Data from IC 1911 locomotive data tables supplied in May 2005 by Allen Stanley from his extensive Rail Data Exchange. See also E E R Tratman, "Tank Locomotives", Official Proceedings of the Western Railway Club (Chicago: W F Hall Printing Company, 1903), pp. 342 et seq. Works numbers were 3183, 3199, 3196 in January 1883, 3202-3203 in February, 3208 in March
These Forneys were the first of a large fleet of several arrangements that pulled short-haul commuter traffic in the Chicago area. The 1402 had a slightly larger grate that measured 13.2 sq ft. (1.23 sq m) in area. That was the prototype for a larger batch described in Locobase 6982.
Like most of the others, these tanks were rated by the IC at 70,000 miles between general repairs. That number means a bit more if we can establish how many daily miles such high-intensity service might have racked up.
Data from IC 1913ca locomotive diagrams supplied in May 2005 by Allen Stanley from his extensive Rail Data Exchange. See also E E R Tratman, "Tank Locomotives", Official Proceedings of the Western Railway Club (Chicago: W F Hall Printing Company, 1903), pp. 342 et seq.
This was the Forney design that pulled short-haul commuter traffic in the Chicago area. The first two delivered in 1885 as 223-224. In 1887-1890, the shops added 56-60, 62-63, and 76. The class was renumbered in 1890 as 209-218 and renumbered later by adding 1200 to each number.
Data from IC 1911 locomotive data tables supplied in May 2005 by Allen Stanley from his extensive Rail Data Exchange. See also E E R Tratman, "Tank Locomotives", Official Proceedings of the Western Railway Club (Chicago: W F Hall Printing Company, 1903), pp. 342 et seq.
These Forneys were the first of a large fleet of several arrangements that pulled short-haul commuter traffic in the Chicago area.
Principal Dimensions by Steve Llanso of Middle Run Media | |||
---|---|---|---|
Class | 221/225 | 223/1409 | 225 / 1403 |
Locobase ID | 6981 | 6948 | 6982 |
Railroad | Illinois Central (IC) | Illinois Central (IC) | Illinois Central (IC) |
Country | USA | USA | USA |
Whyte | 2-4-4T | 2-4-4T | 2-4-4T |
Number in Class | 6 | 12 | 6 |
Road Numbers | 221, 225-230/203-208/1401-1406 | 223-224 / 1409-1421 | 225-230 / 1403-1408 |
Gauge | Std | Std | Std |
Number Built | 6 | 12 | 6 |
Builder | Rogers | IC | Rogers |
Year | 1883 | 1885 | 1883 |
Valve Gear | Stephenson | Stephenson | Stephenson |
Locomotive Length and Weight | |||
Driver Wheelbase (ft / m) | 7 / 2.13 | 7 / 2.13 | 7 / 2.13 |
Engine Wheelbase (ft / m) | 29.67 / 9.04 | 31.87 / 9.71 | 31.67 / 9.65 |
Ratio of driving wheelbase to overall engine wheelbase | 0.24 | 0.22 | 0.22 |
Overall Wheelbase (engine & tender) (ft / m) | 29.67 / 9.04 | 31.87 / 9.71 | 31.67 / 9.65 |
Axle Loading (Maximum Weight per Axle) (lbs / kg) | |||
Weight on Drivers (lbs / kg) | 49,000 / 22,226 | 56,100 / 25,447 | 56,000 / 25,401 |
Engine Weight (lbs / kg) | 107,600 / 48,807 | 117,200 / 53,161 | 117,000 / 53,070 |
Tender Loaded Weight (lbs / kg) | |||
Total Engine and Tender Weight (lbs / kg) | 107,600 | 117,200 | 117,000 |
Tender Water Capacity (gals / ML) | 1550 / 5.87 | 1500 / 5.68 | 1550 / 5.87 |
Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT) | 3.50 / 3 | 2 / 2 | 3.50 / 3 |
Minimum weight of rail (calculated) (lb/yd / kg/m) | 41 / 20.50 | 47 / 23.50 | 47 / 23.50 |
Geometry Relating to Tractive Effort | |||
Driver Diameter (in / mm) | 56.50 / 1435 | 56.50 / 1435 | 56.50 / 1435 |
Boiler Pressure (psi / kPa) | 140 / 970 | 140 / 970 | 140 / 970 |
High Pressure Cylinders (dia x stroke) (in / mm) | 16" x 22" / 406x559 | 16" x 22" / 406x560 | 16" x 22" / 406x560 |
Tractive Effort (lbs / kg) | 11,862 / 5380.52 | 11,862 / 5380.52 | 11,862 / 5380.52 |
Factor of Adhesion (Weight on Drivers/Tractive Effort) | 4.13 | 4.73 | 4.72 |
Heating Ability | |||
Tubes (number - dia) (in / mm) | 146 - 2" / 51 | 159 - 2" / 51 | 154 - 2" / 51 |
Flues (number - dia) (in / mm) | |||
Flue/Tube length (ft / m) | 10.92 / 3.33 | 11.02 / 3.36 | 11 / 3.35 |
Firebox Area (sq ft / m2) | 98 / 9.10 | 90.37 / 8.40 | 89.90 / 8.36 |
Grate Area (sq ft / m2) | 12.70 / 1.18 | 14 / 1.30 | 13.20 / 1.23 |
Evaporative Heating Surface (sq ft / m2) | 918 / 85.28 | 976 / 90.71 | 977 / 90.80 |
Superheating Surface (sq ft / m2) | |||
Combined Heating Surface (sq ft / m2) | 918 / 85.28 | 976 / 90.71 | 977 / 90.80 |
Evaporative Heating Surface/Cylinder Volume | 179.30 | 190.62 | 190.82 |
Computations Relating to Power Output (More Information) | |||
Robert LeMassena's Power Computation | 1778 | 1960 | 1848 |
Same as above plus superheater percentage | 1778 | 1960 | 1848 |
Same as above but substitute firebox area for grate area | 13,720 | 12,652 | 12,586 |
Power L1 | 3625 | 3677 | 3673 |
Power MT | 326.19 | 289.00 | 289.20 |