 |
| Tender Loaded Weight (lbs / kg) | |
| Total Engine and Tender Weight (lbs / kg) | 52,580 / 23,850 |
| Tender Water Capacity (gals / ML) | 792 / 3 |
| Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT) | 1.10 / 1 |
| Minimum weight of rail (calculated) (lb/yd / kg/m) | 29 / 14.50 |
| Geometry Relating to Tractive Effort | |
| Driver Diameter (in / mm) | 39.80 / 1010 |
| Boiler Pressure (psi / kPa) | 145 / 1000 |
| High Pressure Cylinders (dia x stroke) (in / mm) | 13.78" x 17.72" / 350x450 |
| Tractive Effort (lbs / kg) | 10,420 / 4726.44 |
| Factor of Adhesion (Weight on Drivers/Tractive Effort) | 5.05 |
| Heating Ability | |
| Tubes (number - dia) (in / mm) | 78 - 1.969" / 50 |
| Flues (number - dia) (in / mm) | |
| Flue/Tube length (ft / m) | 12.14 / 3.70 |
| Firebox Area (sq ft / m2) | 39.06 / 3.63 |
| Grate Area (sq ft / m2) | 7.64 / 0.71 |
| Evaporative Heating Surface (sq ft / m2) | 527 / 48.94 |
| Superheating Surface (sq ft / m2) | |
| Combined Heating Surface (sq ft / m2) | 527 / 48.94 |
| Evaporative Heating Surface/Cylinder Volume | 172.29 |
| Computations Relating to Power Output (More Information) | |
| Robert LeMassena's Power Computation | 1108 |
| Same as above plus superheater percentage | 1108 |
| Same as above but substitute firebox area for grate area | 5664 |
| Power L1 | 2271 |
| Power MT | 285.66 |