User:Ozsteamtrain/Sandbox
| Cost comparison Steam versus diesel, 1946 NYC road trials Running from New York to Chicago (928 miles or 1,493 kms) Note: dollar figures quoted in 1946 US dollars. To get 2007 US dollar figures, multiply by 10.66 | ||||||
| Steam S-1 'Niagara' (six locomotives) |
Diesel E7 4,000 bhp two unit (six locomotives) |
Diesel E7 6,000 bhp Three Unit (estimated by New York Central) | ||||
| Approximate Relative First Costs (as at December, 1946) |
100% | 147% | 214% | |||
| Total Draw Bar Horse Power | 6,000 hp | 3,320 dbhp | 4,980 dbhp | |||
| Relative First Cost, in Dollars Per Horsepower |
100% | 265% | 258% | |||
| Total Annual Mileage per locomotive | 288,000 (310 trips per annum) |
324,000 (349 trips per annum) |
324,000 (349 trips per annum) | |||
| COST PER LOCOMOTIVE | Actual | As percentage of total |
Actual | As percentage of total |
Estimated (by New York Central) |
As percentage of total |
| Repairs | $102,528 | 31.48% | $114,048 | 35.6% | $162,000 | 38.4% |
| Fuel | $118,080 | 36.26% | $90,720 | 28.3% | $136,080 | 32.3% |
| Water | $8,928 | 2.74% | $1,296 | 0.4% | $1,620 | 0.4% |
| Lubrication | $3,168 | 0.97% | $9,720 | 3.0% | $14,580 | 3.5% |
| Other Supplies | $1,440 | 0.44% | $648 | 3.0% | $648 | 0.2% |
| Enginehouse Expense | $28,800 | 8.84% | $32,400 | 10.1% | $32,400 | 7.7% |
| Crew Wages (Two men) | $55,987 | 17.19% | $64,120 | 20.0% | $66,290 | 15.7% |
| Vacation Allowance (3%) | $1,670 | 0.51% | $1,912 | 0.6% | $1,976 | 0.5% |
| Social Security & Unemployment Tax (8.75%) | $5,040 | 1.55% | $5,767 | 1.8% | $5,962 | 1.4% |
| Total Cost Per Mile (Operating) | $1.1307 | $0.9896 | $1.3011 | |||
| Total Annual Operating Cost | $325,642 | $320,630 | $421,556 | |||
| Fixed Charges (Interest, depreciation, insurance) |
$24,453 | $38,841 | $56,640 | |||
| Total Annual Cost Per Locomotive | $350,095 | $359,471 | $478,196 | |||
| Total Annual Cost Per Mile Per Locomotive | $1.22 | $1.11 | $1.48 | |||
| Total Annual Cost Per Locomotive Drawbar Horsepower | $58.35 | $108.27 | $96.02 | |||