Data from diagram Loc 140, Societe Alsacienne de Constructions Mecaniques from locomotive book supplied by Dany Machi up at [] as
Diagrammes des machines SACM construites a GRAFENSTADEN (October 2007).
This little tank had a Brotan boiler., a doubled-up vessel described in detail in Locobase 1580. Note the firebox heating surface, which supplied a much larger than usual percentage of evaporative heating surface area.
Data from diagram No. 4, Societe Alsacienne de Constructions Mecaniques from locomotive book supplied by Dany Machi up at [] as
Diagrammes des machines SACM construites a GRAFENSTADEN (October 2007).
Small tank with thick frame under the boiler. External tube diameter was 40 mm.
Data from diagram No. 4, Societe Alsacienne de Constructions Mecaniques from locomotive book supplied by Dany Machi up at [] as
Diagrammes des machines SACM construites a GRAFENSTADEN (October 2007).
Small tank with thick frame under the boiler. External tube diameter was 40 mm(1.57")..
| Principal Dimensions by Steve Llanso of Middle Run Media | |||
|---|---|---|---|
| Class | unknown | unknown | unknown |
| Locobase ID | 15579 | 15591 | 21252 |
| Railroad | |||
| Country | |||
| Whyte | 0-4-0T | 0-4-0T | 0-4-0T |
| Number in Class | |||
| Road Numbers | |||
| Gauge | Std | Std | Std |
| Number Built | |||
| Builder | SACM | SACM | SACM |
| Year | |||
| Valve Gear | Stephenson | Stephenson | Stephenson |
| Locomotive Length and Weight | |||
| Driver Wheelbase (ft / m) | 7.22 / 2.20 | 5.25 / 1.60 | 5.25 / 1.60 |
| Engine Wheelbase (ft / m) | 7.22 / 2.20 | 5.25 / 1.60 | 5.25 / 1.60 |
| Ratio of driving wheelbase to overall engine wheelbase | 1 | 1 | 1 |
| Overall Wheelbase (engine & tender) (ft / m) | 7.22 / 2.20 | 5.25 / 1.60 | 5.25 / 1.60 |
| Axle Loading (Maximum Weight per Axle) (lbs / kg) | |||
| Weight on Drivers (lbs / kg) | 48,943 / 22,200 | 33,069 / 15,000 | 33,069 / 15,000 |
| Engine Weight (lbs / kg) | 48,943 / 22,200 | 33,069 / 15,000 | 33,069 / 15,000 |
| Tender Loaded Weight (lbs / kg) | |||
| Total Engine and Tender Weight (lbs / kg) | |||
| Tender Water Capacity (gals / ML) | 607 / 2.30 | 396 / 1.50 | 396 / 1.50 |
| Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT) | 1.10 / 1 | 0.40 | |
| Minimum weight of rail (calculated) (lb/yd / kg/m) | 41 / 20.50 | 28 / 14 | 28 / 14 |
| Geometry Relating to Tractive Effort | |||
| Driver Diameter (in / mm) | 39.40 / 1000 | 33.50 / 850 | 33.50 / 850 |
| Boiler Pressure (psi / kPa) | 169.70 / 1170 | 169.70 / 1170 | 169.70 / 1170 |
| High Pressure Cylinders (dia x stroke) (in / mm) | 11.81" x 18.11" / 300x460 | 10.24" x 12.6" / 260x320 | 10.24" x 12.6" / 260x320 |
| Tractive Effort (lbs / kg) | 9247 / 4194.37 | 5689 / 2580.49 | 5689 / 2580.49 |
| Factor of Adhesion (Weight on Drivers/Tractive Effort) | 5.29 | 5.81 | 5.81 |
| Heating Ability | |||
| Tubes (number - dia) (in / mm) | 116 - 1.614" / 41 | 86 - 1.378" / 35 | 86 - 1.378" / 35 |
| Flues (number - dia) (in / mm) | |||
| Flue/Tube length (ft / m) | 7.32 / 2.23 | 7.38 / 2.25 | 7.38 / 2.25 |
| Firebox Area (sq ft / m2) | 68.35 / 6.35 | 29.60 / 2.75 | 29.60 / 2.75 |
| Grate Area (sq ft / m2) | 10.12 / 0.94 | 6.14 / 0.57 | 6.14 / 0.57 |
| Evaporative Heating Surface (sq ft / m2) | 427 / 39.65 | 271 / 25.20 | 271 / 25.20 |
| Superheating Surface (sq ft / m2) | |||
| Combined Heating Surface (sq ft / m2) | 427 / 39.65 | 271 / 25.20 | 271 / 25.20 |
| Evaporative Heating Surface/Cylinder Volume | 185.97 | 225.64 | 225.64 |
| Computations Relating to Power Output (More Information) | |||
| Robert LeMassena's Power Computation | 1717 | 1042 | 1042 |
| Same as above plus superheater percentage | 1717 | 1042 | 1042 |
| Same as above but substitute firebox area for grate area | 11,599 | 5023 | 5023 |
| Power L1 | 3731 | 3306 | 3306 |
| Power MT | 336.12 | 440.80 | 440.80 |