Operational Considerations for the Blackhawk and Central City

• History of the B&CC
• Introduction
• Engine Hauling Capacity
• Engine Speed
• Operating Range
• Car Weights
• Link and Pin

The hauling capacity of an engine is determined by

• the tractive force (T_f) of the engine,
• the resistance of gravity (G) found by multipling 20 lbs/ton multiplied by the ruling grade in percent. For the B&CC the ruling grade is 4.5% for a total of 90 lbs/ton
• the rolling friction (R_f) - taken to be 20 lbs/ton
• the weight of the engine in tons (E)

The formula used is T_f÷(G+R_f)-E. For an 0-4-0T, this works out to 10080÷(90+20)-23.5 = 68 tons. For an 0-6-0T, the calculation is 10680÷(90+20)-25.5 = 71 tons.